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11 years agoserial: vt8500: UART uses gated clock rather than 24Mhz reference
Tony Prisk [Fri, 18 Jan 2013 02:05:31 +0000 (15:05 +1300)]
serial: vt8500: UART uses gated clock rather than 24Mhz reference

UART modules on Wondermedia SoCs are connected via a gated clock
source, rather than directly to the 24Mhz reference clock. While
uboot enables UART0 for debugging, other UART ports are unavailable
until the clock is enabled.

This patch checks that a valid clock is actually passed from devicetree,
enables the clock in probe. This change removes the fallback when a
clock was not specified as it doesn't apply any longer (and would only
work if the UART clock was already enabled).

DTSI files are updated for VT8500, WM8505 and WM8650.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: tegra: Switch to using struct tty_port
Thierry Reding [Thu, 17 Jan 2013 13:31:45 +0000 (14:31 +0100)]
serial: tegra: Switch to using struct tty_port

Many of the tty functions were converted to use a struct tty_port
instead of a struct tty_struct. Update the Tegra driver accordingly to
avoid build breakage.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: imx: Remove unused 'tty' variable
Fabio Estevam [Thu, 17 Jan 2013 12:45:13 +0000 (10:45 -0200)]
serial: imx: Remove unused 'tty' variable

Commit 2e124b4a39 (TTY: switch tty_flip_buffer_push) introduced the following
build warning:

drivers/tty/serial/imx.c:519:21: warning: unused variable 'tty' [-Wunused-variable]

Remove the unused 'tty' variable.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: pxa: Do not tweak clock in pxa serial write() function
Haojun Bao [Thu, 17 Jan 2013 08:01:51 +0000 (00:01 -0800)]
serial: pxa: Do not tweak clock in pxa serial write() function

The write() function could be used by printk(), which is atomic and
tweaking clock there can cause "BUG: sleeping function called from
invalid context".

Signed-off-by: Bao Haojun <hjbao@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: sccnxp: Fix possible crash if no platform data supplied
Alexander Shiyan [Thu, 17 Jan 2013 14:34:45 +0000 (18:34 +0400)]
serial: sccnxp: Fix possible crash if no platform data supplied

This patch fix possible kernel crash if no platform data supplied.
We should not use platform data in this case, instead we will use
default values from private driver structure.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: rp2: New driver for Comtrol RocketPort 2 cards
Kevin Cernekee [Thu, 17 Jan 2013 04:28:40 +0000 (20:28 -0800)]
serial: rp2: New driver for Comtrol RocketPort 2 cards

This driver supports the RocketPort EXPRESS and RocketPort INFINITY
families of PCI/PCIe multiport serial adapters.  These adapters use a
"RocketPort 2" ASIC that is not compatible with the original RocketPort
driver (CONFIG_ROCKETPORT).

Tested with the RocketPort EXPRESS Octa DB9 and Quad DB9.  Also added an
old RocketPort 8J PCI card to the same system to verify that rocket.c and
rp2.c coexist peacefully.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: rocket: Explicitly list supported PCI IDs
Kevin Cernekee [Thu, 17 Jan 2013 04:28:39 +0000 (20:28 -0800)]
tty: rocket: Explicitly list supported PCI IDs

Matching PCI_ANY_ID causes conflicts with RocketPort 2 adapters, which
are supported by a different driver.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: vt8500: ioremap'd resource is never freed
Tony Prisk [Wed, 16 Jan 2013 19:05:41 +0000 (08:05 +1300)]
serial: vt8500: ioremap'd resource is never freed

Memory mapped via ioremap call is never released. Rather than add an
iounmap call, change allocation function to devm_request_and_ioremap.

Also, change the error on failure for this call to -EADDRNOTAVAIL rather than
-ENOMEM.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: vt8500: Fix range-checking on vt8500_uart_ports
Tony Prisk [Wed, 16 Jan 2013 19:05:40 +0000 (08:05 +1300)]
serial: vt8500: Fix range-checking on vt8500_uart_ports

Fix two instances where the index to vt8500_uart_ports is tested
against > VT8500_MAX_PORTS. Correct usage should be >= VT8500_MAX_PORTS.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: serial/crisv10.c: remove unnecessary null pointer check
Cong Ding [Wed, 16 Jan 2013 22:30:44 +0000 (23:30 +0100)]
tty: serial/crisv10.c: remove unnecessary null pointer check

The pointer tty is dereferened in line 3135, so it is not necessary to check
null again in line 3140.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: serial/68328serial.c: remove unnecessary null pointer check
Cong Ding [Wed, 16 Jan 2013 22:30:43 +0000 (23:30 +0100)]
tty: serial/68328serial.c: remove unnecessary null pointer check

The pointer info is dereferened in line 1009, so it is not necessary to check
null again in line 1012.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoOMAP/serial: Support 1Mbaud and similar baudrates that require Mode16 instead of...
Alexey Pelykh [Wed, 16 Jan 2013 10:08:06 +0000 (05:08 -0500)]
OMAP/serial: Support 1Mbaud and similar baudrates that require Mode16 instead of Mode13

Original table in OMAP TRM named "UART Mode Baud Rates, Divisor
Values, and Error Rates" determines modes not for all common baud
rates. E.g. for 1000000 baud rate mode should be 16x, but according to
that table it's determined as 13x. According to current implementation
of mode divisor selection, after requesting 1000000 baudrate from
driver, later one will configure chip to use MODE13 divisor. Assuming
48Mhz as common UART clock speed, MODE13 divisor will effectively give
1230769 baudrate, what is quite far from desired 1000000 baudrate.
While with MODE16 divisor, chip will produce exact 1000000 baudrate.
In old driver that served UART devices (8250.c and serial_core.c) this
divisor could have been configured by user-space program, but in
omap_serial.c driver implementation this ability was not implemented
(afaik, by design) thus disallowing proper usage of MODE16-compatible
baudrates.

Signed-off-by: Alexey Pelykh <alexey.pelykh@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial/arc-uart: Fix section mistmatch
Vineet Gupta [Wed, 16 Jan 2013 08:17:23 +0000 (13:47 +0530)]
serial/arc-uart: Fix section mistmatch

Commit "serial/arc-uart: split probe from probe_earlyprintk" introduced
a build time warning:

"WARNING: vmlinux.o(.data+0x5baa0): Section mismatch in reference from
the variable early_arc_platform_driver to the function
.init.text:arc_serial_probe_earlyprintk()"

While at it - fixed another incorrectly placed initdata annotation.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: fengguang.wu@intel.com
Cc: linux-serial@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: sirf: only use lookup table to set baudrate when ioclk=150MHz
Barry Song [Wed, 16 Jan 2013 06:49:27 +0000 (14:49 +0800)]
serial: sirf: only use lookup table to set baudrate when ioclk=150MHz

The fast lookup table to set baudrate is only right when ioclk
is 150MHz. for most platforms, ioclk is 150MHz, but some boards
might set ioclk to other frequency.

so re-calc the clk_div_reg when ioclk is not 150MHz. this patch
also gets clk in probe and puts it in remove.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoStaging: sb105x: mark it BROKEN
Greg Kroah-Hartman [Wed, 16 Jan 2013 15:38:04 +0000 (07:38 -0800)]
Staging: sb105x: mark it BROKEN

It isn't using the port logic, and breaks the build at the moment, so
mark it BROKEN.

Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: mn10300-serial, fix build breakage
Jiri Slaby [Wed, 16 Jan 2013 13:45:07 +0000 (14:45 +0100)]
TTY: mn10300-serial, fix build breakage

By the recent `switch flipping' patches we introduced a build failure
in the driver:
mn10300-serial.c:527:19: error: 'port' redeclared as different kind of symbol

I did not notice because I did not even find a compiler for that new
architecture. Hopefully everything is all right now as I cannot test
it.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: ip22zilog, fix tty_flip_buffer_push call
Jiri Slaby [Wed, 16 Jan 2013 13:45:06 +0000 (14:45 +0100)]
TTY: ip22zilog, fix tty_flip_buffer_push call

This one was omitted by the "TTY: switch tty_flip_buffer_push" patch
because I did not compile-test mips driver. Now I do.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Set maxburst size
Heikki Krogerus [Wed, 16 Jan 2013 12:08:16 +0000 (14:08 +0200)]
serial: 8250_dw: Set maxburst size

The default burst is often 1 byte which is not very optimal.
The ideal burst size when using 16550A type port would be
1/2 of fifosize, but this does not work with all Designware
implementations. Setting it to 1/4 fifosize.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Use ifdef with ACPI
Heikki Krogerus [Wed, 16 Jan 2013 12:08:15 +0000 (14:08 +0200)]
serial: 8250_dw: Use ifdef with ACPI

There are no stubs for ACPI functions so the driver needs to
have this ifdef or it will not compile without ACPI.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dma: TX optimisation
Heikki Krogerus [Wed, 16 Jan 2013 12:08:14 +0000 (14:08 +0200)]
serial: 8250_dma: TX optimisation

Remove one useless wakeup, and do not use DMA with zero byte
transfers.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dma: Switch to using tty_port
Heikki Krogerus [Wed, 16 Jan 2013 12:08:13 +0000 (14:08 +0200)]
serial: 8250_dma: Switch to using tty_port

The tty buffer functions are converted to using tty_port
structure instead of struct tty, so we must do the same.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: don't deadlock while flushing workqueue
Sebastian Andrzej Siewior [Tue, 25 Dec 2012 22:02:48 +0000 (23:02 +0100)]
tty: don't deadlock while flushing workqueue

Since commit 89c8d91e31f2 ("tty: localise the lock") I see a dead lock
in one of my dummy_hcd + g_nokia test cases. The first run was usually
okay, the second often resulted in a splat by lockdep and the third was
usually a dead lock.
Lockdep complained about tty->hangup_work and tty->legacy_mutex taken
both ways:
| ======================================================
| [ INFO: possible circular locking dependency detected ]
| 3.7.0-rc6+ #204 Not tainted
| -------------------------------------------------------
| kworker/2:1/35 is trying to acquire lock:
|  (&tty->legacy_mutex){+.+.+.}, at: [<c14051e6>] tty_lock_nested+0x36/0x80
|
| but task is already holding lock:
|  ((&tty->hangup_work)){+.+...}, at: [<c104f6e4>] process_one_work+0x124/0x5e0
|
| which lock already depends on the new lock.
|
| the existing dependency chain (in reverse order) is:
|
| -> #2 ((&tty->hangup_work)){+.+...}:
|        [<c107fe74>] lock_acquire+0x84/0x190
|        [<c104d82d>] flush_work+0x3d/0x240
|        [<c12e6986>] tty_ldisc_flush_works+0x16/0x30
|        [<c12e7861>] tty_ldisc_release+0x21/0x70
|        [<c12e0dfc>] tty_release+0x35c/0x470
|        [<c1105e28>] __fput+0xd8/0x270
|        [<c1105fcd>] ____fput+0xd/0x10
|        [<c1051dd9>] task_work_run+0xb9/0xf0
|        [<c1002a51>] do_notify_resume+0x51/0x80
|        [<c140550a>] work_notifysig+0x35/0x3b
|
| -> #1 (&tty->legacy_mutex/1){+.+...}:
|        [<c107fe74>] lock_acquire+0x84/0x190
|        [<c140276c>] mutex_lock_nested+0x6c/0x2f0
|        [<c14051e6>] tty_lock_nested+0x36/0x80
|        [<c1405279>] tty_lock_pair+0x29/0x70
|        [<c12e0bb8>] tty_release+0x118/0x470
|        [<c1105e28>] __fput+0xd8/0x270
|        [<c1105fcd>] ____fput+0xd/0x10
|        [<c1051dd9>] task_work_run+0xb9/0xf0
|        [<c1002a51>] do_notify_resume+0x51/0x80
|        [<c140550a>] work_notifysig+0x35/0x3b
|
| -> #0 (&tty->legacy_mutex){+.+.+.}:
|        [<c107f3c9>] __lock_acquire+0x1189/0x16a0
|        [<c107fe74>] lock_acquire+0x84/0x190
|        [<c140276c>] mutex_lock_nested+0x6c/0x2f0
|        [<c14051e6>] tty_lock_nested+0x36/0x80
|        [<c140523f>] tty_lock+0xf/0x20
|        [<c12df8e4>] __tty_hangup+0x54/0x410
|        [<c12dfcb2>] do_tty_hangup+0x12/0x20
|        [<c104f763>] process_one_work+0x1a3/0x5e0
|        [<c104fec9>] worker_thread+0x119/0x3a0
|        [<c1055084>] kthread+0x94/0xa0
|        [<c140ca37>] ret_from_kernel_thread+0x1b/0x28
|
|other info that might help us debug this:
|
|Chain exists of:
|  &tty->legacy_mutex --> &tty->legacy_mutex/1 --> (&tty->hangup_work)
|
| Possible unsafe locking scenario:
|
|       CPU0                    CPU1
|       ----                    ----
|  lock((&tty->hangup_work));
|                               lock(&tty->legacy_mutex/1);
|                               lock((&tty->hangup_work));
|  lock(&tty->legacy_mutex);
|
| *** DEADLOCK ***

Before the path mentioned tty_ldisc_release() look like this:

| tty_ldisc_halt(tty);
| tty_ldisc_flush_works(tty);
| tty_lock();

As it can be seen, it first flushes the workqueue and then grabs the
tty_lock. Now we grab the lock first:

| tty_lock_pair(tty, o_tty);
| tty_ldisc_halt(tty);
| tty_ldisc_flush_works(tty);

so lockdep's complaint seems valid.

The earlier version of this patch took the ldisc_mutex since the other
user of tty_ldisc_flush_works() (tty_set_ldisc()) did this.
Peter Hurley then said that it is should not be requried. Since it
wasn't done earlier, I dropped this part.
The code under tty_ldisc_kill() was executed earlier with the tty lock
taken so it is taken again.

I was able to reproduce the deadlock on v3.8-rc1, this patch fixes the
problem in my testcase. I didn't notice any problems so far.

Cc: Alan Cox <alan@linux.intel.com>
Cc: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Enable DMA support with ACPI
Heikki Krogerus [Thu, 10 Jan 2013 09:25:12 +0000 (11:25 +0200)]
serial: 8250_dw: Enable DMA support with ACPI

With ACPI 5.0 we can use the FixedDMA Resource Descriptor to
extract the needed information for DMA support.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250: Add support for dmaengine
Heikki Krogerus [Thu, 10 Jan 2013 09:25:11 +0000 (11:25 +0200)]
serial: 8250: Add support for dmaengine

Add support for dmaengine API. The drivers can implement the
struct uart_8250_dma member in struct uart_8250_port and
8250.c can take care of the rest.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Add ACPI 5.0 support
Heikki Krogerus [Thu, 10 Jan 2013 09:25:10 +0000 (11:25 +0200)]
serial: 8250_dw: Add ACPI 5.0 support

This adds support for ACPI 5.0 enumerated Designware UARTs.
ACPI does not deliver information about uart clk, so
delivering it with the driver_data.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Set FIFO size dynamically
Heikki Krogerus [Thu, 10 Jan 2013 09:25:09 +0000 (11:25 +0200)]
serial: 8250_dw: Set FIFO size dynamically

Designware UART provides optional Component Parameter
Register that lists most of the capabilities of the UART,
including FIFO size. This uses that register to set FIFO
size for the port before registering it.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Move device tree code to separate function
Heikki Krogerus [Thu, 10 Jan 2013 09:25:08 +0000 (11:25 +0200)]
serial: 8250_dw: Move device tree code to separate function

Trivial cleanup. This makes it easier to add different
methods to enumerate the device, for example ACPI 5.0
enumeration.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Map IO memory
Heikki Krogerus [Thu, 10 Jan 2013 09:25:07 +0000 (11:25 +0200)]
serial: 8250_dw: Map IO memory

This needs to be done in order to later access the
Designware specific registers.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_dw: Don't use UPF_FIXED_TYPE
Heikki Krogerus [Thu, 10 Jan 2013 09:25:06 +0000 (11:25 +0200)]
serial: 8250_dw: Don't use UPF_FIXED_TYPE

Allow 8250.c to determine the port type for us. This allows
the driver take advantage of FIFO on Designware UARTs that
have it.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250: Allow drivers to deliver capabilities
Heikki Krogerus [Thu, 10 Jan 2013 09:25:05 +0000 (11:25 +0200)]
serial: 8250: Allow drivers to deliver capabilities

Modern UARTs are able to provide information about their
capabilities such as FIFO size. This allows the drivers to
deliver this information to 8250.c when they are registering
ports.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: Only wakeup the line discipline idle queue when queue is active
Ivo Sieben [Tue, 18 Dec 2012 14:48:50 +0000 (15:48 +0100)]
tty: Only wakeup the line discipline idle queue when queue is active

Before waking up the tty line discipline idle queue first check if the queue is
active (non empty). This prevents unnecessary entering the critical section in
the wake_up() function and therefore avoid needless scheduling overhead on a
PREEMPT_RT system caused by two processes being in the same critical section.

Signed-off-by: Ivo Sieben <meltedpianoman@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agodrivers/tty/serial: extern function which for release resource, need check pointer...
Chen Gang [Thu, 27 Dec 2012 07:51:31 +0000 (15:51 +0800)]
drivers/tty/serial: extern function which for release resource, need check pointer, before free it

  for extern function uart_remove_one_port:
    need check pointer whether be NULL, before the main work.
    just like what the other extern function uart_add_one_port has done.
    uart_add_one_port and uart_remove_one_port are pair

  information:
    for the callers (such as drivers/tty/serial/jsm: jsm_tty.c, jsm_driver.c)
    they realy assume that:
      they still can call uart_remove_one_port, after uart_add_one_port failed
    we (as an extern function), have to understand it (just like kfree).

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: hvsi: use for_each_compatible_node() macro
Wei Yongjun [Tue, 4 Dec 2012 05:16:18 +0000 (00:16 -0500)]
TTY: hvsi: use for_each_compatible_node() macro

Use for_each_compatible_node() macro instead of open coding it.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: sccnxp: Rename header file to match functionality
Alexander Shiyan [Mon, 3 Dec 2012 18:23:32 +0000 (22:23 +0400)]
serial: sccnxp: Rename header file to match functionality

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: sccnxp: Implement polling mode
Alexander Shiyan [Mon, 3 Dec 2012 18:23:31 +0000 (22:23 +0400)]
serial: sccnxp: Implement polling mode

This patch adds support for polling work mode, i.e. system is perform
periodical check chip status when IRQ-line is not connected to CPU.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: mcf: Add support RS485 in ColdFire serial driver
Quoc-Viet Nguyen [Mon, 14 Jan 2013 23:32:53 +0000 (09:32 +1000)]
serial: mcf: Add support RS485 in ColdFire serial driver

Signed-off-by: Quoc-Viet Nguyen <afelion@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: do not reset master's packet mode
Jiri Slaby [Tue, 15 Jan 2013 22:26:22 +0000 (23:26 +0100)]
TTY: do not reset master's packet mode

Now that login from util-linux is forced to drop all references to a
TTY which it wants to hangup (to reach reference count 1) we are
seeing issues with telnet. When login closes its last reference to the
slave PTY, it also resets packet mode on the *master* side. And we
have a race here.

What telnet does is fork+exec of `login'. Then there are two
scenarios:
* `login' closes the slave TTY and resets thus master's packet mode,
  but even now telnet properly sets the mode, or
* `telnetd' sets packet mode on the master, `login' closes the slave
  TTY and resets master's packet mode.

The former case is OK. However the latter happens in much more cases,
by the order of magnitude to be precise. So when one tries to login to
such a messed telnet setup, they see the following:
inux login:
            ogin incorrect

Note the missing first letters -- telnet thinks it is still in the
packet mode, so when it receives "linux login" from `login', it
considers "l" as the type of the packet and strips it.

SuS does not mention how the implementation should behave. Both BSDs I
checked (Free and Net) do not reset the flag upon the last close.

By this I am resurrecting an old bug, see References. We are hitting
it regularly now, i.e. with updated util-linux, ergo login.

Here, I am changing a behavior introduced back in 2.1 times. It would
better have a long time testing before goes upstream.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Bryan Mason <bmason@redhat.com>
References: https://lkml.org/lkml/2009/11/11/223
References: https://bugzilla.redhat.com/show_bug.cgi?id=504703
References: https://bugzilla.novell.com/show_bug.cgi?id=797042
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: add parenthesis to macro POLL_PERIOD in rocket.c
Cong Ding [Sat, 12 Jan 2013 04:42:07 +0000 (05:42 +0100)]
tty: add parenthesis to macro POLL_PERIOD in rocket.c

Macros should be enclosed in parenthesis

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: cleanup checkpatch warning in pty.c
Cong Ding [Sat, 12 Jan 2013 04:01:22 +0000 (05:01 +0100)]
tty: cleanup checkpatch warning in pty.c

spaces are used for indent in 3 places of tty/pty.c, we change it to tab.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: cleanup the panic message
Cong Ding [Sat, 12 Jan 2013 04:01:21 +0000 (05:01 +0100)]
tty: cleanup the panic message

the "\n" in panic message is excess, so we remove it in tty/pty.c as what it
is used in other places.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoRevert "n_gsm.c: add tx_lock in gsm_send"
Greg Kroah-Hartman [Wed, 16 Jan 2013 06:48:15 +0000 (22:48 -0800)]
Revert "n_gsm.c: add tx_lock in gsm_send"

This reverts commit f96f7f7f39af53274d98aa9c29d6fa4d122218a4, at the
request of Jin.

Cc: xiaojin <jin.xiao@intel.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: 8250_pci: remove __devexit usage
Greg Kroah-Hartman [Wed, 16 Jan 2013 06:44:48 +0000 (22:44 -0800)]
serial: 8250_pci: remove __devexit usage

Some __devexit markings came in from an older patch, this removes them.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: nozomi, remove dead code
Jiri Slaby [Thu, 3 Jan 2013 14:53:40 +0000 (15:53 +0100)]
TTY: nozomi, remove dead code

We test for !dc twice, remove the second test. Coverity found this.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: synclink, remove unneeded tests
Jiri Slaby [Thu, 3 Jan 2013 14:53:09 +0000 (15:53 +0100)]
TTY: synclink, remove unneeded tests

info in synclink bottom-halves cannot be NULL because it is taken from
work_struct using container_of. Remove the tests.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agocyclades: push down tty_port_tty_get
Jiri Slaby [Thu, 3 Jan 2013 14:53:08 +0000 (15:53 +0100)]
cyclades: push down tty_port_tty_get

Now, the tty is not needed at all places in the ISR. So we can just
request in on demand when really needed.

This cleans TX and RX paths a bit as the indentation level can be
dropped by two now when we also invert the char_count if condition.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: switch tty_schedule_flip
Jiri Slaby [Thu, 3 Jan 2013 14:53:07 +0000 (15:53 +0100)]
TTY: switch tty_schedule_flip

Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.

This is the last one: tty_schedule_flip

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: switch tty_flip_buffer_push
Jiri Slaby [Thu, 3 Jan 2013 14:53:06 +0000 (15:53 +0100)]
TTY: switch tty_flip_buffer_push

Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.

Now, the one where most of tty_port_tty_get gets removed:
tty_flip_buffer_push.

IOW we also closed all the races in drivers not using tty_port_tty_get
at all yet.

Also we move tty_flip_buffer_push declaration from include/linux/tty.h
to include/linux/tty_flip.h to all others while we are changing it
anyway.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: move low_latency to tty_port
Jiri Slaby [Thu, 3 Jan 2013 14:53:05 +0000 (15:53 +0100)]
TTY: move low_latency to tty_port

One point is to have less places where we actually need tty pointer.
The other is that low_latency is bound to buffer processing and
buffers are now in tty_port. So it makes sense to move low_latency to
tty_port too.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: switch tty_insert_flip_string
Jiri Slaby [Thu, 3 Jan 2013 14:53:04 +0000 (15:53 +0100)]
TTY: switch tty_insert_flip_string

Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.

tty_insert_flip_string this time.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: switch tty_insert_flip_char
Jiri Slaby [Thu, 3 Jan 2013 14:53:03 +0000 (15:53 +0100)]
TTY: switch tty_insert_flip_char

Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty in many
call sites. Only tty_port will needed and hence no more
tty_port_tty_get in those paths.

tty_insert_flip_char is the next one to proceed. This one is used all
over the code, so the patch is huge.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: convert more flipping functions
Jiri Slaby [Thu, 3 Jan 2013 14:53:02 +0000 (15:53 +0100)]
TTY: convert more flipping functions

Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty pointer in
many call sites. Only tty_port will be needed and hence no more
tty_port_tty_get calls in those paths.

Now 4 string flipping ones are on turn:
* tty_insert_flip_string_flags
* tty_insert_flip_string_fixed_flag
* tty_prepare_flip_string
* tty_prepare_flip_string_flags

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoTTY: switch tty_buffer_request_room to tty_port
Jiri Slaby [Thu, 3 Jan 2013 14:53:01 +0000 (15:53 +0100)]
TTY: switch tty_buffer_request_room to tty_port

Now, we start converting tty buffer functions to actually use
tty_port. This will allow us to get rid of the need of tty pointer in
many call sites. Only tty_port will be needed and hence no more
tty_port_tty_get calls in those paths.

Here we start with tty_buffer_request_room.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial/arc-uart: switch to devicetree based probing
Vineet Gupta [Fri, 11 Jan 2013 06:20:23 +0000 (11:50 +0530)]
serial/arc-uart: switch to devicetree based probing

* DT binding for arc-uart
* With alll the bits in place we can now use DT probing.

Note that there's a bit of kludge right now because earlyprintk portion
of driver can't use the DT infrastrcuture to get resoures/plat_data.
This requires some infrastructre changes to of_flat_ framework

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@linux.intel.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial/arc-uart: platform_data order changed
Vineet Gupta [Fri, 11 Jan 2013 06:20:22 +0000 (11:50 +0530)]
serial/arc-uart: platform_data order changed

* is_emulated is now 1st element, rather than last
* also tucked all platform data refs together

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial/arc-uart: split probe from probe_earlyprintk
Vineet Gupta [Fri, 11 Jan 2013 06:20:21 +0000 (11:50 +0530)]
serial/arc-uart: split probe from probe_earlyprintk

This is in preparation for devicetree based probing, where earlyprintk
won't have access to DT serial aliases which the normal probe would
absolutely rely on.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial/arc-uart: Don't index with -ve platform_device->id
Vineet Gupta [Fri, 11 Jan 2013 06:20:20 +0000 (11:50 +0530)]
serial/arc-uart: Don't index with -ve platform_device->id

probe routine could index into port[] with -ve index. The check in
arc_uart_init_one() was too late.

This came to light when trying to port driver to CONFIG_OF, where
bydefault of-core code sets -ve platform dev id and in absence of
DT serial aliases, driver would use the -ve index.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: tegra: add serial driver
Laxman Dewangan [Tue, 8 Jan 2013 10:57:44 +0000 (16:27 +0530)]
serial: tegra: add serial driver

NVIDIA's Tegra has multiple UART controller which supports:
- APB DMA based controller fifo read/write.
- End Of Data interrupt in incoming data to know whether end
  of frame achieve or not.
- HW controlled RTS and CTS flow control to reduce SW overhead.

Add serial driver to use all above feature.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: imx: Use devm_* APIs
Sachin Kamat [Mon, 7 Jan 2013 04:55:06 +0000 (10:25 +0530)]
serial: imx: Use devm_* APIs

devm_* APIs are device managed and make cleanup and exit code simpler
and easier.

Cc: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: imx: Use pr_info instead of printk
Sachin Kamat [Mon, 7 Jan 2013 04:55:05 +0000 (10:25 +0530)]
serial: imx: Use pr_info instead of printk

Silences checkpatch warnings.

Cc: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: imx: Fix coding style issue
Sachin Kamat [Mon, 7 Jan 2013 04:55:04 +0000 (10:25 +0530)]
serial: imx: Fix coding style issue

Silences the following checkpatch error:
ERROR: that open brace { should be on the previous line

Cc: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: imx: Use <linux/io.h> instead of <asm/io.h>
Sachin Kamat [Mon, 7 Jan 2013 04:55:03 +0000 (10:25 +0530)]
serial: imx: Use <linux/io.h> instead of <asm/io.h>

Silences the following checkpatch warning:
WARNING: Use #include <linux/io.h> instead of <asm/io.h>

Cc: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: imx: Fix checkpatch errors related to spacing
Sachin Kamat [Mon, 7 Jan 2013 04:55:02 +0000 (10:25 +0530)]
serial: imx: Fix checkpatch errors related to spacing

Fixed checkpatch errors and warnings related to incorrect spacing.

Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: Samsung: Use of_match_ptr() macro
Sachin Kamat [Mon, 7 Jan 2013 04:20:42 +0000 (09:50 +0530)]
serial: Samsung: Use of_match_ptr() macro

This eliminates having an #ifdef returning NULL for the case
when OF is disabled.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: samsung: remove the use of statically remapped controller address
Thomas Abraham [Tue, 1 Jan 2013 08:21:55 +0000 (00:21 -0800)]
serial: samsung: remove the use of statically remapped controller address

The address S3C_VA_UART is a statically ioremapped address. The driver
should not be using this. Instead, the driver should setup a mapping
during probe.

Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: mxs-auart: Fix typo in sanity check
Thomas Jarosch [Fri, 28 Dec 2012 23:16:33 +0000 (00:16 +0100)]
serial: mxs-auart: Fix typo in sanity check

Detected by cppcheck:
[others/linux/drivers/tty/serial/mxs-auart.c:553]: (style) Same expression on both sides of '||'.

Signed-off-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: Update serial core API documentation
Kevin Cernekee [Thu, 27 Dec 2012 04:43:42 +0000 (20:43 -0800)]
tty: Update serial core API documentation

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: Fix comments that reference BKL, eventd, old paths
Kevin Cernekee [Thu, 27 Dec 2012 04:43:41 +0000 (20:43 -0800)]
tty: Fix comments that reference BKL, eventd, old paths

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: Remove RM9000 series serial driver.
Ralf Baechle [Tue, 18 Dec 2012 10:41:14 +0000 (11:41 +0100)]
serial: Remove RM9000 series serial driver.

Now that support for RM9000 and platforms based on it has been removed,
remove the serial driver for it as well.  It's really only been a quirk
for an almost 8250 compatible UART anyway.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 drivers/tty/serial/8250/8250.c  | 70 +----------------------------------------
 drivers/tty/serial/8250/Kconfig |  9 ------
 include/linux/serial_core.h     |  1 -
 3 files changed, 1 insertion(+), 79 deletions(-)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: avoid double free after call ioc4_serial_remove_one
Chen Gang [Wed, 26 Dec 2012 10:06:39 +0000 (18:06 +0800)]
serial: avoid double free after call ioc4_serial_remove_one

  before goto out5,  soft, control, serial are all assigned to idd
  after finish call ioc4_serial_remove_one, all resources are released
  we need return instead of go on, or double free

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agon_gsm.c: add tx_lock in gsm_send
xiaojin [Wed, 19 Dec 2012 03:53:43 +0000 (11:53 +0800)]
n_gsm.c: add tx_lock in gsm_send

All the call to gsm->output should be in the tx_lock,
that could avoid potential race from MUX level. But
we have no tx_lock in gsm_send.

This patch is to add tx_lock in gsm_send.

Signed-off-by: xiaojin <jin.xiao@intel.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: sirf: add support for new SiRFmarco SMP SoC
Barry Song [Tue, 25 Dec 2012 09:32:04 +0000 (17:32 +0800)]
serial: sirf: add support for new SiRFmarco SMP SoC

CSR SiRFmarco's UART IP is same with SiRFprimaII except that
it has two more uart ports.
this patch makes the old driver support new SiRFmarco as well:
1. add .compatible = "sirf,marco-uart" to OF match table
2. add two ports in the port table
3. take spin_lock in isr to avoid the conflict of threads opening
uart on CPU1 and isr running on CPU0.
For 3, we did see some problems on SiRFmarco as SiRFmarco is a
SMP SoC but the old SiRFprimaII is UP.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: vt/Makefile: set the variables to static
Cong Ding [Sat, 8 Dec 2012 01:09:03 +0000 (01:09 +0000)]
tty: vt/Makefile: set the variables to static

tty: vt/Makefile: set the variables to static

In the file drivers/tty/vt/defkeymap.c generated by command
loadkeys --mktable defkeymap.map > defkeymap.c
the 6 variables: shift_map, altgr_map, ctrl_map, shift_ctrl_map, alt_map,
and ctrl_alt_map should be static because they are used only in this file.
There is no reason to remove the static by sed command.

Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agotty: serial core: decouple pm states from ACPI
Linus Walleij [Fri, 7 Dec 2012 10:36:08 +0000 (11:36 +0100)]
tty: serial core: decouple pm states from ACPI

The serial core is using power states lifted from ACPI for no
good reason. Remove this reference from the documentation and
alter all users to use an enum specific to the serial core
instead, and define it in <linux/serial_core.h>.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Alan Cox <alan@linux.intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: omap: add the functionality of a 9-bit UART with userspaces CMSPAR
Enric Balletbo i Serra [Thu, 6 Dec 2012 08:45:04 +0000 (09:45 +0100)]
serial: omap: add the functionality of a 9-bit UART with userspaces CMSPAR

Some systems require the additional communication functionality of a
9-bit UART. For that we could use the "stick" (mark/space) parity
bit supported on omap serial device. When is set, if PARODD is set the
parity bit is always 1; if PARODD is not set, then the parity bit is
always 0.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agosynclink fix ldisc buffer argument
Paul Fulghum [Mon, 3 Dec 2012 17:13:24 +0000 (11:13 -0600)]
synclink fix ldisc buffer argument

Fix call to line discipline receive_buf by synclink drivers.
Dummy flag buffer argument is ignored by N_HDLC line discipline but might
be of insufficient size if accessed by a different line discipline
selected by mistake. flag buffer allocation now matches max size of data
buffer. Unused char_buf buffers are removed.

Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoserial: quatech: add the other serial identifiers and preliminary control code
Alan Cox [Wed, 28 Nov 2012 22:33:00 +0000 (09:03 +1030)]
serial: quatech: add the other serial identifiers and preliminary control code

Jonathan Woithe posted an out of tree enabler/control module for these
cards.  Lift the relevant identifiers and put them in the 8250_pci driver
along with code used to control custom registers on these cards.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
11 years agoLinux 3.8-rc3 v3.8-rc3
Linus Torvalds [Thu, 10 Jan 2013 02:59:55 +0000 (18:59 -0800)]
Linux 3.8-rc3

11 years agoMerge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Linus Torvalds [Wed, 9 Jan 2013 16:58:57 +0000 (08:58 -0800)]
Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm

Pull ARM fixes from Russell King.

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7616/1: cache-l2x0: aurora: Use writel_relaxed instead of writel
  ARM: 7615/1: cache-l2x0: aurora: Invalidate during clean operation with WT enable
  ARM: 7614/1: mm: fix wrong branch from Cortex-A9 to PJ4b
  ARM: 7612/1: imx: Do not select some errata that depends on !ARCH_MULTIPLATFORM
  ARM: 7611/1: VIC: fix bug in VIC irqdomain code
  ARM: 7610/1: versatile: bump IRQ numbers
  ARM: 7609/1: disable errata work-arounds which access secure registers
  ARM: 7608/1: l2x0: Only set .set_debug on PL310 r3p0 and earlier

11 years agoMerge tag 'edac_fixes_for_3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Linus Torvalds [Wed, 9 Jan 2013 16:43:56 +0000 (08:43 -0800)]
Merge tag 'edac_fixes_for_3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC fixes from Borislav Petkov:
 "Two error path fixes causing a crash and a Kconfig fix for an issue
  which spilled all EDAC suboptions into the 'Device Drivers' menu."

* tag 'edac_fixes_for_3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC: Cleanup device deregistering path
  EDAC: Fix EDAC Kconfig menu
  EDAC: Fix kernel panic on module unloading

11 years agomm: reinstante dropped pmd_trans_splitting() check
Linus Torvalds [Wed, 9 Jan 2013 16:36:54 +0000 (08:36 -0800)]
mm: reinstante dropped pmd_trans_splitting() check

The check for a pmd being in the process of being split was dropped by
mistake by commit d10e63f29488 ("mm: numa: Create basic numa page
hinting infrastructure"). Put it back.

Reported-by: Dave Jones <davej@redhat.com>
Debugged-by: Hillf Danton <dhillf@gmail.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: Kirill Shutemov <kirill@shutemov.name>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agocred: Remove tgcred pointer from struct cred
Marc Dionne [Wed, 9 Jan 2013 14:16:30 +0000 (14:16 +0000)]
cred: Remove tgcred pointer from struct cred

Commit 3a50597de863 ("KEYS: Make the session and process keyrings
per-thread") removed the definition of the thread_group_cred structure,
but left a now unused pointer in struct cred.

Signed-off-by: Marc Dionne <marc.c.dionne@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
11 years agoMerge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Linus Torvalds [Wed, 9 Jan 2013 02:53:56 +0000 (18:53 -0800)]
Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "People are back from the holiday breaks, and it shows.  Here are a
  bunch of fixes for a number of platforms:
   - A couple of small fixes for Nomadik
   - A larger set of changes for kirkwood/mvebu
     - uart driver selection, dt clocks, gpio-poweroff fixups, a few
       __init annotation fixes and some error handling improvement in
       their xor dma driver.
   - i.MX had a couple of minor fixes (and a critical one for flexcan2
     clock setup)
   - MXS has a small board fix and a framebuffer bugfix
   - A set of fixes for Samsung Exynos, fixing default bootargs and some
     Exynos5440 clock issues
   - A set of OMAP changes including PM fixes and a few sparse warning
     fixups

  All in all a bit more positive code delta than we'd ideally want to
  see here, mostly from the OMAP PM changes, but nothing overly crazy."

* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
  ARM: clps711x: Fix bad merge of clockevents setup
  ARM: highbank: save and restore L2 cache and GIC on suspend
  ARM: highbank: add a power request clear
  ARM: highbank: fix secondary boot and hotplug
  ARM: highbank: fix typos with hignbank in power request functions
  ARM: dts: fix highbank cpu mpidr values
  ARM: dts: add device_type prop to cpu nodes on Calxeda platforms
  ARM: mx5: Fix MX53 flexcan2 clock
  ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array
  pinctrl: mvebu: make pdma clock on dove mandatory
  ARM: Dove: Add pinctrl clock to DT
  dma: mv_xor: fix error handling for clocks
  dma: mv_xor: fix error handling of mv_xor_channel_add()
  arm: mvebu: Add missing ; for cpu node.
  arm: mvebu: Armada XP MV78230 has only three Ethernet interfaces
  arm: mvebu: Armada XP MV78230 has two cores, not one
  clk: mvebu: Remove inappropriate __init tagging
  ARM: Kirkwood: Use fixed-regulator instead of board gpio call
  ARM: Kirkwood: Fix missing sdio clock
  ARM: Kirkwood: Switch TWSI1 of 88f6282 to DT clock providers
  ...

11 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Wed, 9 Jan 2013 00:08:10 +0000 (16:08 -0800)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm update from Dave Airlie:
 "Exynos and Radeon mostly, with a dma-buf and ttm fix thrown in.

  It's a bit big but its mostly exynos license fix ups and I'd rather
  not hold those up since its legally stuff.

  Radeon has a couple of fixes from dma engine work, TTM is just a
  locking fix, and dma-buf fix has been hanging around and I finally got
  a chance to review it."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (30 commits)
  drm/ttm: fix fence locking in ttm_buffer_object_transfer
  drm/prime: drop reference on imported dma-buf come from gem
  drm/radeon: add quirk for d3 delay during switcheroo poweron for apple macbooks
  drm/exynos: move finish page flip to a common place
  drm/exynos: fimd: modify condition in fimd resume
  drm/radeon: fix DMA CS parser for r6xx linear copy packet
  drm/radeon: split r6xx and r7xx copy_dma functions
  drm/exynos: Use devm_clk_get in exynos_drm_gsc.c
  drm/exynos: Remove redundant NULL check in exynos_drm_gsc.c
  drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_gsc.c
  drm/exynos: Use devm_clk_get in exynos_drm_rotator.c
  drm/exynos: Remove redundant NULL check in exynos_drm_rotator.c
  drm/exynos: Remove unnecessary devm_* freeing APIs in exynos_drm_rotator.c
  drm/exynos: Use devm_clk_get in exynos_drm_fimc.c
  drm/exynos: Remove redundant NULL check
  drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_fimc.c
  drm/exynos: Use devm_kzalloc in exynos_drm_ipp.c
  drm/exynos: fix gem buffer allocation type checking
  drm/exynos: remove needless parenthesis.
  drm/exynos: fix incorrect interrupt induced by m2m operation.
  ...

11 years agoMerge tag 'omap-for-v3.8-rc2/fixes-signed-v2' of git://git.kernel.org/pub/scm/linux...
Olof Johansson [Tue, 8 Jan 2013 17:49:50 +0000 (09:49 -0800)]
Merge tag 'omap-for-v3.8-rc2/fixes-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:
The biggest change is a fix to deal with different power state
on omap2 registers that causes issues trying to use common PM code.
Also fix few incorrect registers, and an issue for omap1 USB, and
few sparse fixes for issues that sneaked in with all the clean-up.

* tag 'omap-for-v3.8-rc2/fixes-signed-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array
  ARM: OMAP1: fix USB configuration use-after-release
  ARM: OMAP2/3: PRM: fix bogus OMAP2xxx powerstate return values
  ARM: OMAP3: clock data: Add missing enable/disable for EMU clock
  ARM: OMAP4: PRM: Correct wrong instance usage for reading reset sources
  ARM: OMAP4: PRM: fix RSTTIME and RSTST offsets
  ARM: OMAP4: PRM: Correct reset source map
  ARM: OMAP: SRAM: resolve sparse warnings
  ARM: OMAP AM33xx: hwmod data: resolve sparse warnings
  ARM: OMAP: 32k counter: resolve sparse warnings

Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMerge branch 'v3.8-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Tue, 8 Jan 2013 17:42:52 +0000 (09:42 -0800)]
Merge branch 'v3.8-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes

From Kukjin Kim:
Most of them are EXYNOS5440 fixes which are for changing uart console,
cpu id (typo)  and silent complaining gpio error in kernel boot.

* 'v3.8-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: skip the clock initialization for exynos5440
  ARM: EXYNOS: enable PINCTRL for EXYNOS5440
  ARM: dts: use uart port1 for console on exynos4210-smdkv310
  ARM: dts: use uart port0 for console on exynos5440-ssdk5440
  ARM: SAMSUNG: fix the cpu id for EXYNOS5440
  ARM: EXYNOS: Revise HDMI resource size

11 years agoMerge tag 'mxs-fixes-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6 into...
Olof Johansson [Tue, 8 Jan 2013 16:39:27 +0000 (08:39 -0800)]
Merge tag 'mxs-fixes-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes

From Shawn Guo:
I have to send one critical mxsfb fix through arm-soc, as FB maintainer
is unresponsive for quite a while.  People start complaining the missing
of such an important fix.

* tag 'mxs-fixes-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6:
  video: mxsfb: fix crash when unblanking the display
  ARM: dts: imx23-olinuxino: Fix IOMUX settings

11 years agoMerge tag 'imx-fixes-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6 into...
Olof Johansson [Tue, 8 Jan 2013 16:39:00 +0000 (08:39 -0800)]
Merge tag 'imx-fixes-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes

From Shawn Guo:

It includes one critical fix - wrong flexcan2 clock will hang system
when the port gets brought up.  The other two are non-critical fixes,
which are sent together here, since it's still early -rc stage.

* tag 'imx-fixes-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: mx5: Fix MX53 flexcan2 clock
  ARM: dts: imx31-bug: Fix manufacturer compatible string
  clk: imx: Remove 'clock-output-names' from the examples

11 years agoMerge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Linus Torvalds [Tue, 8 Jan 2013 15:33:41 +0000 (07:33 -0800)]
Merge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Nothing too exciting here, just a few regression and trivial fixes,
  and new quirks for HD-audio and USB-audio.

   - HD-audio mute LED mode enum fix
   - Fix kernel panic of Digidesign Mbox2 usb-audio quirk (which was new
     in 3.8-rc1)
   - Creative BT-D1 usb-audio quirk
   - mute LED fixup for HP Pavillion 17 laptop"

* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - add mute LED for HP Pavilion 17 (Realtek codec)
  ALSA: au88x0: fix incorrect left shift
  sound: oss/pas2: Fix possible access out of array
  ALSA: usb-audio: Fix kernel panic of Digidesign Mbox2 quirk
  ALSA: usb-audio: Add support for Creative BT-D1 via usb sound quirks
  ALSA: hda - Switch "On" and "Off" for "Mute-LED Mode" kcontrol

11 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Tue, 8 Jan 2013 15:31:49 +0000 (07:31 -0800)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) New sysctl ndisc_notify needs some documentation, from Hanns
    Frederic Sowa.

 2) Netfilter REJECT target doesn't set transport header of SKB
    correctly, from Mukund Jampala.

 3) Forcedeth driver needs to check for DMA mapping failures, from Larry
    Finger.

 4) brcmsmac driver can't use usleep_range while holding locks, use
    udelay instead.  From Niels Ole Salscheider.

 5) Fix unregister of netlink bridge multicast database handlers, from
    Vlad Yasevich and Rami Rosen.

 6) Fix checksum calculations in netfilter's ipv6 network prefix
    translation module.

 7) Fix high order page allocation failures in netfilter xt_recent, from
    Eric Dumazet.

 8) mac802154 needs to use netif_rx_ni() instead of netif_rx() because
    mac802154_process_data() can execute in process rather than
    interrupt context.  From Alexander Aring.

 9) Fix splice handling of MSG_SENDPAGE_NOTLAST, otherwise we elide one
    tcp_push() too many.  From Eric Dumazet and Willy Tarreau.

10) Fix skb->truesize tracking in XEN netfront driver, from Ian
    Campbell.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (46 commits)
  xen/netfront: improve truesize tracking
  ipv4: fix NULL checking in devinet_ioctl()
  tcp: fix MSG_SENDPAGE_NOTLAST logic
  net/ipv4/ipconfig: really display the BOOTP/DHCP server's address.
  ip-sysctl: fix spelling errors
  mac802154: fix NOHZ local_softirq_pending 08 warning
  ipv6: document ndisc_notify in networking/ip-sysctl.txt
  ath9k: Fix Kconfig for ATH9K_HTC
  netfilter: xt_recent: avoid high order page allocations
  netfilter: fix missing dependencies for the NOTRACK target
  netfilter: ip6t_NPT: fix IPv6 NTP checksum calculation
  bridge: add empty br_mdb_init() and br_mdb_uninit() definitions.
  vxlan: allow live mac address change
  bridge: Correctly unregister MDB rtnetlink handlers
  brcmfmac: fix parsing rsn ie for ap mode.
  brcmsmac: add copyright information for Canonical
  rtlwifi: rtl8723ae: Fix warning for unchecked pci_map_single() call
  rtlwifi: rtl8192se: Fix warning for unchecked pci_map_single() call
  rtlwifi: rtl8192de: Fix warning for unchecked pci_map_single() call
  rtlwifi: rtl8192ce: Fix warning for unchecked pci_map_single() call
  ...

11 years agodrm/ttm: fix fence locking in ttm_buffer_object_transfer
Daniel Vetter [Tue, 18 Dec 2012 21:25:11 +0000 (22:25 +0100)]
drm/ttm: fix fence locking in ttm_buffer_object_transfer

Noticed while reviewing the fence locking in the radeon pageflip
handler.

v2: Instead of grabbing the bdev->fence_lock in object_transfer just
move the single callsite of that function a few lines, so that it is
protected by the fence_lock. Suggested by Jerome Glisse.

v3: Fix typo in commit message.

Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
11 years agoMerge tag 'mvebu_fixes_for_v3.8' of git://git.infradead.org/users/jcooper/linux into...
Olof Johansson [Tue, 8 Jan 2013 05:09:17 +0000 (21:09 -0800)]
Merge tag 'mvebu_fixes_for_v3.8' of git://git.infradead.org/users/jcooper/linux into fixes

From Jason Cooper:

fixes for mvebu/kirkwood v3.8
 - use correct uart driver for mvebu boards
 - add a missing DT clocks
 - gpio-poweroff level vs. edge triggering, use gpio_is_valid()
 - remove an inappropriate __init, modules need to access function.
 - various DT fixes
 - error handling in mv_xor

* tag 'mvebu_fixes_for_v3.8' of git://git.infradead.org/users/jcooper/linux:
  pinctrl: mvebu: make pdma clock on dove mandatory
  ARM: Dove: Add pinctrl clock to DT
  dma: mv_xor: fix error handling for clocks
  dma: mv_xor: fix error handling of mv_xor_channel_add()
  arm: mvebu: Add missing ; for cpu node.
  arm: mvebu: Armada XP MV78230 has only three Ethernet interfaces
  arm: mvebu: Armada XP MV78230 has two cores, not one
  clk: mvebu: Remove inappropriate __init tagging
  ARM: Kirkwood: Use fixed-regulator instead of board gpio call
  ARM: Kirkwood: Fix missing sdio clock
  ARM: Kirkwood: Switch TWSI1 of 88f6282 to DT clock providers
  Power: gpio-poweroff: Fix documentation and gpio_is_valid
  ARM: Kirkwood: Fix missing clk for USB device.
  arm: mvebu: Use dw-apb-uart instead of ns16650 as UART driver

Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: clps711x: Fix bad merge of clockevents setup
Olof Johansson [Sat, 5 Jan 2013 16:33:30 +0000 (08:33 -0800)]
ARM: clps711x: Fix bad merge of clockevents setup

I mismerged a previous branch from Alexander, and accidentally left
in ARCH_USES_GETTIMEOFFSET. Remove it.

Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Alexander Shiyan <shc_work@mail.ru>
11 years agoMerge tag 'nomadik-fixes-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Sat, 5 Jan 2013 02:45:08 +0000 (18:45 -0800)]
Merge tag 'nomadik-fixes-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into fixes

From Linus Walleij:
Two fixes to the Nomadik:
- Delete a dangling include
- Bump IRQ numbers to offset at 32

* tag 'nomadik-fixes-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
  ARM: nomadik: bump the IRQ numbers again
  ARM: nomadik: delete dangling include

11 years agoARM: highbank: save and restore L2 cache and GIC on suspend
Rob Herring [Sun, 30 Dec 2012 16:15:07 +0000 (10:15 -0600)]
ARM: highbank: save and restore L2 cache and GIC on suspend

This fixes suspend to RAM adding necessary save and restore of L2 and GIC.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: highbank: add a power request clear
Rob Herring [Sun, 30 Dec 2012 16:15:06 +0000 (10:15 -0600)]
ARM: highbank: add a power request clear

When we fail to power down, we need to clear out the power request.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: highbank: fix secondary boot and hotplug
Rob Herring [Sun, 30 Dec 2012 16:15:05 +0000 (10:15 -0600)]
ARM: highbank: fix secondary boot and hotplug

With commit 384a290 (ARM: gic: use a private mapping for CPU target
interfaces), wake-up IPIs now go to all cores as the gic cpu interface
numbering may not follow core numbering. This broke secondary boot on
highbank since the boot address was already set for all secondary cores,
this caused all cores to boot before the kernel was ready.

Fix this by moving the setting of the jump address to
highbank_boot_secondary instead of highbank_smp_prepare_cpus and
highbank_cpu_die. Also, clear the address when we boot. This prevents
cores from booting before they are actually triggered and is also necessary
to get suspend/resume to work.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: highbank: fix typos with hignbank in power request functions
Rob Herring [Sun, 30 Dec 2012 16:15:04 +0000 (10:15 -0600)]
ARM: highbank: fix typos with hignbank in power request functions

s/hignbank/highbank/

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: dts: fix highbank cpu mpidr values
Rob Herring [Sun, 30 Dec 2012 16:15:03 +0000 (10:15 -0600)]
ARM: dts: fix highbank cpu mpidr values

With the addition of commit a0ae0240 (ARM: kernel: add device tree init
map function), the cpu reg values must match the cpu mpidr register or we'll
get warnings. For some reason, the CLUSTERID on highbank is 9, so the reg
value needs to be 0x90n to quiet the warnings.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoARM: dts: add device_type prop to cpu nodes on Calxeda platforms
Rob Herring [Sun, 30 Dec 2012 16:15:02 +0000 (10:15 -0600)]
ARM: dts: add device_type prop to cpu nodes on Calxeda platforms

While device_type is considered deprecated, it is still needed for tools
like lshw to identify cpu nodes.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
11 years agoMerge branch 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux into drm...
Dave Airlie [Tue, 8 Jan 2013 04:52:52 +0000 (14:52 +1000)]
Merge branch 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux into drm-next

Alex writes:
 A few more fixes for DMA and a mac quirk.

* 'drm-fixes-3.8' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: add quirk for d3 delay during switcheroo poweron for apple macbooks
  drm/radeon: fix DMA CS parser for r6xx linear copy packet
  drm/radeon: split r6xx and r7xx copy_dma functions