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9 years agousb: gadget: s3c2410_udc: set value for common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:36 +0000 (16:32 +0800)]
usb: gadget: s3c2410_udc: set value for common is_selfpowered

Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: net2280: use common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:35 +0000 (16:32 +0800)]
usb: gadget: net2280: use common is_selfpowered

Delete private selfpowered variable, and use common one.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: r8a66597-udc: set value for common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:34 +0000 (16:32 +0800)]
usb: gadget: r8a66597-udc: set value for common is_selfpowered

Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: omap_udc: set value for common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:33 +0000 (16:32 +0800)]
usb: gadget: omap_udc: set value for common is_selfpowered

Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: fsl_udc_core: set value for common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:32 +0000 (16:32 +0800)]
usb: gadget: fsl_udc_core: set value for common is_selfpowered

fsl udc core assumes itself always self powered, so set is_selfpowered
is 1.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: lpc32xx_udc: use common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:31 +0000 (16:32 +0800)]
usb: gadget: lpc32xx_udc: use common is_selfpowered

Delete private selfpowered variable, and use common one.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: dummy_hcd: set value for common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:30 +0000 (16:32 +0800)]
usb: gadget: dummy_hcd: set value for common is_selfpowered

Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: bdc_udc: set value for common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:29 +0000 (16:32 +0800)]
usb: gadget: bdc_udc: set value for common is_selfpowered

Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: renesas_usbhs: gadget: set value for common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:28 +0000 (16:32 +0800)]
usb: renesas_usbhs: gadget: set value for common is_selfpowered

Set value for common is_selfpowered.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agostaging: emxx_udc: use common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:27 +0000 (16:32 +0800)]
staging: emxx_udc: use common is_selfpowered

Delete private selfpowered variable, and use common one.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: at91_udc: use common is_selfpowered
Peter Chen [Wed, 28 Jan 2015 08:32:26 +0000 (16:32 +0800)]
usb: gadget: at91_udc: use common is_selfpowered

Delete private selfpowered variable, and use common one.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: chipidea: udc: add set_selfpowered gaget ops
Peter Chen [Wed, 28 Jan 2015 08:32:25 +0000 (16:32 +0800)]
usb: chipidea: udc: add set_selfpowered gaget ops

The gadget power property will be used at get_status request.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: introduce is_selfpowered for usb_gadget
Peter Chen [Wed, 28 Jan 2015 08:32:24 +0000 (16:32 +0800)]
usb: gadget: introduce is_selfpowered for usb_gadget

Whether the gadget is selfpowerwed or not can be determined by composite
core, so we can use a common entry to indicate if the self-powered
is supported by gadget, and the related private variable at individual
udc driver can be deleted.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: gadget: add missing spin_lock()
Felipe Balbi [Thu, 29 Jan 2015 16:29:18 +0000 (10:29 -0600)]
usb: dwc3: gadget: add missing spin_lock()

commit 8e74475b0e0a (usb: dwc3: gadget: use udc-core's
reset notifier) added support for the new UDC core's
reset notifier to dwc3 but while at it, it removed
a spin_lock() from dwc3_reset_gadget() which might
cause an unbalanced spin_unlock() further down the line

Fixes: 8e74475b0e0a (usb: dwc3: gadget: use udc-core's reset notifier)
Cc: <stable@vger.kernel.org> # v3.19
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: remove reliance on dev_vdbg()
Felipe Balbi [Tue, 27 Jan 2015 19:48:14 +0000 (13:48 -0600)]
usb: dwc3: remove reliance on dev_vdbg()

By moving all dev_vdbg() to tracepoints, we
can finally get rid of dev_vdbg() usage from
dwc3.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: trace: add trace logs for core and gadget
Felipe Balbi [Tue, 27 Jan 2015 19:47:02 +0000 (13:47 -0600)]
usb: dwc3: trace: add trace logs for core and gadget

Sometimes we want to just print a formatted
string without passing any extra data. The
following will be used for removing reliance
on dev_vdbg() from dwc3.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: gadget: WARN() in case of unknown IRQ
Felipe Balbi [Tue, 27 Jan 2015 19:49:28 +0000 (13:49 -0600)]
usb: dwc3: gadget: WARN() in case of unknown IRQ

if an unknown IRQ event is triggered, that means
the HW is really misbehaving. Instead of printing
a debug message, let's WARN() so users report
when that happens.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc3: gadget: avoid variable shadowing
Felipe Balbi [Tue, 27 Jan 2015 19:24:26 +0000 (13:24 -0600)]
usb: dwc3: gadget: avoid variable shadowing

We already have both ret and dwc defined in this
same function.

Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: uvc: comments for iterating over streaming hierarchy
Andrzej Pietrasiewicz [Mon, 19 Jan 2015 12:52:58 +0000 (13:52 +0100)]
usb: gadget: uvc: comments for iterating over streaming hierarchy

The purpose of the functions and their parametrs might not be obvious
to the reader, so explain it.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: uvc: use explicit type instead of void *
Andrzej Pietrasiewicz [Mon, 19 Jan 2015 12:52:57 +0000 (13:52 +0100)]
usb: gadget: uvc: use explicit type instead of void *

The first parameter of __uvcg_iter_strm_cls() is always used in
the context of struct uvcg_streaming_header, so change the
function prototype accordingly.

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: mxs: add delay before set phyctrl.clkgate
Peter Chen [Fri, 16 Jan 2015 10:29:01 +0000 (18:29 +0800)]
usb: phy: mxs: add delay before set phyctrl.clkgate

There is a request from IC engineer that if we doesn't
set phypwd as 0xffffffff, we need to delay about five
32Khz cycles before set phy's pwd register, otherwise,
the wakeup signal may can't wake up controller.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: mxs: do not set PWD.RXPWD1PT1 for low speed connection
Peter Chen [Fri, 16 Jan 2015 10:29:00 +0000 (18:29 +0800)]
usb: phy: mxs: do not set PWD.RXPWD1PT1 for low speed connection

At very rare cases, the SoF will not send out after resume with
low speed connection. The workaround is do not power down
PWD.RXPWD1PT1 bit during the suspend.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: mxs: refine mxs_phy_disconnect_line
Li Jun [Fri, 16 Jan 2015 10:28:59 +0000 (18:28 +0800)]
usb: phy: mxs: refine mxs_phy_disconnect_line

For non-otg mode, we keep the usage of disconnect line between phy analog
and digital unchanging; for otg mode, at peripheral role, we keep the usage
unchanging too, at host role, the digital part needs to know dp/dm change
to respond device's data pulse when it is at low power mode.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: mxs: don't need IP fix for imx6sx
Peter Chen [Fri, 16 Jan 2015 10:28:58 +0000 (18:28 +0800)]
usb: phy: mxs: don't need IP fix for imx6sx

The RLT code has already done it, so no software operation is needed.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Fix USB disabled check
Laurent Pinchart [Tue, 20 Jan 2015 22:56:05 +0000 (00:56 +0200)]
usb: isp1760: Fix USB disabled check

The isp1760 driver registration function returns an error if USB is
disabled. This made sense when the driver only supported host
controllers, but now that it supports peripheral controllers host
support isn't mandatory anymore.

Fix this by returning an error only when both the HCD and UDC functions
are disabled, either through the kernel configuration or at runtime.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Remove duplicate usb_disabled() check
Laurent Pinchart [Tue, 20 Jan 2015 22:56:04 +0000 (00:56 +0200)]
usb: isp1760: Remove duplicate usb_disabled() check

Both isp1760_register() and isp1761_pci_probe() check whether USB is
disabled by calling usb_disabled(), and bail out with an error if it is.
One check is enough, remove the PCI-specific check.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Make HCD support optional
Laurent Pinchart [Tue, 20 Jan 2015 22:56:03 +0000 (00:56 +0200)]
usb: isp1760: Make HCD support optional

Enable compilation of the isp1760 driver in pure host mode, pure device
mode, or dual-role mode.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Move driver from drivers/usb/host/ to drivers/usb/isp1760/
Laurent Pinchart [Tue, 20 Jan 2015 22:56:02 +0000 (00:56 +0200)]
usb: isp1760: Move driver from drivers/usb/host/ to drivers/usb/isp1760/

Now that this is DRD, it doesn't make sense to keep it under
drivers/usb/host.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Add device controller support
Laurent Pinchart [Tue, 20 Jan 2015 22:56:01 +0000 (00:56 +0200)]
usb: isp1760: Add device controller support

The ISP1761 is a dual-mode host and device controller backward
compatible on the host side with the ISP1760. Add support for the device
controller.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Move PORT1 configuration to core code
Laurent Pinchart [Tue, 20 Jan 2015 22:56:00 +0000 (00:56 +0200)]
usb: isp1760: Move PORT1 configuration to core code

Configuring the mode of operation of port 1 doesn't belong to the HCD
code, as it's related to the soon to come UDC support. Move the
configuration to core code.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Initialize the bus interface in core code
Laurent Pinchart [Tue, 20 Jan 2015 22:55:59 +0000 (00:55 +0200)]
usb: isp1760: Initialize the bus interface in core code

Although the corresponding register is part of the HCD register space,
processor bus initialization is not specific to the HCD. To prepare for
device controller support, move bus interface initialization to core
code.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Set IRQF_SHARED flag in core code
Laurent Pinchart [Tue, 20 Jan 2015 22:55:58 +0000 (00:55 +0200)]
usb: isp1760: Set IRQF_SHARED flag in core code

The IRQF_SHARED flag needs to be set regardless of the bus type. Don't
require glue code to set it manually.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Move core code to isp1760-core.c
Laurent Pinchart [Tue, 20 Jan 2015 22:55:57 +0000 (00:55 +0200)]
usb: isp1760: Move core code to isp1760-core.c

Move core device initialization to a central location in order to share
it with the device mode implementation.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Reorganize header files
Laurent Pinchart [Tue, 20 Jan 2015 22:55:56 +0000 (00:55 +0200)]
usb: isp1760: Reorganize header files

The isp1760-rhcd.h header contains PTD constants and structures only
useful for the HCD implementation. It also contains register definitions
that will be needed by common code when implementing support for the
ISP1761 device controller, but doesn't contain the isp1760_hcd structure
definition that will also be used by common code.

Move definitions to the right location and create an isp1760-regs.h to
store register definitions. No change other than moving definitions and
modifying indentation is performed.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Prefix driver data structures with isp1760_
Laurent Pinchart [Tue, 20 Jan 2015 22:55:55 +0000 (00:55 +0200)]
usb: isp1760: Prefix driver data structures with isp1760_

The slotinfo and memory_chunk structures are specific to the driver and
defined in a header file. Prefix them with isp1760_ to avoid namespace
clashes.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Decouple usb_hdc and isp1760_priv
Laurent Pinchart [Tue, 20 Jan 2015 22:55:54 +0000 (00:55 +0200)]
usb: isp1760: Decouple usb_hdc and isp1760_priv

Allocate the driver private data structure manually instead of using the
usb_hcd private space. This will allow skipping hcd registration for the
isp1761 when used in device mode only.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Refactor PCI initialization code
Laurent Pinchart [Tue, 20 Jan 2015 22:55:53 +0000 (00:55 +0200)]
usb: isp1760: Refactor PCI initialization code

Move the initialization code out of the PCI probe function to a new
function in order to simplify and fix error handling.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Use the managed devm_ioremap_resource() API
Laurent Pinchart [Tue, 20 Jan 2015 22:55:52 +0000 (00:55 +0200)]
usb: isp1760: Use the managed devm_ioremap_resource() API

This simplifies error and remove code paths.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Pass resource pointer to isp1760_register
Laurent Pinchart [Tue, 20 Jan 2015 22:55:51 +0000 (00:55 +0200)]
usb: isp1760: Pass resource pointer to isp1760_register

The function takes quite a few arguments, passing the resource pointer
instead of the start address and length simplifies it a bit.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Remove busname argument to isp1760_register
Laurent Pinchart [Tue, 20 Jan 2015 22:55:50 +0000 (00:55 +0200)]
usb: isp1760: Remove busname argument to isp1760_register

The argument is unused, remove it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Prefix init_kmem_once and deinit_kmem_cache with isp1760_
Laurent Pinchart [Tue, 20 Jan 2015 22:55:49 +0000 (00:55 +0200)]
usb: isp1760: Prefix init_kmem_once and deinit_kmem_cache with isp1760_

The two functions are specific to the driver but have very generic
names, subject to collisions. Rename them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Fix indentation in probe error path
Laurent Pinchart [Tue, 20 Jan 2015 22:55:48 +0000 (00:55 +0200)]
usb: isp1760: Fix indentation in probe error path

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Don't expose hcd to glue code from isp1760_register
Laurent Pinchart [Tue, 20 Jan 2015 22:55:47 +0000 (00:55 +0200)]
usb: isp1760: Don't expose hcd to glue code from isp1760_register

The glue code probe functions don't need to access the hcd structure
anymore. Modify isp1760_register to return an integer error code instead
of the hcd pointer.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Manage device driver data in common code
Laurent Pinchart [Tue, 20 Jan 2015 22:55:46 +0000 (00:55 +0200)]
usb: isp1760: Manage device driver data in common code

Don't duplicate *_set_drvdata calls in glue code.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Move removal cleanup code to isp1760-hcd.c
Laurent Pinchart [Tue, 20 Jan 2015 22:55:45 +0000 (00:55 +0200)]
usb: isp1760: Move removal cleanup code to isp1760-hcd.c

The removal cleanup code is duplicated between the different bus glues.
Move it to a central location.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Merge platform and OF glue codes
Laurent Pinchart [Tue, 20 Jan 2015 22:55:44 +0000 (00:55 +0200)]
usb: isp1760: Merge platform and OF glue codes

Both handle platform devices, merge them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Unmap I/O registers at platform device removal
Laurent Pinchart [Tue, 20 Jan 2015 22:55:43 +0000 (00:55 +0200)]
usb: isp1760: Unmap I/O registers at platform device removal

The I/O registers are mapped in the HCD code but must be unmapped by
glue code. The OF and PCI glue code unmap them correctly but the
platform glue code is missing an iounmap() call. Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Retrieve pdev memory resource from hcd at remove time
Laurent Pinchart [Tue, 20 Jan 2015 22:55:42 +0000 (00:55 +0200)]
usb: isp1760: Retrieve pdev memory resource from hcd at remove time

The platform driver remove function needs to release the memory resource
requested at probe time. Instead of retrieving the resource from the
platform device, retrieve it from the usb_hcd. This mimics the behaviour
of the PCI and OF glues, and will make it easier to share code between
all three glue layers.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Remove isp1760 glue structure
Laurent Pinchart [Tue, 20 Jan 2015 22:55:41 +0000 (00:55 +0200)]
usb: isp1760: Remove isp1760 glue structure

The structure is allocated for the sole purpose of holding a pointer to
the HCD and being stored in platform device driver data. Store the HCD
pointer directly instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: isp1760: Use the gpio descriptor API
Laurent Pinchart [Tue, 20 Jan 2015 22:55:40 +0000 (00:55 +0200)]
usb: isp1760: Use the gpio descriptor API

Switching to the managed gpio descriptor API simplifies both error and
cleanup code paths (by removing the need to free the gpio) and runtime
code (by removing manual handling of the active low flag). It also
permits handling the reset gpio entirely from within the HCD code,
sharing it between the different glue layers.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: zero: fix format string warnings
Asaf Vertz [Wed, 21 Jan 2015 09:06:34 +0000 (11:06 +0200)]
usb: gadget: zero: fix format string warnings

Fixed the following warnings (reported by cppcheck):
[drivers/usb/gadget/function/f_sourcesink.c:1217]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1261]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1305]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1349]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1393]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1437]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1476]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1520]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1564]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'.
[drivers/usb/gadget/function/f_sourcesink.c:1608]: (warning) %d in format string (no. 1)
requires 'int' but the argument type is 'unsigned int'

Reviewed-by: Amit Virdi <amit.virdi@st.com>
Signed-off-by: Asaf Vertz <asaf.vertz@tandemg.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: ffs: add eventfd notification about ffs events
Robert Baldyga [Fri, 23 Jan 2015 12:41:01 +0000 (13:41 +0100)]
usb: gadget: ffs: add eventfd notification about ffs events

Add eventfd which notifies userspace about ep0 events and AIO completion
events. It simplifies using of FunctionFS with event loop, because now
we need to poll on single file (instead of polling on ep0 and eventfd's
supplied to AIO layer).

FunctionFS eventfd is not triggered if another eventfd is supplied to
AIO layer (in AIO request). It can be useful, for example, when we want
to handle AIO transations for chosen endpoint in separate thread.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: f_fs: Fix loop variable
Mario Schuknecht [Mon, 26 Jan 2015 19:40:21 +0000 (20:40 +0100)]
usb: gadget: f_fs: Fix loop variable

Use if-loop variable 'epfile' instead of start variable 'epfiles'. Now the
correct endpoint file name is stored.

Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: Fix os desc test
Mario Schuknecht [Mon, 26 Jan 2015 19:30:27 +0000 (20:30 +0100)]
usb: gadget: Fix os desc test

USB vendor type is encoded in field bmRequestType. Make test USB_TYPE_VENDOR
with bRequestType instead of bRequest.

Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: musb: cppi41: improve rx channel abort routine
Bin Liu [Mon, 26 Jan 2015 22:22:07 +0000 (16:22 -0600)]
usb: musb: cppi41: improve rx channel abort routine

1. set AUTOREQ to NONE at the beginning of teardown;

2. add delay for dma pipeline to drain;

3. Do not set USB_TDOWN bit for RX teardown.

  The CPPI hw has an issue that when tearing down a RX channel, if
  another RX channel is receiving data, the CPPI will lockup.

  To workaround the issue, do not set the CPPI TD bit. The steps before
  this point ensures the CPPI channel will be torn down properly.

Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: musb: cppi41: correct the macro name EP_MODE_AUTOREG_*
Bin Liu [Mon, 26 Jan 2015 22:22:06 +0000 (16:22 -0600)]
usb: musb: cppi41: correct the macro name EP_MODE_AUTOREG_*

The macro EP_MODE_AUTOREG_* should be called EP_MODE_AUTOREQ_*, as they
are used for register AUTOREQ.

Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: renesas_usbhs: add support for requesting DT DMA
Yoshihiro Shimoda [Mon, 19 Jan 2015 03:53:17 +0000 (12:53 +0900)]
usb: renesas_usbhs: add support for requesting DT DMA

This patch adds dma_request_slave_channel_reason() calling to request
dma slave channels for multiplatform environment.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: renesas_usbhs: add usbhsf_dma_init_pdev() function
Yoshihiro Shimoda [Mon, 19 Jan 2015 03:53:16 +0000 (12:53 +0900)]
usb: renesas_usbhs: add usbhsf_dma_init_pdev() function

To add support for requesting DT DMA in the future, this patch adds
usbhsf_dma_init_pdev() function.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: renesas_usbhs: mod_host: use HUB_CHAR_*
Sergei Shtylyov [Sun, 18 Jan 2015 22:59:09 +0000 (01:59 +0300)]
usb: renesas_usbhs: mod_host: use HUB_CHAR_*

Fix  using the  bare number  to set the 'wHubCharacteristics' field of the Hub
Descriptor while the values are #define'd in <linux/usb/ch11.h>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: musb: virthub: use HUB_CHAR_*
Sergei Shtylyov [Sun, 18 Jan 2015 22:57:18 +0000 (01:57 +0300)]
usb: musb: virthub: use HUB_CHAR_*

Fix  using the  bare numbers to set the 'wHubCharacteristics' field of the Hub
Descriptor while the values are #define'd in <linux/usb/ch11.h>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dummy_hcd: use HUB_CHAR_*
Sergei Shtylyov [Sun, 18 Jan 2015 22:55:55 +0000 (01:55 +0300)]
usb: dummy_hcd: use HUB_CHAR_*

Fix  using the  bare numbers to set the 'wHubCharacteristics' field of the Hub
Descriptor while the values are #define'd in <linux/usb/ch11.h>.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: dwc2: hcd: use HUB_CHAR_*
Sergei Shtylyov [Sun, 18 Jan 2015 22:54:15 +0000 (01:54 +0300)]
usb: dwc2: hcd: use HUB_CHAR_*

Fix  using the  bare number  to set the 'wHubCharacteristics' field of the Hub
Descriptor while the values are #define'd in <linux/usb/ch11.h>.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: uvc: preserve the address passed to kfree()
Andrzej Pietrasiewicz [Fri, 16 Jan 2015 14:14:27 +0000 (15:14 +0100)]
usb: gadget: uvc: preserve the address passed to kfree()

__uvcg_fill_strm() called from __uvcg_iter_stream_cls()
might have advanced the "data" even if __uvcg_iter_stream_cls()
returns an error, so use a backup copy as an argument to kfree().

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agoMAINTAINERS: update maintainer entry for dwc2 driver
Paul Zimmerman [Thu, 15 Jan 2015 20:14:10 +0000 (20:14 +0000)]
MAINTAINERS: update maintainer entry for dwc2 driver

Update the MAINTAINERS entry for the dwc2 driver to show John Youn
as the new maintainer

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agoRevert "usb: dwc2: add bus suspend/resume for dwc2"
Paul Zimmerman [Thu, 15 Jan 2015 19:21:46 +0000 (19:21 +0000)]
Revert "usb: dwc2: add bus suspend/resume for dwc2"

This reverts commit 0cf884e819e05437287a668b9bfcc198bab6329c.
Even after applying the follow-on patch at
https://patchwork.kernel.org/patch/5325111
there are still problems with device connect on the Altera SOCFPGA
platform at least. One possible fix would be to add a whitelist
to enable suspend/resume on platforms where it does work correctly.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: ethernet: re-use %pM specifier to print MAC
Andy Shevchenko [Thu, 15 Jan 2015 11:40:04 +0000 (13:40 +0200)]
usb: gadget: ethernet: re-use %pM specifier to print MAC

Instead of custom approach the patch converts code to use %pM specifier to
print MAC.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: phy: make GPIOs optional for the generic phy
Paul Zimmerman [Thu, 15 Jan 2015 02:45:12 +0000 (02:45 +0000)]
usb: phy: make GPIOs optional for the generic phy

The use of GPIOs should be optional for the generic phy, otherwise
the Altera SOCFPGA platform at least is broken.

Fixes breakage caused by a combination of e9f2cefb0cd "usb: phy:
generic: migrate to gpio_desc" and 135b3c4304d "usb: dwc2: platform:
add generic PHY framework support".

Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: uvc: cleanup UVCG_FRAME_ATTR macro
Dan Carpenter [Wed, 14 Jan 2015 21:06:35 +0000 (00:06 +0300)]
usb: gadget: uvc: cleanup UVCG_FRAME_ATTR macro

1) Change "conv" an "vnoc" to "to_cpu_endian" to "to_little_endian".
2) No need to check the "limit" because that is already handled in
   kstrtoXX so delete that parameter along with the check.
3) By using a "bits" parameter, we can combine the "uxx" parameter and
   the "str2u" parameters.
4) The kstrtou##bits() conversion does not need to be done under the
   mutex so move it to the start of the function.
5) Change the name of "identity_conv" to "noop_conversion".

Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: uvc: memory leak in uvcg_frame_make()
Dan Carpenter [Wed, 14 Jan 2015 21:03:08 +0000 (00:03 +0300)]
usb: gadget: uvc: memory leak in uvcg_frame_make()

We need to add a kfree(h) on an error path.

Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: uvc: remove an impossible condition
Dan Carpenter [Wed, 14 Jan 2015 21:02:18 +0000 (00:02 +0300)]
usb: gadget: uvc: remove an impossible condition

"num" is a u32 so "(num > 0xFFFFFFFF)" is never true.  Also the range
is already checked in kstrtou32().

Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agousb: gadget: uvc: fix some error codes
Dan Carpenter [Wed, 14 Jan 2015 20:59:48 +0000 (23:59 +0300)]
usb: gadget: uvc: fix some error codes

We're basically saying ERR_CAST(NULL) and PTR_ERR(NULL) here, which is
nonsensical.

Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
9 years agoMerge tag 'v3.19-rc5' into next
Felipe Balbi [Mon, 19 Jan 2015 15:57:20 +0000 (09:57 -0600)]
Merge tag 'v3.19-rc5' into next

Linux 3.19-rc5

Conflicts:
drivers/usb/dwc2/gadget.c
drivers/usb/gadget/udc/bdc/bdc_ep.c

9 years agoLinux 3.19-rc5 v3.19-rc5
Linus Torvalds [Sun, 18 Jan 2015 06:02:20 +0000 (18:02 +1200)]
Linux 3.19-rc5

9 years agoMerge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...
Linus Torvalds [Sun, 18 Jan 2015 06:00:40 +0000 (18:00 +1200)]
Merge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "We've been sitting on our fixes branch for a while, so this batch is
  unfortunately on the large side.

  A lot of these are tweaks and fixes to device trees, fixing various
  bugs around clocks, reg ranges, etc.  There's also a few defconfig
  updates (which are on the late side, no more of those).

  All in all the diffstat is bigger than ideal at this time, but nothing
  in here seems particularly risky"

* tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
  reset: sunxi: fix spinlock initialization
  ARM: dts: disable CCI on exynos5420 based arndale-octa
  drivers: bus: check cci device tree node status
  ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288
  ARM: nomadik: fix up leftover device tree pins
  ARM: at91: board-dt-sama5: add phy_fixup to override NAND_Tree
  ARM: at91/dt: sam9263: Add missing clocks to lcdc node
  ARM: at91: sama5d3: dt: correct the sound route
  ARM: at91/dt: sama5d4: fix the timer reg length
  ARM: exynos_defconfig: Enable LM90 driver
  ARM: exynos_defconfig: Enable options for display panel support
  arm: dts: Use pmu_system_controller phandle for dp phy
  ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances
  ARM: dts: berlin: correct BG2Q's SM GPIO location.
  ARM: dts: berlin: add broken-cd and set bus width for eMMC in Marvell DMP DT
  ARM: dts: berlin: fix io clk and add missing core clk for BG2Q sdhci2 host
  ARM: dts: Revert disabling of smc91x for n900
  ARM: dts: imx51-babbage: Fix ULPI PHY reset modelling
  ARM: dts: dra7-evm: fix qspi device tree partition size
  ARM: omap2plus_defconfig: use CONFIG_CPUFREQ_DT
  ...

9 years agoMerge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux
Linus Torvalds [Sun, 18 Jan 2015 03:29:11 +0000 (15:29 +1200)]
Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux

Pull clock driver fixes from Mike Turquette:
 "Small number of fixes for clock drivers and a single null pointer
  dereference fix in the framework core code.

  The driver fixes vary from fixing section mismatch warnings to
  preventing machines from hanging (and preventing developers from
  crying)"

* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
  clk: fix possible null pointer dereference
  Revert "clk: ppc-corenet: Fix Section mismatch warning"
  clk: rockchip: fix deadlock possibility in cpuclk
  clk: berlin: bg2q: remove non-exist "smemc" gate clock
  clk: at91: keep slow clk enabled to prevent system hang
  clk: rockchip: fix rk3288 cpuclk core dividers
  clk: rockchip: fix rk3066 pll lock bit location
  clk: rockchip: Fix clock gate for rk3188 hclk_emem_peri
  clk: rockchip: add CLK_IGNORE_UNUSED flag to fix rk3066/rk3188 USB Host

9 years agoMerge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Linus Torvalds [Sun, 18 Jan 2015 03:26:52 +0000 (15:26 +1200)]
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "This is one fix for a Multiqueue sleeping in invalid context problem
  and a MAINTAINER file update for Qlogic"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ->queue_rq can't sleep
  MAINTAINERS: Update maintainer list for qla4xxx

9 years agoclk: fix possible null pointer dereference
Stanimir Varbanov [Mon, 5 Jan 2015 16:04:23 +0000 (18:04 +0200)]
clk: fix possible null pointer dereference

The commit 646cafc6 (clk: Change clk_ops->determine_rate to
return a clk_hw as the best parent) opens a possibility for
null pointer dereference, fix this.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
9 years agoRevert "clk: ppc-corenet: Fix Section mismatch warning"
Kevin Hao [Wed, 3 Dec 2014 08:53:51 +0000 (16:53 +0800)]
Revert "clk: ppc-corenet: Fix Section mismatch warning"

This reverts commit da788acb28386aa896224e784954bb73c99ff26c.

That commit tried to fix the section mismatch warning by moving the
ppc_corenet_clk_driver struct to init section. This is definitely wrong
because the kernel would free the memories occupied by this struct
after boot while this driver is still registered in the driver core.
The kernel would panic when accessing this driver struct.

Cc: stable@vger.kernel.org # 3.17
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
9 years agoclk: rockchip: fix deadlock possibility in cpuclk
Heiko Stübner [Fri, 16 Jan 2015 16:52:44 +0000 (17:52 +0100)]
clk: rockchip: fix deadlock possibility in cpuclk

Lockdep reported a possible deadlock between the cpuclk lock and for example
the i2c driver.

       CPU0                    CPU1
       ----                    ----
  lock(clk_lock);
                               local_irq_disable();
                               lock(&(&i2c->lock)->rlock);
                               lock(clk_lock);
  <Interrupt>
    lock(&(&i2c->lock)->rlock);

 *** DEADLOCK ***

The generic clock-types of the core ccf already use spin_lock_irqsave when
touching clock registers, so do the same for the cpuclk.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
[mturquette@linaro.org: removed initialization of "flags"]

9 years agoMerge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Linus Torvalds [Sat, 17 Jan 2015 18:26:24 +0000 (06:26 +1200)]
Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fixes from Vinod Koul:
 "Two patches, the first by Andy to fix dw dmac runtime pm and second
  one by me to fix the dmaengine headers in MAINTAINERS"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: dw: balance PM runtime calls
  MAINTAINERS: dmaengine: fix the header file for dmaengine

9 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 17 Jan 2015 18:24:30 +0000 (06:24 +1200)]
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Ingo Molnar:
 "Mostly tooling fixes, but also two PMU driver fixes"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf tools powerpc: Use dwfl_report_elf() instead of offline.
  perf tools: Fix segfault for symbol annotation on TUI
  perf test: Fix dwarf unwind using libunwind.
  perf tools: Avoid build splat for syscall numbers with uclibc
  perf tools: Elide strlcpy warning with uclibc
  perf tools: Fix statfs.f_type data type mismatch build error with uclibc
  tools: Remove bitops/hweight usage of bits in tools/perf
  perf machine: Fix __machine__findnew_thread() error path
  perf tools: Fix building error in x86_64 when dwarf unwind is on
  perf probe: Propagate error code when write(2) failed
  perf/x86/intel: Fix bug for "cycles:p" and "cycles:pp" on SLM
  perf/rapl: Fix sysfs_show() initialization for RAPL PMU

9 years agoMerge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git...
Ingo Molnar [Sat, 17 Jan 2015 10:04:35 +0000 (11:04 +0100)]
Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

  - Fix segfault when using both the map symtab viewer and annotation
    in the TUI (Namhyung Kim).

  - uClibc build fixes (Alexey Brodkin, Vineet Gupta).

  - bitops/hweight were moved from tools/perf/ too tools/include, move
    some leftovers (Arnaldo Carvalho de Melo)

  - Fix dwarf unwind x86_64 build error (Namhyung Kim)

  - Fix __machine__findnew_thread() error path (Namhyung Kim)

  - Propagate error code when write(2) failed in 'perf probe' (Namhyung Kim)

  - Use dwfl_report_elf() instead of offline in powerpc bits to
    properly handle non prelinked DSOs (Sukadev Bhattiprolu).

  - Fix dwarf unwind using libunwind in 'perf test' (Wang Nan)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
9 years agoMerge tag 'samsung-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene...
Olof Johansson [Thu, 15 Jan 2015 23:45:18 +0000 (15:45 -0800)]
Merge tag 'samsung-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes

Merge "Samsung fixes for v3.19" from Kukjin Kim:

Samsung fixes for v3.19
- exynos_defconfig: enable LM90 driver and display panel support
   - HWMON
   - SENSORS_LM90
   - Direct Rendering Manager (DRM)
   - DRM bridge registration and lookup framework
   - Parade ps8622/ps8625 eDP/LVDS bridge
   - NXP ptn3460 eDP/LVDS bridge
   - Exynos Fully Interactive Mobile Display controller (FIMD)
   - Panel registration and lookup framework
   - Simple panels
   - Backlight & LCD device support

- use pmu_system_controller phandle for dp phy
  : DP PHY requires pmu_system_controller to handle PMU reg. now

* tag 'samsung-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: exynos_defconfig: Enable LM90 driver
  ARM: exynos_defconfig: Enable options for display panel support
  arm: dts: Use pmu_system_controller phandle for dp phy

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoreset: sunxi: fix spinlock initialization
Tyler Baker [Mon, 12 Jan 2015 15:54:46 +0000 (07:54 -0800)]
reset: sunxi: fix spinlock initialization

Call spin_lock_init() before the spinlocks are used, both in early init
and probe functions preventing a lockdep splat.

I have been observing lockdep complaining [1] during boot on my a80 optimus [2]
when CONFIG_PROVE_LOCKING has been enabled. This patch resolves the splat,
and has been tested on a few other sunxi platforms without issue.

[1] http://storage.kernelci.org/next/next-20150107/arm-multi_v7_defconfig+CONFIG_PROVE_LOCKING=y/lab-tbaker/boot-sun9i-a80-optimus.html
[2] http://kernelci.org/boot/?a80-optimus

Signed-off-by: Tyler Baker <tyler.baker@linaro.org>
Cc: <stable@vger.kernel.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'renesas-soc-fixes-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Tue, 13 Jan 2015 23:32:43 +0000 (15:32 -0800)]
Merge tag 'renesas-soc-fixes-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

Merge "Renesas ARM Based SoC Fixes for v3.19" from Simon Horman:

Renesas ARM Based SoC Fixes for v3.19

This pull request is based on the last round of SoC updates for v3.19,
Fourth Round of Renesas ARM Based SoC Updates for v3.19, tagged as
renesas-soc3-for-v3.19, merged into your next/soc branch and included in
v3.19-rc1.

- ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds

  Set .control_parent for all irqpin instances for sh73a0 SoC when booting
  using legacy C.

- ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds

  This fixes a long standing problem which has been present since
  the sh73a0 SoC started using the INTC External IRQ pin driver.

  The patch that introduced the problem is 341eb5465f67437a ("ARM:
  shmobile: INTC External IRQ pin driver on sh73a0") which was included
  in v3.10.

* tag 'renesas-soc-fixes-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances
  ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds

9 years agoARM: dts: disable CCI on exynos5420 based arndale-octa
Abhilash Kesavan [Sat, 10 Jan 2015 03:11:36 +0000 (08:41 +0530)]
ARM: dts: disable CCI on exynos5420 based arndale-octa

The arndale-octa board was giving "imprecise external aborts" during
boot-up with MCPM enabled. CCI enablement of the boot cluster was found
to be the cause of these aborts (possibly because the secure f/w was not
allowing it). Hence, disable CCI for the arndale-octa board.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agodrivers: bus: check cci device tree node status
Abhilash Kesavan [Sat, 10 Jan 2015 03:11:35 +0000 (08:41 +0530)]
drivers: bus: check cci device tree node status

The arm-cci driver completes the probe sequence even if the cci node is
marked as disabled. Add a check in the driver to honour the cci status
in the device tree.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux...
Olof Johansson [Mon, 12 Jan 2015 22:11:58 +0000 (14:11 -0800)]
Merge tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes

Merge "at91: fixes for 3.19 #1 (ter)" from Nicolas Ferre:

First fixes batch for AT91 on 3.19:
- fix some DT entries
- correct clock entry for the at91sam9263 LCD
- add a phy_fixup for Eth1 on sama5d4

* tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
  ARM: at91: board-dt-sama5: add phy_fixup to override NAND_Tree
  ARM: at91/dt: sam9263: Add missing clocks to lcdc node
  ARM: at91: sama5d3: dt: correct the sound route
  ARM: at91/dt: sama5d4: fix the timer reg length

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoARM: rockchip: disable jtag/sdmmc autoswitching on rk3288
Heiko Stübner [Sun, 11 Jan 2015 22:09:23 +0000 (23:09 +0100)]
ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288

rk3288 SoCs have a function to automatically switch between jtag/sdmmc pinmux
settings depending on the card state. This collides with a lot of assumptions.

It only works when using the internal card-detect mechanism and breaks
horribly when using either the normal card-detect via the slot-gpio function
or via any other pin. Also there is of course no link between the mmc and jtag
on the software-side, so the jtag clocks may very well be disabled when the
card is ejected and the soc switches back to the jtag pinmux.

Leaving the switching function enabled did result in mmc timeouts and rcu
stalls thus hanging the system on 3.19-rc1. Therefore disable it in all cases,
as we expect the devicetree to explicitly select either mmc or jtag pinmuxes
anyway.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'berlin-fixes-for-3.19-1' of git://git.infradead.org/users/hesselba/linux...
Olof Johansson [Sun, 11 Jan 2015 21:07:05 +0000 (13:07 -0800)]
Merge tag 'berlin-fixes-for-3.19-1' of git://git.infradead.org/users/hesselba/linux-berlin into fixes

Merge "ARM: berlin: Fixes for v3.19 (round 1)" from Sebastian Hesselbarth:

Marvell Berlin fixes for v3.19 round 1:
- SDHCI DT fixes for BG2Q and BG2Q reference board
- BG2Q SM GPIO DT node relocation

* tag 'berlin-fixes-for-3.19-1' of git://git.infradead.org/users/hesselba/linux-berlin:
  ARM: dts: berlin: correct BG2Q's SM GPIO location.
  ARM: dts: berlin: add broken-cd and set bus width for eMMC in Marvell DMP DT
  ARM: dts: berlin: fix io clk and add missing core clk for BG2Q sdhci2 host

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoARM: nomadik: fix up leftover device tree pins
Linus Walleij [Fri, 9 Jan 2015 19:11:20 +0000 (20:11 +0100)]
ARM: nomadik: fix up leftover device tree pins

We altered the device tree bindings for the Nomadik family of
pin controllers to be standard, this file was merged out-of-order
so we missed fixing this. Fix it up.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'omap-for-v3.19/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Thu, 8 Jan 2015 22:43:00 +0000 (14:43 -0800)]
Merge tag 'omap-for-v3.19/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge "omap fixes against v3.19-rc1" from Tony Lindgren:

Fixes for omaps mostly to deal with dra7 timer issues
and hypervisor mode. The other fixes are minor fixes for
various boards. The summary of the fixes is:

- Fix real-time counter rate typos for some frequencies
- Fix counter frequency drift for am572x
- Fix booting of secondary CPU in HYP mode
- Fix n900 board name for legacy user space
- Fix cpufreq in omap2plus_defconfig after Kconfig change
- Fix dra7 qspi partitions

And also, let's re-enable smc91x on some n900 boards that
we have sitting in a few test boot systems after the boot
loader dependencies got fixed.

* tag 'omap-for-v3.19/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Revert disabling of smc91x for n900
  ARM: dts: dra7-evm: fix qspi device tree partition size
  ARM: omap2plus_defconfig: use CONFIG_CPUFREQ_DT
  ARM: OMAP2+: Fix n900 board name for legacy user space
  ARM: omap5/dra7xx: Enable booting secondary CPU in HYP mode
  ARM: dra7xx: Fix counter frequency drift for AM572x errata i856
  ARM: omap5/dra7xx: Fix frequency typos

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'imx-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo...
Olof Johansson [Thu, 8 Jan 2015 22:42:11 +0000 (14:42 -0800)]
Merge tag 'imx-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Merge "ARM: imx: fixes for 3.19" from Shawn Guo:

The i.MX fixes for 3.19:
 - One fix for incorrect i.MX25 SPI1 clock assignment in device tree,
   which causes system hang when accessing SPI1.
 - Correct i.MX6SX QSPI parent clock configuration to fix a kernel Oops.
 - Fix ULPI PHY reset modelling on imx51-babbage board to remove the
   dependency on bootloader for USB3317 ULPI PHY reset.
 - Correct video divider setting on i.MX6Q rev T0 1.0 to fix the issue
   that HDMI is not working at high resolution on T0 1.0.
 - One incremental fix for CODA960 VPU enabling in device tree to
   correct interrupt order.
 - LS1021A SCFG block works in BE mode, add device tree property
   big-endian to make it right.

* tag 'imx-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx51-babbage: Fix ULPI PHY reset modelling
  ARM: imx6sx: Set PLL2 as parent of QSPI clocks
  ARM: dts: imx25: Fix the SPI1 clocks
  ARM: clk-imx6q: fix video divider for rev T0 1.0
  ARM: dts: imx6qdl: Fix CODA960 interrupt order
  ARM: ls1021a: dtsi: add 'big-endian' property for scfg node

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agoMerge tag 'v3.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel...
Olof Johansson [Thu, 8 Jan 2015 22:38:36 +0000 (14:38 -0800)]
Merge tag 'v3.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes

Merge "ARM: rockchip: dts fix for 3.19" from Heiko Stübner:

Increase drive-strength to sdmmc pins on rk3288-evb to fix
an issue with the fixed highspeed card detection.

* tag 'v3.19-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: bump sd card pin drive strength up on rk3288-evb

Signed-off-by: Olof Johansson <olof@lixom.net>
9 years agokernel: avoid overflow in cmp_range
Louis Langholtz [Fri, 16 Jan 2015 05:04:46 +0000 (22:04 -0700)]
kernel: avoid overflow in cmp_range

Avoid overflow possibility.

[ The overflow is purely theoretical, since this is used for memory
  ranges that aren't even close to using the full 64 bits, but this is
  the right thing to do regardless.  - Linus ]

Signed-off-by: Louis Langholtz <lou_langholtz@me.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Peter Anvin <hpa@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
9 years agoperf tools powerpc: Use dwfl_report_elf() instead of offline.
Sukadev Bhattiprolu [Sat, 22 Nov 2014 01:33:53 +0000 (20:33 -0500)]
perf tools powerpc: Use dwfl_report_elf() instead of offline.

dwfl_report_offline() works only when libraries are prelinked.

Replace dwfl_report_offline() with dwfl_report_elf() so we correctly
extract debug info even from libraries that are not prelinked.

Reported-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Link: http://lkml.kernel.org/r/20150114221045.GA17703@us.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
9 years agoperf tools: Fix segfault for symbol annotation on TUI
Namhyung Kim [Wed, 14 Jan 2015 11:18:05 +0000 (20:18 +0900)]
perf tools: Fix segfault for symbol annotation on TUI

Currently the symbol structure is allocated with symbol_conf.priv_size
to carry sideband information like annotation, map browser on TUI and
sort-by-name tree node.  So retrieving these information from symbol
needs to care about the details of such placement.

However the annotation code just assumes that the symbol is placed after
the struct annotation.  But actually there's other info between them.
So accessing those struct will lead to an undefined behavior (usually a
crash) after they write their info to the same location.

To reproduce the problem, please follow the steps below:

  1. run perf report (TUI of course) with -v option
  2. open map browser (by pressing right arrow key for any entry)
  3. search any function (by pressing '/' key and input whatever..)
  4. return to the hist browser (by pressing 'q' or left arrow key)
  5. open annotation window for the same entry (by pressing 'a' key)

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1421234288-22758-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
9 years agoperf test: Fix dwarf unwind using libunwind.
Wang Nan [Wed, 14 Jan 2015 02:36:47 +0000 (10:36 +0800)]
perf test: Fix dwarf unwind using libunwind.

Perf tool fails to unwind user stack if the event raises in a shared
object. This patch improves tests/dwarf-unwind.c to demonstrate the
problem by utilizing commonly used glibc function "bsearch". If perf is
not statically linked, the testcase will try to unwind a mixed call
trace.

By debugging libunwind I found that there is a bug in unwind-libunwind:
it always passes 0 as segbase to libunwind, cause libunwind unable to
locate debug_frame entry fir first level ip address (I add some more
debugging output into libunwind to make things clear):

               >_Uarm_dwarf_find_debug_frame: start_ip = 10be98, end_ip = 10c2a4
               >_Uarm_dwarf_find_debug_frame: found debug_frame table `/lib/libc-2.18.so': segbase=0x0, len=7, gp=0x0, table_data=0x449388
               >_Uarm_dwarf_search_unwind_table: call lookup:ip = b6cd3bcc, segbase = 0, rel_ip = b6cd3bcc
               >lookup: e->start_ip_offset = bcf18 (rel_ip = b6cd3bcc)
               >lookup: e->start_ip_offset = 6d314 (rel_ip = b6cd3bcc)
               >lookup: e->start_ip_offset = 33d0c (rel_ip = b6cd3bcc)
                ...
               >lookup: e->start_ip_offset = 15d0c (rel_ip = b6cd3bcc)
               >lookup: e->start_ip_offset = 15c40 (rel_ip = b6cd3bcc)
 >_Uarm_dwarf_search_unwind_table: IP b6cd3bcc inside range b6c12000-b6d4c000, but no explicit unwind info found
                >put_rs_cache: unmasking signals/interrupts and releasing lock
               >_Uarm_dwarf_step: returning -10
 >_Uarm_step: dwarf_step()=-10

This patch passes map->start as segbase to dwarf_find_debug_frame(), so
di will be initialized correctly.

In addition, dso and executable are different when setting segbase. This
patch first check whether the elf is executable, and pass segbase only
for shared object.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1421203007-75799-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
9 years agoperf tools: Avoid build splat for syscall numbers with uclibc
Vineet Gupta [Tue, 13 Jan 2015 13:43:22 +0000 (19:13 +0530)]
perf tools: Avoid build splat for syscall numbers with uclibc

This is due to duplicated unistd inclusion (via uClibc headers + kernel headers)
Also seen on ARM uClibc based tools

   ------- ARC build ---------->8-------------

  CC       util/evlist.o
In file included from
~/arc/k.org/arch/arc/include/uapi/asm/unistd.h:25:0,
                 from util/../perf-sys.h:10,
                 from util/../perf.h:15,
                 from util/event.h:7,
                 from util/event.c:3:
~/arc/k.org/include/uapi/asm-generic/unistd.h:906:0:
warning: "__NR_fcntl64" redefined [enabled by default]
 #define __NR_fcntl64 __NR3264_fcntl
 ^
In file included from
~/arc/gnu/INSTALL_1412-arc-2014.12-rc1/arc-snps-linux-uclibc/sysroot/usr/include/sys/syscall.h:24:0,
                 from util/../perf-sys.h:6,
   ----------------->8-------------------

   ------- ARM build ---------->8-------------

  CC FPIC  plugin_scsi.o
In file included from util/../perf-sys.h:9:0,
                 from util/../perf.h:15,
                 from util/cache.h:7,
                 from perf.c:12:
~/arc/k.org/arch/arm/include/uapi/asm/unistd.h:28:0:
warning: "__NR_restart_syscall" redefined [enabled by default]
In file included from
~/buildroot/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/sys/syscall.h:25:0,
                 from util/../perf-sys.h:6,
                 from util/../perf.h:15,
                 from util/cache.h:7,
                 from perf.c:12:
~/buildroot/host/usr/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/include/bits/sysnum.h:17:0:
note: this is the location of the previous definition
   ----------------->8-------------------

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1421156604-30603-4-git-send-email-vgupta@synopsys.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
9 years agoperf tools: Elide strlcpy warning with uclibc
Vineet Gupta [Tue, 13 Jan 2015 13:43:21 +0000 (19:13 +0530)]
perf tools: Elide strlcpy warning with uclibc

   ----------------->8------------------
  CC       bench/sched-pipe.o
In file included from builtin-annotate.c:13:0:
util/cache.h:76:15: warning: redundant redeclaration of 'strlcpy'
[-Wredundant-decls]
 extern size_t strlcpy(char *dest, const char *src, size_t size);
               ^
In file included from util/util.h:55:0,
                 from builtin.h:4,
                 from builtin-annotate.c:8:
~/vineetg/arc/gnu/INSTALL_1412-arc-2014.12-rc1/arc-snps-linux-uclibc/sysroot/usr/include/string.h:396:15:
note: previous declaration of 'strlcpy' was here
 extern size_t strlcpy(char *__restrict dst, const char *__restrict src,
   ----------------->8------------------

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1421156604-30603-3-git-send-email-vgupta@synopsys.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>