tty: delete briq_panel.c driver

This driver is broken, as reported by Jiri, and to quote Ben:
	Just remove the driver, I don't think anybody cares.
so I'm doing just that here.

Reported-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 43643033a3ae2973daa6c30bc94d7cb47223a509..ee946865d6cb271ab001ed7837501843c7c31f75 100644 (file)
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -66,21 +66,6 @@ config TTY_PRINTK
 
          If unsure, say N.
 
-config BRIQ_PANEL
-       tristate 'Total Impact briQ front panel driver'
-       depends on PPC_CHRP
-       ---help---
-         The briQ is a small footprint CHRP computer with a frontpanel VFD, a
-         tristate led and two switches. It is the size of a CDROM drive.
-
-         If you have such one and want anything showing on the VFD then you
-         must answer Y here.
-
-         To compile this driver as a module, choose M here: the
-         module will be called briq_panel.
-
-         It's safe to say N here.
-
 config BFIN_OTP
        tristate "Blackfin On-Chip OTP Memory Support"
        depends on BLACKFIN && (BF51x || BF52x || BF54x)

diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 32762ba769c223d1eb7b9bf18afde58a3eaf1205..0dc5d7ce4864b5f61d7c811b2cf7c7218df6739c 100644 (file)
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -16,7 +16,6 @@ obj-$(CONFIG_UV_MMTIMER)      += uv_mmtimer.o
 obj-$(CONFIG_VIOTAPE)          += viotape.o
 obj-$(CONFIG_IBM_BSR)          += bsr.o
 obj-$(CONFIG_SGI_MBCS)         += mbcs.o
-obj-$(CONFIG_BRIQ_PANEL)       += briq_panel.o
 obj-$(CONFIG_BFIN_OTP)         += bfin-otp.o
 
 obj-$(CONFIG_PRINTER)          += lp.o

diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c
deleted file mode 100644 (file)
index 095ab90..0000000
--- a/drivers/char/briq_panel.c
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- * Drivers for the Total Impact PPC based computer "BRIQ"
- * by Dr. Karsten Jeppesen
- *
- */
-
-#include <linux/module.h>
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/tty.h>
-#include <linux/timer.h>
-#include <linux/kernel.h>
-#include <linux/wait.h>
-#include <linux/string.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/miscdevice.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/init.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-
-#define                BRIQ_PANEL_MINOR        156
-#define                BRIQ_PANEL_VFD_IOPORT   0x0390
-#define                BRIQ_PANEL_LED_IOPORT   0x0398
-#define                BRIQ_PANEL_VER          "1.1 (04/20/2002)"
-#define                BRIQ_PANEL_MSG0         "Loading Linux"
-
-static int             vfd_is_open;
-static unsigned char   vfd[40];
-static int             vfd_cursor;
-static unsigned char   ledpb, led;
-
-static void update_vfd(void)
-{
-       int     i;
-
-       /* cursor home */
-       outb(0x02, BRIQ_PANEL_VFD_IOPORT);
-       for (i=0; i<20; i++)
-               outb(vfd[i], BRIQ_PANEL_VFD_IOPORT + 1);
-
-       /* cursor to next line */
-       outb(0xc0, BRIQ_PANEL_VFD_IOPORT);
-       for (i=20; i<40; i++)
-               outb(vfd[i], BRIQ_PANEL_VFD_IOPORT + 1);
-
-}
-
-static void set_led(char state)
-{
-       if (state == 'R')
-               led = 0x01;
-       else if (state == 'G')
-               led = 0x02;
-       else if (state == 'Y')
-               led = 0x03;
-       else if (state == 'X')
-               led = 0x00;
-       outb(led, BRIQ_PANEL_LED_IOPORT);
-}
-
-static int briq_panel_open(struct inode *ino, struct file *filep)
-{
-       tty_lock();
-       /* enforce single access, vfd_is_open is protected by BKL */
-       if (vfd_is_open) {
-               tty_unlock();
-               return -EBUSY;
-       }
-       vfd_is_open = 1;
-
-       tty_unlock();
-       return 0;
-}
-
-static int briq_panel_release(struct inode *ino, struct file *filep)
-{
-       if (!vfd_is_open)
-               return -ENODEV;
-
-       vfd_is_open = 0;
-
-       return 0;
-}
-
-static ssize_t briq_panel_read(struct file *file, char __user *buf, size_t count,
-                        loff_t *ppos)
-{
-       unsigned short c;
-       unsigned char cp;
-
-       if (!vfd_is_open)
-               return -ENODEV;
-
-       c = (inb(BRIQ_PANEL_LED_IOPORT) & 0x000c) | (ledpb & 0x0003);
-       set_led(' ');
-       /* upper button released */
-       if ((!(ledpb & 0x0004)) && (c & 0x0004)) {
-               cp = ' ';
-               ledpb = c;
-               if (copy_to_user(buf, &cp, 1))
-                       return -EFAULT;
-               return 1;
-       }
-       /* lower button released */
-       else if ((!(ledpb & 0x0008)) && (c & 0x0008)) {
-               cp = '\r';
-               ledpb = c;
-               if (copy_to_user(buf, &cp, 1))
-                       return -EFAULT;
-               return 1;
-       } else {
-               ledpb = c;
-               return 0;
-       }
-}
-
-static void scroll_vfd( void )
-{
-       int     i;
-
-       for (i=0; i<20; i++) {
-               vfd[i] = vfd[i+20];
-               vfd[i+20] = ' ';
-       }
-       vfd_cursor = 20;
-}
-
-static ssize_t briq_panel_write(struct file *file, const char __user *buf, size_t len,
-                         loff_t *ppos)
-{
-       size_t indx = len;
-       int i, esc = 0;
-
-       if (!vfd_is_open)
-               return -EBUSY;
-
-       for (;;) {
-               char c;
-               if (!indx)
-                       break;
-               if (get_user(c, buf))
-                       return -EFAULT;
-               if (esc) {
-                       set_led(c);
-                       esc = 0;
-               } else if (c == 27) {
-                       esc = 1;
-               } else if (c == 12) {
-                       /* do a form feed */
-                       for (i=0; i<40; i++)
-                               vfd[i] = ' ';
-                       vfd_cursor = 0;
-               } else if (c == 10) {
-                       if (vfd_cursor < 20)
-                               vfd_cursor = 20;
-                       else if (vfd_cursor < 40)
-                               vfd_cursor = 40;
-                       else if (vfd_cursor < 60)
-                               vfd_cursor = 60;
-                       if (vfd_cursor > 59)
-                               scroll_vfd();
-               } else {
-                       /* just a character */
-                       if (vfd_cursor > 39)
-                               scroll_vfd();
-                       vfd[vfd_cursor++] = c;
-               }
-               indx--;
-               buf++;
-       }
-       update_vfd();
-
-       return len;
-}
-
-static const struct file_operations briq_panel_fops = {
-       .owner          = THIS_MODULE,
-       .read           = briq_panel_read,
-       .write          = briq_panel_write,
-       .open           = briq_panel_open,
-       .release        = briq_panel_release,
-       .llseek         = noop_llseek,
-};
-
-static struct miscdevice briq_panel_miscdev = {
-       BRIQ_PANEL_MINOR,
-       "briq_panel",
-       &briq_panel_fops
-};
-
-static int __init briq_panel_init(void)
-{
-       struct device_node *root = of_find_node_by_path("/");
-       const char *machine;
-       int i;
-
-       machine = of_get_property(root, "model", NULL);
-       if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) {
-               of_node_put(root);
-               return -ENODEV;
-       }
-       of_node_put(root);
-
-       printk(KERN_INFO
-               "briq_panel: v%s Dr. Karsten Jeppesen (kj@totalimpact.com)\n",
-               BRIQ_PANEL_VER);
-
-       if (!request_region(BRIQ_PANEL_VFD_IOPORT, 4, "BRIQ Front Panel"))
-               return -EBUSY;
-
-       if (!request_region(BRIQ_PANEL_LED_IOPORT, 2, "BRIQ Front Panel")) {
-               release_region(BRIQ_PANEL_VFD_IOPORT, 4);
-               return -EBUSY;
-       }
-       ledpb = inb(BRIQ_PANEL_LED_IOPORT) & 0x000c;
-
-       if (misc_register(&briq_panel_miscdev) < 0) {
-               release_region(BRIQ_PANEL_VFD_IOPORT, 4);
-               release_region(BRIQ_PANEL_LED_IOPORT, 2);
-               return -EBUSY;
-       }
-
-       outb(0x38, BRIQ_PANEL_VFD_IOPORT);      /* Function set */
-       outb(0x01, BRIQ_PANEL_VFD_IOPORT);      /* Clear display */
-       outb(0x0c, BRIQ_PANEL_VFD_IOPORT);      /* Display on */
-       outb(0x06, BRIQ_PANEL_VFD_IOPORT);      /* Entry normal */
-       for (i=0; i<40; i++)
-               vfd[i]=' ';
-#ifndef MODULE
-       vfd[0] = 'L';
-       vfd[1] = 'o';
-       vfd[2] = 'a';
-       vfd[3] = 'd';
-       vfd[4] = 'i';
-       vfd[5] = 'n';
-       vfd[6] = 'g';
-       vfd[7] = ' ';
-       vfd[8] = '.';
-       vfd[9] = '.';
-       vfd[10] = '.';
-#endif /* !MODULE */
-
-       update_vfd();
-
-       return 0;
-}
-
-static void __exit briq_panel_exit(void)
-{
-       misc_deregister(&briq_panel_miscdev);
-       release_region(BRIQ_PANEL_VFD_IOPORT, 4);
-       release_region(BRIQ_PANEL_LED_IOPORT, 2);
-}
-
-module_init(briq_panel_init);
-module_exit(briq_panel_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Karsten Jeppesen <karsten@jeppesens.com>");
-MODULE_DESCRIPTION("Driver for the Total Impact briQ front panel");