1 files changed, 0 insertions, 293 deletions
diff --git a/ANDROID_3.4.5/arch/alpha/kernel/srmcons.c b/ANDROID_3.4.5/arch/alpha/kernel/srmcons.c
deleted file mode 100644
index 3ea80943..00000000
--- a/ANDROID_3.4.5/arch/alpha/kernel/srmcons.c
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- *	linux/arch/alpha/kernel/srmcons.c
- *
- * Callback based driver for SRM Console console device.
- * (TTY driver and console driver)
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/timer.h>
-#include <linux/tty.h>
-#include <linux/tty_driver.h>
-#include <linux/tty_flip.h>
-
-#include <asm/console.h>
-#include <asm/uaccess.h>
-
-
-static DEFINE_SPINLOCK(srmcons_callback_lock);
-static int srm_is_registered_console = 0;
-
-/* 
- * The TTY driver
- */
-#define MAX_SRM_CONSOLE_DEVICES 1	/* only support 1 console device */
-
-struct srmcons_private {
-	struct tty_port port;
-	struct timer_list timer;
-} srmcons_singleton;
-
-typedef union _srmcons_result {
-	struct {
-		unsigned long c :61;
-		unsigned long status :3;
-	} bits;
-	long as_long;
-} srmcons_result;
-
-/* called with callback_lock held */
-static int
-srmcons_do_receive_chars(struct tty_struct *tty)
-{
-	srmcons_result result;
-	int count = 0, loops = 0;
-
-	do {
-		result.as_long = callback_getc(0);
-		if (result.bits.status < 2) {
-			tty_insert_flip_char(tty, (char)result.bits.c, 0);
-			count++;
-		}
-	} while((result.bits.status & 1) && (++loops < 10));
-
-	if (count)
-		tty_schedule_flip(tty);
-
-	return count;
-}
-
-static void
-srmcons_receive_chars(unsigned long data)
-{
-	struct srmcons_private *srmconsp = (struct srmcons_private *)data;
-	struct tty_port *port = &srmconsp->port;
-	unsigned long flags;
-	int incr = 10;
-
-	local_irq_save(flags);
-	if (spin_trylock(&srmcons_callback_lock)) {
-		if (!srmcons_do_receive_chars(port->tty))
-			incr = 100;
-		spin_unlock(&srmcons_callback_lock);
-	} 
-
-	spin_lock(&port->lock);
-	if (port->tty)
-		mod_timer(&srmconsp->timer, jiffies + incr);
-	spin_unlock(&port->lock);
-
-	local_irq_restore(flags);
-}
-
-/* called with callback_lock held */
-static int
-srmcons_do_write(struct tty_struct *tty, const char *buf, int count)
-{
-	static char str_cr[1] = "\r";
-	long c, remaining = count;
-	srmcons_result result;
-	char *cur;
-	int need_cr;
-
-	for (cur = (char *)buf; remaining > 0; ) {
-		need_cr = 0;
-		/* 
-		 * Break it up into reasonable size chunks to allow a chance
-		 * for input to get in
-		 */
-		for (c = 0; c < min_t(long, 128L, remaining) && !need_cr; c++)
-			if (cur[c] == '\n')
-				need_cr = 1;
-		
-		while (c > 0) {
-			result.as_long = callback_puts(0, cur, c);
-			c -= result.bits.c;
-			remaining -= result.bits.c;
-			cur += result.bits.c;
-
-			/*
-			 * Check for pending input iff a tty was provided
-			 */
-			if (tty)
-				srmcons_do_receive_chars(tty);
-		}
-
-		while (need_cr) {
-			result.as_long = callback_puts(0, str_cr, 1);
-			if (result.bits.c > 0)
-				need_cr = 0;
-		}
-	}
-	return count;
-}
-
-static int
-srmcons_write(struct tty_struct *tty,
-	      const unsigned char *buf, int count)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&srmcons_callback_lock, flags);
-	srmcons_do_write(tty, (const char *) buf, count);
-	spin_unlock_irqrestore(&srmcons_callback_lock, flags);
-
-	return count;
-}
-
-static int
-srmcons_write_room(struct tty_struct *tty)
-{
-	return 512;
-}
-
-static int
-srmcons_chars_in_buffer(struct tty_struct *tty)
-{
-	return 0;
-}
-
-static int
-srmcons_open(struct tty_struct *tty, struct file *filp)
-{
-	struct srmcons_private *srmconsp = &srmcons_singleton;
-	struct tty_port *port = &srmconsp->port;
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	if (!port->tty) {
-		tty->driver_data = srmconsp;
-		tty->port = port;
-		port->tty = tty; /* XXX proper refcounting */
-		mod_timer(&srmconsp->timer, jiffies + 10);
-	}
-
-	spin_unlock_irqrestore(&port->lock, flags);
-
-	return 0;
-}
-
-static void
-srmcons_close(struct tty_struct *tty, struct file *filp)
-{
-	struct srmcons_private *srmconsp = tty->driver_data;
-	struct tty_port *port = &srmconsp->port;
-	unsigned long flags;
-
-	spin_lock_irqsave(&port->lock, flags);
-
-	if (tty->count == 1) {
-		port->tty = NULL;
-		del_timer(&srmconsp->timer);
-	}
-
-	spin_unlock_irqrestore(&port->lock, flags);
-}
-
-
-static struct tty_driver *srmcons_driver;
-
-static const struct tty_operations srmcons_ops = {
-	.open		= srmcons_open,
-	.close		= srmcons_close,
-	.write		= srmcons_write,
-	.write_room	= srmcons_write_room,
-	.chars_in_buffer= srmcons_chars_in_buffer,
-};
-
-static int __init
-srmcons_init(void)
-{
-	tty_port_init(&srmcons_singleton.port);
-	setup_timer(&srmcons_singleton.timer, srmcons_receive_chars,
-			(unsigned long)&srmcons_singleton);
-	if (srm_is_registered_console) {
-		struct tty_driver *driver;
-		int err;
-
-		driver = alloc_tty_driver(MAX_SRM_CONSOLE_DEVICES);
-		if (!driver)
-			return -ENOMEM;
-		driver->driver_name = "srm";
-		driver->name = "srm";
-		driver->major = 0; 	/* dynamic */
-		driver->minor_start = 0;
-		driver->type = TTY_DRIVER_TYPE_SYSTEM;
-		driver->subtype = SYSTEM_TYPE_SYSCONS;
-		driver->init_termios = tty_std_termios;
-		tty_set_operations(driver, &srmcons_ops);
-		err = tty_register_driver(driver);
-		if (err) {
-			put_tty_driver(driver);
-			return err;
-		}
-		srmcons_driver = driver;
-	}
-
-	return -ENODEV;
-}
-
-module_init(srmcons_init);
-
-
-/*
- * The console driver
- */
-static void
-srm_console_write(struct console *co, const char *s, unsigned count)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&srmcons_callback_lock, flags);
-	srmcons_do_write(NULL, s, count);
-	spin_unlock_irqrestore(&srmcons_callback_lock, flags);
-}
-
-static struct tty_driver *
-srm_console_device(struct console *co, int *index)
-{
-	*index = co->index;
-	return srmcons_driver;
-}
-
-static int
-srm_console_setup(struct console *co, char *options)
-{
-	return 0;
-}
-
-static struct console srmcons = {
-	.name		= "srm",
-	.write		= srm_console_write,
-	.device		= srm_console_device,
-	.setup		= srm_console_setup,
-	.flags		= CON_PRINTBUFFER | CON_BOOT,
-	.index		= -1,
-};
-
-void __init
-register_srm_console(void)
-{
-	if (!srm_is_registered_console) {
-		callback_open_console();
-		register_console(&srmcons);
-		srm_is_registered_console = 1;
-	}
-}
-
-void __init
-unregister_srm_console(void)
-{
-	if (srm_is_registered_console) {
-		callback_close_console();
-		unregister_console(&srmcons);
-		srm_is_registered_console = 0;
-	}
-}