atheros: remove support for older kernels

SVN-Revision: 25721

1 files changed, 0 insertions, 228 deletions

diff --git a/target/linux/atheros/patches-2.6.32/130-watchdog.patch b/target/linux/atheros/patches-2.6.32/130-watchdog.patch
deleted file mode 100644
index 4d5e777cc2..0000000000
--- a/target/linux/atheros/patches-2.6.32/130-watchdog.patch
+++ /dev/null
@@ -1,228 +0,0 @@
---- /dev/null
-+++ b/drivers/watchdog/ar2315-wtd.c
-@@ -0,0 +1,200 @@
-+/*
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful,
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-+ * GNU General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-+ *
-+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
-+ * Based on EP93xx and ifxmips wdt driver
-+ */
-+
-+#include <linux/interrupt.h>
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/types.h>
-+#include <linux/miscdevice.h>
-+#include <linux/watchdog.h>
-+#include <linux/fs.h>
-+#include <linux/ioport.h>
-+#include <linux/notifier.h>
-+#include <linux/reboot.h>
-+#include <linux/init.h>
-+#include <linux/platform_device.h>
-+
-+#include <asm/io.h>
-+#include <asm/uaccess.h>
-+#include <asm/system.h>
-+#include <asm/addrspace.h>
-+#include <ar231x_platform.h>
-+#include <ar2315_regs.h>
-+#include <ar231x.h>
-+
-+#define CLOCK_RATE 40000000
-+#define HEARTBEAT(x) (x < 1 || x > 90)?(20):(x)
-+
-+static int wdt_timeout = 20;
-+static int started = 0;
-+static int in_use = 0;
-+
-+static void
-+ar2315_wdt_enable(void)
-+{
-+	ar231x_write_reg(AR2315_WD, wdt_timeout * CLOCK_RATE);
-+	ar231x_write_reg(AR2315_ISR, 0x80);
-+}
-+
-+static ssize_t
-+ar2315_wdt_write(struct file *file, const char __user *data, size_t len, loff_t *ppos)
-+{
-+	if(len)
-+		ar2315_wdt_enable();
-+	return len;
-+}
-+
-+static int
-+ar2315_wdt_open(struct inode *inode, struct file *file)
-+{
-+	if(in_use)
-+		return -EBUSY;
-+	ar2315_wdt_enable();
-+	in_use = started = 1;
-+	return nonseekable_open(inode, file);
-+}
-+
-+static int
-+ar2315_wdt_release(struct inode *inode, struct file *file)
-+{
-+	in_use = 0;
-+	return 0;
-+}
-+
-+static irqreturn_t
-+ar2315_wdt_interrupt(int irq, void *dev_id)
-+{
-+	if(started)
-+	{
-+		printk(KERN_CRIT "watchdog expired, rebooting system\n");
-+		emergency_restart();
-+	} else {
-+		ar231x_write_reg(AR2315_WDC, 0);
-+		ar231x_write_reg(AR2315_WD, 0);
-+		ar231x_write_reg(AR2315_ISR, 0x80);
-+	}
-+	return IRQ_HANDLED;
-+}
-+
-+static struct watchdog_info ident = {
-+	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
-+	.identity = "ar2315 Watchdog",
-+};
-+
-+static int
-+ar2315_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
-+{
-+	int new_wdt_timeout;
-+	int ret = -ENOIOCTLCMD;
-+
-+	switch(cmd)
-+	{
-+		case WDIOC_GETSUPPORT:
-+			ret = copy_to_user((struct watchdog_info __user *)arg, &ident, sizeof(ident)) ? -EFAULT : 0;
-+			break;
-+
-+		case WDIOC_KEEPALIVE:
-+			ar2315_wdt_enable();
-+			ret = 0;
-+			break;
-+
-+		case WDIOC_SETTIMEOUT:
-+			if((ret = get_user(new_wdt_timeout, (int __user *)arg)))
-+				break;
-+			wdt_timeout = HEARTBEAT(new_wdt_timeout);
-+			ar2315_wdt_enable();
-+			break;
-+
-+		case WDIOC_GETTIMEOUT:
-+			ret = put_user(wdt_timeout, (int __user *)arg);
-+			break;
-+	}
-+	return ret;
-+}
-+
-+static struct file_operations ar2315_wdt_fops = {
-+	.owner		= THIS_MODULE,
-+	.llseek		= no_llseek,
-+	.write		= ar2315_wdt_write,
-+	.ioctl		= ar2315_wdt_ioctl,
-+	.open		= ar2315_wdt_open,
-+	.release	= ar2315_wdt_release,
-+};
-+
-+static struct miscdevice ar2315_wdt_miscdev = {
-+	.minor	= WATCHDOG_MINOR,
-+	.name	= "watchdog",
-+	.fops	= &ar2315_wdt_fops,
-+};
-+
-+static int
-+ar2315_wdt_probe(struct platform_device *dev)
-+{
-+	int ret = 0;
-+
-+	ar2315_wdt_enable();
-+	ret = request_irq(AR531X_MISC_IRQ_WATCHDOG, ar2315_wdt_interrupt, IRQF_DISABLED, "ar2315_wdt", NULL);
-+	if(ret)
-+	{
-+		printk(KERN_ERR "ar2315wdt: failed to register inetrrupt\n");
-+		goto out;
-+	}
-+
-+	ret = misc_register(&ar2315_wdt_miscdev);
-+	if(ret)
-+		printk(KERN_ERR "ar2315wdt: failed to register miscdev\n");
-+
-+out:
-+	return ret;
-+}
-+
-+static int
-+ar2315_wdt_remove(struct platform_device *dev)
-+{
-+	misc_deregister(&ar2315_wdt_miscdev);
-+	free_irq(AR531X_MISC_IRQ_WATCHDOG, NULL);
-+	return 0;
-+}
-+
-+static struct platform_driver ar2315_wdt_driver = {
-+	.probe = ar2315_wdt_probe,
-+	.remove = ar2315_wdt_remove,
-+	.driver = {
-+		.name = "ar2315_wdt",
-+		.owner = THIS_MODULE,
-+	},
-+};
-+
-+static int __init
-+init_ar2315_wdt(void)
-+{
-+	int ret = platform_driver_register(&ar2315_wdt_driver);
-+	if(ret)
-+		printk(KERN_INFO "ar2315_wdt: error registering platfom driver!");
-+	return ret;
-+}
-+
-+static void __exit
-+exit_ar2315_wdt(void)
-+{
-+	platform_driver_unregister(&ar2315_wdt_driver);
-+}
-+
-+module_init(init_ar2315_wdt);
-+module_exit(exit_ar2315_wdt);
---- a/drivers/watchdog/Kconfig
-+++ b/drivers/watchdog/Kconfig
-@@ -850,6 +850,12 @@ config TXX9_WDT
- 	help
- 	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
- 
-+config ATHEROS_WDT
-+	tristate "Atheros wisoc Watchdog Timer"
-+	depends on ATHEROS_AR231X
-+	help
-+	  Hardware driver for the Atheros wisoc Watchdog Timer.
-+
- # PARISC Architecture
- 
- # POWERPC Architecture
---- a/drivers/watchdog/Makefile
-+++ b/drivers/watchdog/Makefile
-@@ -113,6 +113,7 @@ obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o
- obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
- obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
- obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
-+obj-$(CONFIG_ATHEROS_WDT) += ar2315-wtd.o
- 
- # PARISC Architecture
-