From 99c3549ea3e5a5036344ce1b491c911bc9856e6e Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sat, 26 Sep 2009 11:51:26 +0000 Subject: [PATCH] Remove patches already included in mainline kernel. SVN-Revision: 17735 --- .../patches-2.6.31/815-watchdog.patch | 326 ------------------ .../816-ssb_fix_irq_setup.patch | 183 ---------- 2 files changed, 509 deletions(-) delete mode 100644 target/linux/brcm47xx/patches-2.6.31/815-watchdog.patch delete mode 100644 target/linux/brcm47xx/patches-2.6.31/816-ssb_fix_irq_setup.patch diff --git a/target/linux/brcm47xx/patches-2.6.31/815-watchdog.patch b/target/linux/brcm47xx/patches-2.6.31/815-watchdog.patch deleted file mode 100644 index 3d2b2a8df6..0000000000 --- a/target/linux/brcm47xx/patches-2.6.31/815-watchdog.patch +++ /dev/null @@ -1,326 +0,0 @@ -This add watchdog driver for broadcom 47xx device. -It uses the ssb subsytem to access embeded watchdog device. - -Because the watchdog timeout is very short (about 2s), a soft timer is used -to increase the watchdog period. - -Note : A patch for exporting the ssb_watchdog_timer_set will -be submitted on next linux-mips merge. Without this patch it can't -be build as a module. - -Signed-off-by: Aleksandar Radovanovic -Signed-off-by: Matthieu CASTET ---- a/drivers/watchdog/Kconfig -+++ b/drivers/watchdog/Kconfig -@@ -764,6 +764,12 @@ config TXX9_WDT - help - Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. - -+config BCM47XX_WDT -+ tristate "Broadcom BCM47xx Watchdog Timer" -+ depends on BCM47XX -+ help -+ Hardware driver for the Broadcom BCM47xx Watchog Timer. -+ - # PARISC Architecture - - # POWERPC Architecture ---- a/drivers/watchdog/Makefile -+++ b/drivers/watchdog/Makefile -@@ -105,6 +105,7 @@ 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_BCM47XX_WDT) += bcm47xx_wdt.o - - # PARISC Architecture - ---- /dev/null -+++ b/drivers/watchdog/bcm47xx_wdt.c -@@ -0,0 +1,286 @@ -+/* -+ * Watchdog driver for Broadcom BCM47XX -+ * -+ * Copyright (C) 2008 Aleksandar Radovanovic -+ * Copyright (C) 2009 Matthieu CASTET -+ * -+ * 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. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#define DRV_NAME "bcm47xx_wdt" -+ -+#define WDT_DEFAULT_TIME 30 /* seconds */ -+#define WDT_MAX_TIME 256 /* seconds */ -+ -+static int wdt_time = WDT_DEFAULT_TIME; -+static int nowayout = WATCHDOG_NOWAYOUT; -+ -+module_param(wdt_time, int, 0); -+MODULE_PARM_DESC(wdt_time, "Watchdog time in seconds. (default=" -+ __MODULE_STRING(WDT_DEFAULT_TIME) ")"); -+ -+#ifdef CONFIG_WATCHDOG_NOWAYOUT -+module_param(nowayout, int, 0); -+MODULE_PARM_DESC(nowayout, -+ "Watchdog cannot be stopped once started (default=" -+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -+#endif -+ -+static unsigned long bcm47xx_wdt_busy; -+static char expect_release; -+static struct timer_list wdt_timer; -+static atomic_t ticks; -+ -+static inline void bcm47xx_wdt_hw_start(void) -+{ -+ /* this is 2,5s on 100Mhz clock and 2s on 133 Mhz */ -+ ssb_watchdog_timer_set(&ssb_bcm47xx, 0xfffffff); -+} -+ -+static inline int bcm47xx_wdt_hw_stop(void) -+{ -+ return ssb_watchdog_timer_set(&ssb_bcm47xx, 0); -+} -+ -+static void bcm47xx_timer_tick(unsigned long unused) -+{ -+ if (!atomic_dec_and_test(&ticks)) { -+ bcm47xx_wdt_hw_start(); -+ mod_timer(&wdt_timer, jiffies + HZ); -+ } else { -+ printk(KERN_CRIT DRV_NAME "Watchdog will fire soon!!!\n"); -+ } -+} -+ -+static inline void bcm47xx_wdt_pet(void) -+{ -+ atomic_set(&ticks, wdt_time); -+} -+ -+static void bcm47xx_wdt_start(void) -+{ -+ bcm47xx_wdt_pet(); -+ bcm47xx_timer_tick(0); -+} -+ -+static void bcm47xx_wdt_pause(void) -+{ -+ del_timer_sync(&wdt_timer); -+ bcm47xx_wdt_hw_stop(); -+} -+ -+static void bcm47xx_wdt_stop(void) -+{ -+ bcm47xx_wdt_pause(); -+} -+ -+static int bcm47xx_wdt_settimeout(int new_time) -+{ -+ if ((new_time <= 0) || (new_time > WDT_MAX_TIME)) -+ return -EINVAL; -+ -+ wdt_time = new_time; -+ return 0; -+} -+ -+static int bcm47xx_wdt_open(struct inode *inode, struct file *file) -+{ -+ if (test_and_set_bit(0, &bcm47xx_wdt_busy)) -+ return -EBUSY; -+ -+ bcm47xx_wdt_start(); -+ return nonseekable_open(inode, file); -+} -+ -+static int bcm47xx_wdt_release(struct inode *inode, struct file *file) -+{ -+ if (expect_release == 42) { -+ bcm47xx_wdt_stop(); -+ } else { -+ printk(KERN_CRIT DRV_NAME -+ ": Unexpected close, not stopping watchdog!\n"); -+ bcm47xx_wdt_start(); -+ } -+ -+ clear_bit(0, &bcm47xx_wdt_busy); -+ expect_release = 0; -+ return 0; -+} -+ -+static ssize_t bcm47xx_wdt_write(struct file *file, const char __user *data, -+ size_t len, loff_t *ppos) -+{ -+ if (len) { -+ if (!nowayout) { -+ size_t i; -+ -+ expect_release = 0; -+ -+ for (i = 0; i != len; i++) { -+ char c; -+ if (get_user(c, data + i)) -+ return -EFAULT; -+ if (c == 'V') -+ expect_release = 42; -+ } -+ } -+ bcm47xx_wdt_pet(); -+ } -+ return len; -+} -+ -+static struct watchdog_info bcm47xx_wdt_info = { -+ .identity = DRV_NAME, -+ .options = WDIOF_SETTIMEOUT | -+ WDIOF_KEEPALIVEPING | -+ WDIOF_MAGICCLOSE, -+}; -+ -+static long bcm47xx_wdt_ioctl(struct file *file, -+ unsigned int cmd, unsigned long arg) -+{ -+ void __user *argp = (void __user *)arg; -+ int __user *p = argp; -+ int new_value, retval = -EINVAL;; -+ -+ switch (cmd) { -+ case WDIOC_GETSUPPORT: -+ return copy_to_user(argp, &bcm47xx_wdt_info, -+ sizeof(bcm47xx_wdt_info)) ? -EFAULT : 0; -+ -+ case WDIOC_GETSTATUS: -+ case WDIOC_GETBOOTSTATUS: -+ return put_user(0, p); -+ -+ case WDIOC_SETOPTIONS: -+ if (get_user(new_value, p)) -+ return -EFAULT; -+ -+ if (new_value & WDIOS_DISABLECARD) { -+ bcm47xx_wdt_stop(); -+ retval = 0; -+ } -+ -+ if (new_value & WDIOS_ENABLECARD) { -+ bcm47xx_wdt_start(); -+ retval = 0; -+ } -+ -+ return retval; -+ -+ case WDIOC_KEEPALIVE: -+ bcm47xx_wdt_pet(); -+ return 0; -+ -+ case WDIOC_SETTIMEOUT: -+ if (get_user(new_value, p)) -+ return -EFAULT; -+ -+ if (bcm47xx_wdt_settimeout(new_value)) -+ return -EINVAL; -+ -+ bcm47xx_wdt_pet(); -+ -+ case WDIOC_GETTIMEOUT: -+ return put_user(wdt_time, p); -+ -+ default: -+ return -ENOTTY; -+ } -+} -+ -+static int bcm47xx_wdt_notify_sys(struct notifier_block *this, -+ unsigned long code, void *unused) -+{ -+ if (code == SYS_DOWN || code == SYS_HALT) -+ bcm47xx_wdt_stop(); -+ return NOTIFY_DONE; -+} -+ -+static const struct file_operations bcm47xx_wdt_fops = { -+ .owner = THIS_MODULE, -+ .llseek = no_llseek, -+ .unlocked_ioctl = bcm47xx_wdt_ioctl, -+ .open = bcm47xx_wdt_open, -+ .release = bcm47xx_wdt_release, -+ .write = bcm47xx_wdt_write, -+}; -+ -+static struct miscdevice bcm47xx_wdt_miscdev = { -+ .minor = WATCHDOG_MINOR, -+ .name = "watchdog", -+ .fops = &bcm47xx_wdt_fops, -+}; -+ -+static struct notifier_block bcm47xx_wdt_notifier = { -+ .notifier_call = bcm47xx_wdt_notify_sys, -+}; -+ -+static int __init bcm47xx_wdt_init(void) -+{ -+ int ret; -+ -+ if (bcm47xx_wdt_hw_stop() < 0) -+ return -ENODEV; -+ -+ setup_timer(&wdt_timer, bcm47xx_timer_tick, 0L); -+ -+ if (bcm47xx_wdt_settimeout(wdt_time)) { -+ bcm47xx_wdt_settimeout(WDT_DEFAULT_TIME); -+ printk(KERN_INFO DRV_NAME -+ ": wdt_time value must be 1 <= wdt_time <= 256, using %d\n", -+ wdt_time); -+ } -+ -+ ret = register_reboot_notifier(&bcm47xx_wdt_notifier); -+ if (ret) -+ return ret; -+ -+ ret = misc_register(&bcm47xx_wdt_miscdev); -+ if (ret) { -+ unregister_reboot_notifier(&bcm47xx_wdt_notifier); -+ return ret; -+ } -+ -+ printk(KERN_INFO "BCM47xx Watchdog Timer enabled (%d seconds%s)\n", -+ wdt_time, nowayout ? ", nowayout" : ""); -+ return 0; -+} -+ -+static void __exit bcm47xx_wdt_exit(void) -+{ -+ if (!nowayout) -+ bcm47xx_wdt_stop(); -+ -+ misc_deregister(&bcm47xx_wdt_miscdev); -+ -+ unregister_reboot_notifier(&bcm47xx_wdt_notifier); -+} -+ -+module_init(bcm47xx_wdt_init); -+module_exit(bcm47xx_wdt_exit); -+ -+MODULE_AUTHOR("Aleksandar Radovanovic"); -+MODULE_DESCRIPTION("Watchdog driver for Broadcom BCM47xx"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/target/linux/brcm47xx/patches-2.6.31/816-ssb_fix_irq_setup.patch b/target/linux/brcm47xx/patches-2.6.31/816-ssb_fix_irq_setup.patch deleted file mode 100644 index 05c36517d7..0000000000 --- a/target/linux/brcm47xx/patches-2.6.31/816-ssb_fix_irq_setup.patch +++ /dev/null @@ -1,183 +0,0 @@ -the current ssb irq setup (in ssb_mipscore_init) have some problem : -it configure some device on some irq without checking that the irq is not taken by an other device. - -For example in my case PCI host is on irq 0 and IPSEC on irq 3. -The current code : -- store in dev->irq that IPSEC irq is 3+2 -- do a set_irq 0->3 on PCI host - -But now IPSEC irq is not routed anymore to the mips code and dev->irq is wrong. This cause problem described in [1]. - -This patch try to solve the problem by making set_irq configure the device we want to take the irq on the shared irq0. -The previous example become : -- store in dev->irq that IPSEC irq is 3+2 -- do a set_irq 0->3 on PCI host : - - irq 3 is already taken by IPSEC. do a set_irq 3->0 on IPSEC - - -I also added some code to print the irq configuration before and after irq setup to allow easier debugging. And I add extra checking in ssb_mips_irq to report device without irq or device with not routed irq. - - -[1] http://www.danm.de/files/src/bcm5365p/REPORTED_DEVICES - -Signed-off-by: Matthieu CASTET ---- a/drivers/ssb/driver_mipscore.c -+++ b/drivers/ssb/driver_mipscore.c -@@ -49,29 +49,54 @@ static const u32 ipsflag_irq_shift[] = { - - static inline u32 ssb_irqflag(struct ssb_device *dev) - { -- return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG; -+ u32 tpsflag = ssb_read32(dev, SSB_TPSFLAG); -+ if (tpsflag) -+ return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG; -+ else -+ /* not irq supported */ -+ return 0x3f; -+} -+ -+static struct ssb_device *find_device(struct ssb_device *rdev, int irqflag) -+{ -+ struct ssb_bus *bus = rdev->bus; -+ int i; -+ for (i = 0; i < bus->nr_devices; i++) { -+ struct ssb_device *dev; -+ dev = &(bus->devices[i]); -+ if (ssb_irqflag(dev) == irqflag) -+ return dev; -+ } -+ return NULL; - } - - /* Get the MIPS IRQ assignment for a specified device. - * If unassigned, 0 is returned. -+ * If disabled, 5 is returned. -+ * If not supported, 6 is returned. - */ - unsigned int ssb_mips_irq(struct ssb_device *dev) - { - struct ssb_bus *bus = dev->bus; -+ struct ssb_device *mdev = bus->mipscore.dev; - u32 irqflag; - u32 ipsflag; - u32 tmp; - unsigned int irq; - - irqflag = ssb_irqflag(dev); -+ if (irqflag == 0x3f) -+ return 6; - ipsflag = ssb_read32(bus->mipscore.dev, SSB_IPSFLAG); - for (irq = 1; irq <= 4; irq++) { - tmp = ((ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq]); - if (tmp == irqflag) - break; - } -- if (irq == 5) -- irq = 0; -+ if (irq == 5) { -+ if ((1 << irqflag) & ssb_read32(mdev, SSB_INTVEC)) -+ irq = 0; -+ } - - return irq; - } -@@ -97,25 +122,56 @@ static void set_irq(struct ssb_device *d - struct ssb_device *mdev = bus->mipscore.dev; - u32 irqflag = ssb_irqflag(dev); - -+ BUG_ON(oldirq == 6); -+ - dev->irq = irq + 2; - -- ssb_dprintk(KERN_INFO PFX -- "set_irq: core 0x%04x, irq %d => %d\n", -- dev->id.coreid, oldirq, irq); - /* clear the old irq */ - if (oldirq == 0) - ssb_write32(mdev, SSB_INTVEC, (~(1 << irqflag) & ssb_read32(mdev, SSB_INTVEC))); -- else -+ else if (oldirq != 5) - clear_irq(bus, oldirq); - - /* assign the new one */ - if (irq == 0) { - ssb_write32(mdev, SSB_INTVEC, ((1 << irqflag) | ssb_read32(mdev, SSB_INTVEC))); - } else { -+ u32 ipsflag = ssb_read32(mdev, SSB_IPSFLAG); -+ if ((ipsflag & ipsflag_irq_mask[irq]) != ipsflag_irq_mask[irq]) { -+ u32 oldipsflag = (ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq]; -+ struct ssb_device *olddev = find_device(dev, oldipsflag); -+ if (olddev) -+ set_irq(olddev, 0); -+ } - irqflag <<= ipsflag_irq_shift[irq]; -- irqflag |= (ssb_read32(mdev, SSB_IPSFLAG) & ~ipsflag_irq_mask[irq]); -+ irqflag |= (ipsflag & ~ipsflag_irq_mask[irq]); - ssb_write32(mdev, SSB_IPSFLAG, irqflag); - } -+ ssb_dprintk(KERN_INFO PFX -+ "set_irq: core 0x%04x, irq %d => %d\n", -+ dev->id.coreid, oldirq+2, irq+2); -+} -+ -+static void print_irq(struct ssb_device *dev, unsigned int irq) -+{ -+ int i; -+ static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"}; -+ ssb_dprintk(KERN_INFO PFX -+ "core 0x%04x, irq :", dev->id.coreid); -+ for (i = 0; i <= 6; i++) { -+ ssb_dprintk(" %s%s", irq_name[i], i==irq?"*":" "); -+ } -+ ssb_dprintk("\n"); -+} -+ -+static void dump_irq(struct ssb_bus *bus) -+{ -+ int i; -+ for (i = 0; i < bus->nr_devices; i++) { -+ struct ssb_device *dev; -+ dev = &(bus->devices[i]); -+ print_irq(dev, ssb_mips_irq(dev)); -+ } - } - - static void ssb_mips_serial_init(struct ssb_mipscore *mcore) -@@ -197,18 +253,26 @@ void ssb_mipscore_init(struct ssb_mipsco - else if (bus->chipco.dev) - ssb_chipco_timing_init(&bus->chipco, ns); - -+ dump_irq(bus); - /* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */ - for (irq = 2, i = 0; i < bus->nr_devices; i++) { -+ int mips_irq; - dev = &(bus->devices[i]); -- dev->irq = ssb_mips_irq(dev) + 2; -+ mips_irq = ssb_mips_irq(dev); -+ if (mips_irq > 4) -+ dev->irq = 0; -+ else -+ dev->irq = mips_irq + 2; -+ if (dev->irq > 5) -+ continue; - switch (dev->id.coreid) { - case SSB_DEV_USB11_HOST: - /* shouldn't need a separate irq line for non-4710, most of them have a proper - * external usb controller on the pci */ - if ((bus->chip_id == 0x4710) && (irq <= 4)) { - set_irq(dev, irq++); -- break; - } -+ break; - /* fallthrough */ - case SSB_DEV_PCI: - case SSB_DEV_ETHERNET: -@@ -222,6 +286,8 @@ void ssb_mipscore_init(struct ssb_mipsco - } - } - } -+ ssb_dprintk(KERN_INFO PFX "after irq reconfiguration\n"); -+ dump_irq(bus); - - ssb_mips_serial_init(mcore); - ssb_mips_flash_detect(mcore); -- 2.25.1