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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-01-08 11:28:32 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-01-08 11:28:32 +0000
commita241f3c34a6046b7b76f1961a8700e835e0ec0b5 (patch)
tree868f235fd6673d33ec8b552f1b81e39493084383 /target/linux/ar71xx/files/arch/mips
parentab75a04099826e4f96c1a9323b2bee3ebb336854 (diff)
ar71xx: use spinlock in ar71xx_device_{start,stop}
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24929 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c b/target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c
index 6c88985ccf..ed31274182 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c
@@ -13,10 +13,12 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/mutex.h>
+#include <linux/spinlock.h>
#include <asm/mach-ar71xx/ar71xx.h>
static DEFINE_MUTEX(ar71xx_flash_mutex);
+static DEFINE_SPINLOCK(ar71xx_device_lock);
void __iomem *ar71xx_ddr_base;
EXPORT_SYMBOL_GPL(ar71xx_ddr_base);
@@ -43,30 +45,30 @@ void ar71xx_device_stop(u32 mask)
case AR71XX_SOC_AR7130:
case AR71XX_SOC_AR7141:
case AR71XX_SOC_AR7161:
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE);
ar71xx_reset_wr(AR71XX_RESET_REG_RESET_MODULE, t | mask);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
case AR71XX_SOC_AR7240:
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
mask_inv = mask & RESET_MODULE_USB_OHCI_DLL_7240;
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
t |= mask;
t &= ~mask_inv;
ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
case AR71XX_SOC_AR9130:
case AR71XX_SOC_AR9132:
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE);
ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE, t | mask);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
default:
@@ -85,30 +87,30 @@ void ar71xx_device_start(u32 mask)
case AR71XX_SOC_AR7130:
case AR71XX_SOC_AR7141:
case AR71XX_SOC_AR7161:
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE);
ar71xx_reset_wr(AR71XX_RESET_REG_RESET_MODULE, t & ~mask);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
case AR71XX_SOC_AR7240:
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
mask_inv = mask & RESET_MODULE_USB_OHCI_DLL_7240;
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
t &= ~mask;
t |= mask_inv;
ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
case AR71XX_SOC_AR9130:
case AR71XX_SOC_AR9132:
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE);
ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE, t & ~mask);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
default:
@@ -126,24 +128,24 @@ int ar71xx_device_stopped(u32 mask)
case AR71XX_SOC_AR7130:
case AR71XX_SOC_AR7141:
case AR71XX_SOC_AR7161:
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
case AR71XX_SOC_AR7240:
case AR71XX_SOC_AR7241:
case AR71XX_SOC_AR7242:
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
case AR71XX_SOC_AR9130:
case AR71XX_SOC_AR9132:
- local_irq_save(flags);
+ spin_lock_irqsave(&ar71xx_device_lock, flags);
t = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE);
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&ar71xx_device_lock, flags);
break;
default: