diff options
Diffstat (limited to 'arch/cris')
-rw-r--r-- | arch/cris/arch-v10/drivers/ds1302.c | 7 | ||||
-rw-r--r-- | arch/cris/arch-v10/drivers/pcf8563.c | 6 | ||||
-rw-r--r-- | arch/cris/arch-v10/drivers/sync_serial.c | 11 | ||||
-rw-r--r-- | arch/cris/arch-v32/drivers/cryptocop.c | 4 | ||||
-rw-r--r-- | arch/cris/arch-v32/drivers/mach-a3/gpio.c | 11 | ||||
-rw-r--r-- | arch/cris/arch-v32/drivers/mach-fs/gpio.c | 11 | ||||
-rw-r--r-- | arch/cris/arch-v32/drivers/pcf8563.c | 6 | ||||
-rw-r--r-- | arch/cris/arch-v32/drivers/sync_serial.c | 11 | ||||
-rw-r--r-- | arch/cris/include/arch-v10/arch/irqflags.h | 45 | ||||
-rw-r--r-- | arch/cris/include/arch-v10/arch/system.h | 16 | ||||
-rw-r--r-- | arch/cris/include/arch-v32/arch/irqflags.h | 46 | ||||
-rw-r--r-- | arch/cris/include/arch-v32/arch/system.h | 22 | ||||
-rw-r--r-- | arch/cris/include/asm/irqflags.h | 1 | ||||
-rw-r--r-- | arch/cris/include/asm/system.h | 1 |
14 files changed, 129 insertions, 69 deletions
diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c index 95aadb4a8cf1..3d655dcc65da 100644 --- a/arch/cris/arch-v10/drivers/ds1302.c +++ b/arch/cris/arch-v10/drivers/ds1302.c @@ -19,7 +19,7 @@ #include <linux/module.h> #include <linux/miscdevice.h> #include <linux/delay.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/bcd.h> #include <linux/capability.h> @@ -34,6 +34,7 @@ #define RTC_MAJOR_NR 121 /* local major, change later */ +static DEFINE_MUTEX(ds1302_mutex); static const char ds1302_name[] = "ds1302"; /* The DS1302 might be connected to different bits on different products. @@ -357,9 +358,9 @@ static long rtc_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned lon { int ret; - lock_kernel(); + mutex_lock(&ds1302_mutex); ret = rtc_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&ds1302_mutex); return ret; } diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c index 7aa6ff00a117..ea69faba9b62 100644 --- a/arch/cris/arch-v10/drivers/pcf8563.c +++ b/arch/cris/arch-v10/drivers/pcf8563.c @@ -27,7 +27,6 @@ #include <linux/delay.h> #include <linux/bcd.h> #include <linux/mutex.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -49,6 +48,7 @@ #define rtc_read(x) i2c_readreg(RTC_I2C_READ, x) #define rtc_write(x,y) i2c_writereg(RTC_I2C_WRITE, x, y) +static DEFINE_MUTEX(pcf8563_mutex); static DEFINE_MUTEX(rtc_lock); /* Protect state etc */ static const unsigned char days_in_month[] = @@ -344,9 +344,9 @@ static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned { int ret; - lock_kernel(); + mutex_lock(&pcf8563_mutex); return pcf8563_ioctl(filp, cmd, arg); - unlock_kernel(); + mutex_unlock(&pcf8563_mutex); return ret; } diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c index e501632fa8c2..399dc1ec8e6f 100644 --- a/arch/cris/arch-v10/drivers/sync_serial.c +++ b/arch/cris/arch-v10/drivers/sync_serial.c @@ -20,7 +20,7 @@ #include <linux/interrupt.h> #include <linux/poll.h> #include <linux/init.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/timer.h> #include <asm/irq.h> #include <asm/dma.h> @@ -149,6 +149,7 @@ struct sync_port { }; +static DEFINE_MUTEX(sync_serial_mutex); static int etrax_sync_serial_init(void); static void initialize_port(int portnbr); static inline int sync_data_avail(struct sync_port *port); @@ -446,7 +447,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) int mode; int err = -EBUSY; - lock_kernel(); + mutex_lock(&sync_serial_mutex); DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev)); if (dev < 0 || dev >= NUMBER_OF_PORTS || !ports[dev].enabled) { @@ -627,7 +628,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) ret = 0; out: - unlock_kernel(); + mutex_unlock(&sync_serial_mutex); return ret; } @@ -962,9 +963,9 @@ static long sync_serial_ioctl(struct file *file, { long ret; - lock_kernel(); + mutex_lock(&sync_serial_mutex); ret = sync_serial_ioctl_unlocked(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&sync_serial_mutex); return ret; } diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c index dcb43fddfb99..c03bc3bc30c2 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -3140,9 +3140,9 @@ cryptocop_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) struct inode *inode = file->f_path.dentry->d_inode; long ret; - lock_kernel(); + mutex_lock(&cryptocop_mutex); ret = cryptocop_ioctl_unlocked(inode, filp, cmd, arg); - unlock_kernel(); + mutex_unlock(&cryptocop_mutex); return ret; } diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c index 06b24ebda410..c845831e2225 100644 --- a/arch/cris/arch-v32/drivers/mach-a3/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-a3/gpio.c @@ -23,7 +23,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <asm/etraxgpio.h> #include <hwregs/reg_map.h> @@ -66,6 +66,7 @@ static int dp_cnt; #define DP(x) #endif +static DEFINE_MUTEX(gpio_mutex); static char gpio_name[] = "etrax gpio"; #ifdef CONFIG_ETRAX_VIRTUAL_GPIO @@ -391,7 +392,7 @@ static int gpio_open(struct inode *inode, struct file *filp) if (!priv) return -ENOMEM; - lock_kernel(); + mutex_lock(&gpio_mutex); memset(priv, 0, sizeof(*priv)); priv->minor = p; @@ -414,7 +415,7 @@ static int gpio_open(struct inode *inode, struct file *filp) spin_unlock_irq(&gpio_lock); } - unlock_kernel(); + mutex_unlock(&gpio_mutex); return 0; } @@ -667,9 +668,9 @@ static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long ret; - lock_kernel(); + mutex_lock(&gpio_mutex); ret = gpio_ioctl_unlocked(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&gpio_mutex); return ret; } diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c index 0649c8bea676..ee90d2659be7 100644 --- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c +++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c @@ -22,7 +22,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <asm/etraxgpio.h> #include <hwregs/reg_map.h> @@ -64,6 +64,7 @@ static int dp_cnt; #define DP(x) #endif +static DEFINE_MUTEX(gpio_mutex); static char gpio_name[] = "etrax gpio"; #if 0 @@ -429,7 +430,7 @@ gpio_open(struct inode *inode, struct file *filp) if (!priv) return -ENOMEM; - lock_kernel(); + mutex_lock(&gpio_mutex); memset(priv, 0, sizeof(*priv)); priv->minor = p; @@ -450,7 +451,7 @@ gpio_open(struct inode *inode, struct file *filp) alarmlist = priv; spin_unlock_irq(&alarm_lock); - unlock_kernel(); + mutex_unlock(&gpio_mutex); return 0; } @@ -708,9 +709,9 @@ static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long ret; - lock_kernel(); + mutex_lock(&gpio_mutex); ret = gpio_ioctl_unlocked(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&gpio_mutex); return ret; } diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c index 0f7b101ee5ee..b6e4fc0aad42 100644 --- a/arch/cris/arch-v32/drivers/pcf8563.c +++ b/arch/cris/arch-v32/drivers/pcf8563.c @@ -24,7 +24,6 @@ #include <linux/init.h> #include <linux/fs.h> #include <linux/ioctl.h> -#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/bcd.h> #include <linux/mutex.h> @@ -45,6 +44,7 @@ #define rtc_read(x) i2c_readreg(RTC_I2C_READ, x) #define rtc_write(x,y) i2c_writereg(RTC_I2C_WRITE, x, y) +static DEFINE_MUTEX(pcf8563_mutex); static DEFINE_MUTEX(rtc_lock); /* Protect state etc */ static const unsigned char days_in_month[] = @@ -340,9 +340,9 @@ static long pcf8563_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned { int ret; - lock_kernel(); + mutex_lock(&pcf8563_mutex); return pcf8563_ioctl(filp, cmd, arg); - unlock_kernel(); + mutex_unlock(&pcf8563_mutex); return ret; } diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index a2e8a8c39856..c8637a9195ea 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -13,7 +13,7 @@ #include <linux/errno.h> #include <linux/major.h> #include <linux/sched.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include <linux/interrupt.h> #include <linux/poll.h> #include <linux/init.h> @@ -145,6 +145,7 @@ typedef struct sync_port spinlock_t lock; } sync_port; +static DEFINE_MUTEX(sync_serial_mutex); static int etrax_sync_serial_init(void); static void initialize_port(int portnbr); static inline int sync_data_avail(struct sync_port *port); @@ -435,7 +436,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) reg_dma_rw_cfg cfg = {.en = regk_dma_yes}; reg_dma_rw_intr_mask intr_mask = {.data = regk_dma_yes}; - lock_kernel(); + mutex_lock(&sync_serial_mutex); DEBUG(printk(KERN_DEBUG "Open sync serial port %d\n", dev)); if (dev < 0 || dev >= NBR_PORTS || !ports[dev].enabled) @@ -584,7 +585,7 @@ static int sync_serial_open(struct inode *inode, struct file *file) port->busy++; ret = 0; out: - unlock_kernel(); + mutex_unlock(&sync_serial_mutex); return ret; } @@ -967,9 +968,9 @@ static long sync_serial_ioctl(struct file *file, { long ret; - lock_kernel(); + mutex_lock(&sync_serial_mutex); ret = sync_serial_ioctl_unlocked(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&sync_serial_mutex); return ret; } diff --git a/arch/cris/include/arch-v10/arch/irqflags.h b/arch/cris/include/arch-v10/arch/irqflags.h new file mode 100644 index 000000000000..75ef18991240 --- /dev/null +++ b/arch/cris/include/arch-v10/arch/irqflags.h @@ -0,0 +1,45 @@ +#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H +#define __ASM_CRIS_ARCH_IRQFLAGS_H + +#include <linux/types.h> + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile("move $ccr,%0" : "=rm" (flags) : : "memory"); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + asm volatile("di" : : : "memory"); +} + +static inline void arch_local_irq_enable(void) +{ + asm volatile("ei" : : : "memory"); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile("move %0,$ccr" : : "rm" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & (1 << 5)); +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */ diff --git a/arch/cris/include/arch-v10/arch/system.h b/arch/cris/include/arch-v10/arch/system.h index 4a9cd36c9e16..935fde34aa15 100644 --- a/arch/cris/include/arch-v10/arch/system.h +++ b/arch/cris/include/arch-v10/arch/system.h @@ -44,20 +44,4 @@ static inline unsigned long _get_base(char * addr) struct __xchg_dummy { unsigned long a[100]; }; #define __xg(x) ((struct __xchg_dummy *)(x)) -/* interrupt control.. */ -#define local_save_flags(x) __asm__ __volatile__ ("move $ccr,%0" : "=rm" (x) : : "memory"); -#define local_irq_restore(x) __asm__ __volatile__ ("move %0,$ccr" : : "rm" (x) : "memory"); -#define local_irq_disable() __asm__ __volatile__ ( "di" : : :"memory"); -#define local_irq_enable() __asm__ __volatile__ ( "ei" : : :"memory"); - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - local_save_flags(flags); \ - !(flags & (1<<5)); \ -}) - -/* For spinlocks etc */ -#define local_irq_save(x) __asm__ __volatile__ ("move $ccr,%0\n\tdi" : "=rm" (x) : : "memory"); - #endif diff --git a/arch/cris/include/arch-v32/arch/irqflags.h b/arch/cris/include/arch-v32/arch/irqflags.h new file mode 100644 index 000000000000..041851f8ec6f --- /dev/null +++ b/arch/cris/include/arch-v32/arch/irqflags.h @@ -0,0 +1,46 @@ +#ifndef __ASM_CRIS_ARCH_IRQFLAGS_H +#define __ASM_CRIS_ARCH_IRQFLAGS_H + +#include <linux/types.h> +#include <arch/ptrace.h> + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile("move $ccs,%0" : "=rm" (flags) : : "memory"); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + asm volatile("di" : : : "memory"); +} + +static inline void arch_local_irq_enable(void) +{ + asm volatile("ei" : : : "memory"); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile("move %0,$ccs" : : "rm" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & (1 << I_CCS_BITNR)); +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* __ASM_CRIS_ARCH_IRQFLAGS_H */ diff --git a/arch/cris/include/arch-v32/arch/system.h b/arch/cris/include/arch-v32/arch/system.h index 6ca90f1f110a..76cea99eaa60 100644 --- a/arch/cris/include/arch-v32/arch/system.h +++ b/arch/cris/include/arch-v32/arch/system.h @@ -44,26 +44,4 @@ static inline unsigned long rdsp(void) struct __xchg_dummy { unsigned long a[100]; }; #define __xg(x) ((struct __xchg_dummy *)(x)) -/* Used for interrupt control. */ -#define local_save_flags(x) \ - __asm__ __volatile__ ("move $ccs, %0" : "=rm" (x) : : "memory"); - -#define local_irq_restore(x) \ - __asm__ __volatile__ ("move %0, $ccs" : : "rm" (x) : "memory"); - -#define local_irq_disable() __asm__ __volatile__ ("di" : : : "memory"); -#define local_irq_enable() __asm__ __volatile__ ("ei" : : : "memory"); - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - \ - local_save_flags(flags);\ - !(flags & (1 << I_CCS_BITNR)); \ -}) - -/* Used for spinlocks, etc. */ -#define local_irq_save(x) \ - __asm__ __volatile__ ("move $ccs, %0\n\tdi" : "=rm" (x) : : "memory"); - #endif /* _ASM_CRIS_ARCH_SYSTEM_H */ diff --git a/arch/cris/include/asm/irqflags.h b/arch/cris/include/asm/irqflags.h new file mode 100644 index 000000000000..943ba5ca6d2c --- /dev/null +++ b/arch/cris/include/asm/irqflags.h @@ -0,0 +1 @@ +#include <arch/irqflags.h> diff --git a/arch/cris/include/asm/system.h b/arch/cris/include/asm/system.h index 8657b084a922..ea10592f7d75 100644 --- a/arch/cris/include/asm/system.h +++ b/arch/cris/include/asm/system.h @@ -1,6 +1,7 @@ #ifndef __ASM_CRIS_SYSTEM_H #define __ASM_CRIS_SYSTEM_H +#include <linux/irqflags.h> #include <arch/system.h> /* the switch_to macro calls resume, an asm function in entry.S which does the actual |