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-rw-r--r--arch/cris/arch-v10/drivers/ds1302.c8
-rw-r--r--arch/cris/arch-v10/drivers/gpio.c1
-rw-r--r--arch/cris/arch-v10/drivers/i2c.c1
-rw-r--r--arch/cris/arch-v10/drivers/pcf8563.c7
-rw-r--r--arch/cris/arch-v10/drivers/sync_serial.c14
-rw-r--r--arch/cris/arch-v32/drivers/cryptocop.c7
-rw-r--r--arch/cris/arch-v32/drivers/i2c.c1
-rw-r--r--arch/cris/arch-v32/drivers/mach-a3/gpio.c12
-rw-r--r--arch/cris/arch-v32/drivers/mach-fs/gpio.c12
-rw-r--r--arch/cris/arch-v32/drivers/pcf8563.c7
-rw-r--r--arch/cris/arch-v32/drivers/sync_serial.c14
-rw-r--r--arch/cris/include/arch-v10/arch/irqflags.h45
-rw-r--r--arch/cris/include/arch-v10/arch/system.h16
-rw-r--r--arch/cris/include/arch-v32/arch/irqflags.h46
-rw-r--r--arch/cris/include/arch-v32/arch/system.h22
-rw-r--r--arch/cris/include/asm/irqflags.h1
-rw-r--r--arch/cris/include/asm/system.h1
-rw-r--r--arch/cris/kernel/profile.c1
18 files changed, 144 insertions, 72 deletions
diff --git a/arch/cris/arch-v10/drivers/ds1302.c b/arch/cris/arch-v10/drivers/ds1302.c
index 884275629ef..3d655dcc65d 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;
}
@@ -387,6 +388,7 @@ print_rtc_status(void)
static const struct file_operations rtc_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = rtc_unlocked_ioctl,
+ .llseek = noop_llseek,
};
/* Probe for the chip by writing something to its RAM and try reading it back. */
diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c
index a07b6d25b0c..a276f081173 100644
--- a/arch/cris/arch-v10/drivers/gpio.c
+++ b/arch/cris/arch-v10/drivers/gpio.c
@@ -745,6 +745,7 @@ static const struct file_operations gpio_fops = {
.write = gpio_write,
.open = gpio_open,
.release = gpio_release,
+ .llseek = noop_llseek,
};
static void ioif_watcher(const unsigned int gpio_in_available,
diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c
index 77a94181381..c413539d420 100644
--- a/arch/cris/arch-v10/drivers/i2c.c
+++ b/arch/cris/arch-v10/drivers/i2c.c
@@ -617,6 +617,7 @@ static const struct file_operations i2c_fops = {
.unlocked_ioctl = i2c_ioctl,
.open = i2c_open,
.release = i2c_release,
+ .llseek = noop_llseek,
};
int __init
diff --git a/arch/cris/arch-v10/drivers/pcf8563.c b/arch/cris/arch-v10/drivers/pcf8563.c
index 7dcb1f85f42..ea69faba9b6 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[] =
@@ -64,6 +64,7 @@ static int voltage_low;
static const struct file_operations pcf8563_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = pcf8563_unlocked_ioctl,
+ .llseek = noop_llseek,
};
unsigned char
@@ -343,9 +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 ee2dd4323da..399dc1ec8e6 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);
@@ -250,7 +251,8 @@ static const struct file_operations sync_serial_fops = {
.poll = sync_serial_poll,
.unlocked_ioctl = sync_serial_ioctl,
.open = sync_serial_open,
- .release = sync_serial_release
+ .release = sync_serial_release,
+ .llseek = noop_llseek,
};
static int __init etrax_sync_serial_init(void)
@@ -445,7 +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) {
@@ -626,7 +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;
}
@@ -961,9 +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 b07646a3050..c03bc3bc30c 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -281,7 +281,8 @@ const struct file_operations cryptocop_fops = {
.owner = THIS_MODULE,
.open = cryptocop_open,
.release = cryptocop_release,
- .unlocked_ioctl = cryptocop_ioctl
+ .unlocked_ioctl = cryptocop_ioctl,
+ .llseek = noop_llseek,
};
@@ -3139,9 +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/i2c.c b/arch/cris/arch-v32/drivers/i2c.c
index 5a3e900c9a7..ddb23996f11 100644
--- a/arch/cris/arch-v32/drivers/i2c.c
+++ b/arch/cris/arch-v32/drivers/i2c.c
@@ -698,6 +698,7 @@ static const struct file_operations i2c_fops = {
.unlocked_ioctl = i2c_ioctl,
.open = i2c_open,
.release = i2c_release,
+ .llseek = noop_llseek,
};
static int __init i2c_init(void)
diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
index 2dcd27adbad..c845831e222 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;
}
@@ -893,6 +894,7 @@ static const struct file_operations gpio_fops = {
.write = gpio_write,
.open = gpio_open,
.release = gpio_release,
+ .llseek = noop_llseek,
};
#ifdef CONFIG_ETRAX_VIRTUAL_GPIO
diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
index 5ec8a7d4e7d..ee90d2659be 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;
}
@@ -870,6 +871,7 @@ static const struct file_operations gpio_fops = {
.write = gpio_write,
.open = gpio_open,
.release = gpio_release,
+ .llseek = noop_llseek,
};
#ifdef CONFIG_ETRAX_VIRTUAL_GPIO
diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c
index bef6eb53b15..b6e4fc0aad4 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[] =
@@ -60,6 +60,7 @@ static int voltage_low;
static const struct file_operations pcf8563_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = pcf8563_unlocked_ioctl,
+ .llseek = noop_llseek,
};
unsigned char
@@ -339,9 +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 ca248f3adb8..c8637a9195e 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);
@@ -247,7 +248,8 @@ static const struct file_operations sync_serial_fops = {
.poll = sync_serial_poll,
.unlocked_ioctl = sync_serial_ioctl,
.open = sync_serial_open,
- .release = sync_serial_release
+ .release = sync_serial_release,
+ .llseek = noop_llseek,
};
static int __init etrax_sync_serial_init(void)
@@ -434,7 +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)
@@ -583,7 +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;
}
@@ -966,9 +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 00000000000..75ef1899124
--- /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 4a9cd36c9e1..935fde34aa1 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 00000000000..041851f8ec6
--- /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 6ca90f1f110..76cea99eaa6 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 00000000000..943ba5ca6d2
--- /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 8657b084a92..ea10592f7d7 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
diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c
index 195ec5fa0dd..b82e08615d1 100644
--- a/arch/cris/kernel/profile.c
+++ b/arch/cris/kernel/profile.c
@@ -59,6 +59,7 @@ write_cris_profile(struct file *file, const char __user *buf,
static const struct file_operations cris_proc_profile_operations = {
.read = read_cris_profile,
.write = write_cris_profile,
+ .llseek = default_llseek,
};
static int __init init_cris_profile(void)