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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-04-19 17:17:34 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-04-19 17:17:34 +0100
commitcf816ecb533ab96b883dfdc0db174598b5b5c4d2 (patch)
tree1b7705db288ae2917105e624b01fdf81e0882bf1 /include/asm-arm
parentadf6d34e460387ee3e8f1e1875d52bff51212c7d (diff)
parent15f7d677ccff6f0f5de8a1ee43a792567e9f9de9 (diff)
Merge branch 'merge-fixes' into devel
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-iop13xx/adma.h5
-rw-r--r--include/asm-arm/arch-s3c2410/spi.h1
-rw-r--r--include/asm-arm/hardware/iop3xx-adma.h8
-rw-r--r--include/asm-arm/hardware/iop_adma.h2
-rw-r--r--include/asm-arm/ide.h8
-rw-r--r--include/asm-arm/semaphore-helper.h84
-rw-r--r--include/asm-arm/semaphore.h99
7 files changed, 2 insertions, 205 deletions
diff --git a/include/asm-arm/arch-iop13xx/adma.h b/include/asm-arm/arch-iop13xx/adma.h
index efd9a5eb100..90d14ee564f 100644
--- a/include/asm-arm/arch-iop13xx/adma.h
+++ b/include/asm-arm/arch-iop13xx/adma.h
@@ -454,11 +454,6 @@ static inline void iop_chan_append(struct iop_adma_chan *chan)
__raw_writel(adma_accr, ADMA_ACCR(chan));
}
-static inline void iop_chan_idle(int busy, struct iop_adma_chan *chan)
-{
- do { } while (0);
-}
-
static inline u32 iop_chan_get_status(struct iop_adma_chan *chan)
{
return __raw_readl(ADMA_ACSR(chan));
diff --git a/include/asm-arm/arch-s3c2410/spi.h b/include/asm-arm/arch-s3c2410/spi.h
index 7ca0ed97a6d..352d33860b6 100644
--- a/include/asm-arm/arch-s3c2410/spi.h
+++ b/include/asm-arm/arch-s3c2410/spi.h
@@ -15,6 +15,7 @@
struct s3c2410_spi_info {
unsigned long pin_cs; /* simple gpio cs */
+ unsigned int num_cs; /* total chipselects */
void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol);
};
diff --git a/include/asm-arm/hardware/iop3xx-adma.h b/include/asm-arm/hardware/iop3xx-adma.h
index 5c529e6a5e3..84d635b0a71 100644
--- a/include/asm-arm/hardware/iop3xx-adma.h
+++ b/include/asm-arm/hardware/iop3xx-adma.h
@@ -767,20 +767,12 @@ static inline int iop_desc_get_zero_result(struct iop_adma_desc_slot *desc)
static inline void iop_chan_append(struct iop_adma_chan *chan)
{
u32 dma_chan_ctrl;
- /* workaround dropped interrupts on 3xx */
- mod_timer(&chan->cleanup_watchdog, jiffies + msecs_to_jiffies(3));
dma_chan_ctrl = __raw_readl(DMA_CCR(chan));
dma_chan_ctrl |= 0x2;
__raw_writel(dma_chan_ctrl, DMA_CCR(chan));
}
-static inline void iop_chan_idle(int busy, struct iop_adma_chan *chan)
-{
- if (!busy)
- del_timer(&chan->cleanup_watchdog);
-}
-
static inline u32 iop_chan_get_status(struct iop_adma_chan *chan)
{
return __raw_readl(DMA_CSR(chan));
diff --git a/include/asm-arm/hardware/iop_adma.h b/include/asm-arm/hardware/iop_adma.h
index ca8e71f4434..cb7e3611bcb 100644
--- a/include/asm-arm/hardware/iop_adma.h
+++ b/include/asm-arm/hardware/iop_adma.h
@@ -51,7 +51,6 @@ struct iop_adma_device {
* @common: common dmaengine channel object members
* @last_used: place holder for allocation to continue from where it left off
* @all_slots: complete domain of slots usable by the channel
- * @cleanup_watchdog: workaround missed interrupts on iop3xx
* @slots_allocated: records the actual size of the descriptor slot pool
* @irq_tasklet: bottom half where iop_adma_slot_cleanup runs
*/
@@ -65,7 +64,6 @@ struct iop_adma_chan {
struct dma_chan common;
struct iop_adma_desc_slot *last_used;
struct list_head all_slots;
- struct timer_list cleanup_watchdog;
int slots_allocated;
struct tasklet_struct irq_tasklet;
};
diff --git a/include/asm-arm/ide.h b/include/asm-arm/ide.h
index f348fcf3150..88f4d231ce4 100644
--- a/include/asm-arm/ide.h
+++ b/include/asm-arm/ide.h
@@ -17,14 +17,6 @@
#define MAX_HWIFS 4
#endif
-#if !defined(CONFIG_ARCH_L7200)
-# ifdef CONFIG_ARCH_CLPS7500
-# define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
-# else
-# define ide_default_io_ctl(base) (0)
-# endif
-#endif /* !ARCH_L7200 */
-
#define __ide_mm_insw(port,addr,len) readsw(port,addr,len)
#define __ide_mm_insl(port,addr,len) readsl(port,addr,len)
#define __ide_mm_outsw(port,addr,len) writesw(port,addr,len)
diff --git a/include/asm-arm/semaphore-helper.h b/include/asm-arm/semaphore-helper.h
deleted file mode 100644
index 1d7f1987edb..00000000000
--- a/include/asm-arm/semaphore-helper.h
+++ /dev/null
@@ -1,84 +0,0 @@
-#ifndef ASMARM_SEMAPHORE_HELPER_H
-#define ASMARM_SEMAPHORE_HELPER_H
-
-/*
- * These two _must_ execute atomically wrt each other.
- */
-static inline void wake_one_more(struct semaphore * sem)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&semaphore_wake_lock, flags);
- if (atomic_read(&sem->count) <= 0)
- sem->waking++;
- spin_unlock_irqrestore(&semaphore_wake_lock, flags);
-}
-
-static inline int waking_non_zero(struct semaphore *sem)
-{
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&semaphore_wake_lock, flags);
- if (sem->waking > 0) {
- sem->waking--;
- ret = 1;
- }
- spin_unlock_irqrestore(&semaphore_wake_lock, flags);
- return ret;
-}
-
-/*
- * waking non zero interruptible
- * 1 got the lock
- * 0 go to sleep
- * -EINTR interrupted
- *
- * We must undo the sem->count down_interruptible() increment while we are
- * protected by the spinlock in order to make this atomic_inc() with the
- * atomic_read() in wake_one_more(), otherwise we can race. -arca
- */
-static inline int waking_non_zero_interruptible(struct semaphore *sem,
- struct task_struct *tsk)
-{
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&semaphore_wake_lock, flags);
- if (sem->waking > 0) {
- sem->waking--;
- ret = 1;
- } else if (signal_pending(tsk)) {
- atomic_inc(&sem->count);
- ret = -EINTR;
- }
- spin_unlock_irqrestore(&semaphore_wake_lock, flags);
- return ret;
-}
-
-/*
- * waking_non_zero_try_lock:
- * 1 failed to lock
- * 0 got the lock
- *
- * We must undo the sem->count down_interruptible() increment while we are
- * protected by the spinlock in order to make this atomic_inc() with the
- * atomic_read() in wake_one_more(), otherwise we can race. -arca
- */
-static inline int waking_non_zero_trylock(struct semaphore *sem)
-{
- unsigned long flags;
- int ret = 1;
-
- spin_lock_irqsave(&semaphore_wake_lock, flags);
- if (sem->waking <= 0)
- atomic_inc(&sem->count);
- else {
- sem->waking--;
- ret = 0;
- }
- spin_unlock_irqrestore(&semaphore_wake_lock, flags);
- return ret;
-}
-
-#endif
diff --git a/include/asm-arm/semaphore.h b/include/asm-arm/semaphore.h
index 1c8b441f89e..d9b2034ed1d 100644
--- a/include/asm-arm/semaphore.h
+++ b/include/asm-arm/semaphore.h
@@ -1,98 +1 @@
-/*
- * linux/include/asm-arm/semaphore.h
- */
-#ifndef __ASM_ARM_SEMAPHORE_H
-#define __ASM_ARM_SEMAPHORE_H
-
-#include <linux/linkage.h>
-#include <linux/spinlock.h>
-#include <linux/wait.h>
-#include <linux/rwsem.h>
-
-#include <asm/atomic.h>
-#include <asm/locks.h>
-
-struct semaphore {
- atomic_t count;
- int sleepers;
- wait_queue_head_t wait;
-};
-
-#define __SEMAPHORE_INIT(name, cnt) \
-{ \
- .count = ATOMIC_INIT(cnt), \
- .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), \
-}
-
-#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
- struct semaphore name = __SEMAPHORE_INIT(name,count)
-
-#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
-
-static inline void sema_init(struct semaphore *sem, int val)
-{
- atomic_set(&sem->count, val);
- sem->sleepers = 0;
- init_waitqueue_head(&sem->wait);
-}
-
-static inline void init_MUTEX(struct semaphore *sem)
-{
- sema_init(sem, 1);
-}
-
-static inline void init_MUTEX_LOCKED(struct semaphore *sem)
-{
- sema_init(sem, 0);
-}
-
-/*
- * special register calling convention
- */
-asmlinkage void __down_failed(void);
-asmlinkage int __down_interruptible_failed(void);
-asmlinkage int __down_trylock_failed(void);
-asmlinkage void __up_wakeup(void);
-
-extern void __down(struct semaphore * sem);
-extern int __down_interruptible(struct semaphore * sem);
-extern int __down_trylock(struct semaphore * sem);
-extern void __up(struct semaphore * sem);
-
-/*
- * This is ugly, but we want the default case to fall through.
- * "__down" is the actual routine that waits...
- */
-static inline void down(struct semaphore * sem)
-{
- might_sleep();
- __down_op(sem, __down_failed);
-}
-
-/*
- * This is ugly, but we want the default case to fall through.
- * "__down_interruptible" is the actual routine that waits...
- */
-static inline int down_interruptible (struct semaphore * sem)
-{
- might_sleep();
- return __down_op_ret(sem, __down_interruptible_failed);
-}
-
-static inline int down_trylock(struct semaphore *sem)
-{
- return __down_op_ret(sem, __down_trylock_failed);
-}
-
-/*
- * Note! This is subtle. We jump to wake people up only if
- * the semaphore was negative (== somebody was waiting on it).
- * The default case (no contention) will result in NO
- * jumps for both down() and up().
- */
-static inline void up(struct semaphore * sem)
-{
- __up_op(sem, __up_wakeup);
-}
-
-#endif
+#include <linux/semaphore.h>