[PATCH] xtensa: remove io_remap_page_range and minor clean-ups
Remove io_remap_page_range() from all of Linux 2.6.x (as requested and
suggested by Randy Dunlap) and minor clean-ups.
Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 09887c9..de19501 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -402,8 +402,8 @@
__pci_mmap_set_flags(dev, vma, mmap_state);
__pci_mmap_set_pgprot(dev, vma, mmap_state, write_combine);
- ret = io_remap_page_range(vma, vma->vm_start, vma->vm_pgoff<<PAGE_SHIFT,
- vma->vm_end - vma->vm_start, vma->vm_page_prot);
+ ret = io_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+ vma->vm_end - vma->vm_start,vma->vm_page_prot);
return ret;
}
diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c
index cf13627..03674da 100644
--- a/arch/xtensa/kernel/platform.c
+++ b/arch/xtensa/kernel/platform.c
@@ -39,7 +39,7 @@
_F(int, get_rtc_time, (time_t* t), { return 0; });
_F(int, set_rtc_time, (time_t t), { return 0; });
-#if CONFIG_XTENSA_CALIBRATE_CCOUNT
+#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
_F(void, calibrate_ccount, (void),
{
printk ("ERROR: Cannot calibrate cpu frequency! Assuming 100MHz.\n");
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index c83bb0d..08ef6d8 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -457,7 +457,7 @@
dump_task_fpu(struct pt_regs *regs, struct task_struct *task, elf_fpregset_t *r)
{
/* see asm/coprocessor.h for this magic number 16 */
-#if TOTAL_CPEXTRA_SIZE > 16
+#if XTENSA_CP_EXTRA_SIZE > 16
do_save_fpregs (r, regs, task);
/* For now, bit 16 means some extra state may be present: */
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 1f5bf5d..513ed8d 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -304,7 +304,7 @@
# endif
#endif
-#if CONFIG_PCI
+#ifdef CONFIG_PCI
platform_pcibios_init();
#endif
}
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index dc42ced..e252b61 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -182,7 +182,7 @@
struct task_struct *tsk = current;
release_all_cp(tsk);
- return __copy_from_user(tsk->thread.cpextra, buf, TOTAL_CPEXTRA_SIZE);
+ return __copy_from_user(tsk->thread.cpextra, buf, XTENSA_CP_EXTRA_SIZE);
#endif
return 0;
}
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 1ac7d5c..8e423d1 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -68,7 +68,7 @@
* speed for the CALIBRATE.
*/
-#if CONFIG_XTENSA_CALIBRATE_CCOUNT
+#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
printk("Calibrating CPU frequency ");
platform_calibrate_ccount();
printk("%d.%02d MHz\n", (int)ccount_per_jiffy/(1000000/HZ),
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 56aace8..5a91d6c 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -239,7 +239,7 @@
high_memory = (void *) __va(max_mapnr << PAGE_SHIFT);
highmemsize = 0;
-#if CONFIG_HIGHMEM
+#ifdef CONFIG_HIGHMEM
#error HIGHGMEM not implemented in init.c
#endif
diff --git a/include/asm-xtensa/atomic.h b/include/asm-xtensa/atomic.h
index 24f86f0..12b5732 100644
--- a/include/asm-xtensa/atomic.h
+++ b/include/asm-xtensa/atomic.h
@@ -22,7 +22,7 @@
#include <asm/processor.h>
#include <asm/system.h>
-#define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
+#define ATOMIC_INIT(i) { (i) }
/*
* This Xtensa implementation assumes that the right mechanism
diff --git a/include/asm-xtensa/bitops.h b/include/asm-xtensa/bitops.h
index d395ef2..e76ee88 100644
--- a/include/asm-xtensa/bitops.h
+++ b/include/asm-xtensa/bitops.h
@@ -174,7 +174,7 @@
return 1UL & (((const volatile unsigned int *)addr)[nr>>5] >> (nr&31));
}
-#if XCHAL_HAVE_NSAU
+#if XCHAL_HAVE_NSA
static __inline__ int __cntlz (unsigned long x)
{
diff --git a/include/asm-xtensa/hardirq.h b/include/asm-xtensa/hardirq.h
index e07c76c..aa9c1ad 100644
--- a/include/asm-xtensa/hardirq.h
+++ b/include/asm-xtensa/hardirq.h
@@ -23,6 +23,7 @@
unsigned int __nmi_count; /* arch dependent */
} ____cacheline_aligned irq_cpustat_t;
+void ack_bad_irq(unsigned int irq);
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
#endif /* _XTENSA_HARDIRQ_H */
diff --git a/include/asm-xtensa/semaphore.h b/include/asm-xtensa/semaphore.h
index db740b8..09e89ab 100644
--- a/include/asm-xtensa/semaphore.h
+++ b/include/asm-xtensa/semaphore.h
@@ -20,28 +20,19 @@
atomic_t count;
int sleepers;
wait_queue_head_t wait;
-#if WAITQUEUE_DEBUG
- long __magic;
-#endif
};
-#if WAITQUEUE_DEBUG
-# define __SEM_DEBUG_INIT(name) \
- , (int)&(name).__magic
-#else
-# define __SEM_DEBUG_INIT(name)
-#endif
+#define __SEMAPHORE_INITIALIZER(name,n) \
+{ \
+ .count = ATOMIC_INIT(n), \
+ .sleepers = 0, \
+ .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \
+}
-#define __SEMAPHORE_INITIALIZER(name,count) \
- { ATOMIC_INIT(count), \
- 0, \
- __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \
- __SEM_DEBUG_INIT(name) }
-
-#define __MUTEX_INITIALIZER(name) \
+#define __MUTEX_INITIALIZER(name) \
__SEMAPHORE_INITIALIZER(name, 1)
-#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
+#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
@@ -49,17 +40,8 @@
static inline void sema_init (struct semaphore *sem, int val)
{
-/*
- * *sem = (struct semaphore)__SEMAPHORE_INITIALIZER((*sem),val);
- *
- * i'd rather use the more flexible initialization above, but sadly
- * GCC 2.7.2.3 emits a bogus warning. EGCS doesnt. Oh well.
- */
atomic_set(&sem->count, val);
init_waitqueue_head(&sem->wait);
-#if WAITQUEUE_DEBUG
- sem->__magic = (int)&sem->__magic;
-#endif
}
static inline void init_MUTEX (struct semaphore *sem)
@@ -81,9 +63,7 @@
static inline void down(struct semaphore * sem)
{
-#if WAITQUEUE_DEBUG
- CHECK_MAGIC(sem->__magic);
-#endif
+ might_sleep();
if (atomic_sub_return(1, &sem->count) < 0)
__down(sem);
@@ -92,9 +72,8 @@
static inline int down_interruptible(struct semaphore * sem)
{
int ret = 0;
-#if WAITQUEUE_DEBUG
- CHECK_MAGIC(sem->__magic);
-#endif
+
+ might_sleep();
if (atomic_sub_return(1, &sem->count) < 0)
ret = __down_interruptible(sem);
@@ -104,9 +83,6 @@
static inline int down_trylock(struct semaphore * sem)
{
int ret = 0;
-#if WAITQUEUE_DEBUG
- CHECK_MAGIC(sem->__magic);
-#endif
if (atomic_sub_return(1, &sem->count) < 0)
ret = __down_trylock(sem);
@@ -119,9 +95,6 @@
*/
static inline void up(struct semaphore * sem)
{
-#if WAITQUEUE_DEBUG
- CHECK_MAGIC(sem->__magic);
-#endif
if (atomic_add_return(1, &sem->count) <= 0)
__up(sem);
}
diff --git a/include/asm-xtensa/system.h b/include/asm-xtensa/system.h
index f093932..9284867 100644
--- a/include/asm-xtensa/system.h
+++ b/include/asm-xtensa/system.h
@@ -189,20 +189,6 @@
#define tas(ptr) (xchg((ptr),1))
-#if ( __XCC__ == 1 )
-
-/* xt-xcc processes __inline__ differently than xt-gcc and decides to
- * insert an out-of-line copy of function __xchg. This presents the
- * unresolved symbol at link time of __xchg_called_with_bad_pointer,
- * even though such a function would never be called at run-time.
- * xt-gcc always inlines __xchg, and optimizes away the undefined
- * bad_pointer function.
- */
-
-#define xchg(ptr,x) xchg_u32(ptr,x)
-
-#else /* assume xt-gcc */
-
#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
/*
@@ -224,8 +210,6 @@
return x;
}
-#endif
-
extern void set_except_vector(int n, void *addr);
static inline void spill_registers(void)
