commit 52e27782e1c4afa1feca0fdf194d279595e0431c
author Paul Mundt <lethal@linux-sh.org> Tue Nov 21 11:09:41 2006 +0900
committer Paul Mundt <lethal@linux-sh.org> Wed Dec 06 10:45:37 2006 +0900
tree 073202ce4920cad4f524d47faac8f9e886546580
parent 21440cf04a64cd1b1209c12a6e1a3afba2a28709

sh: p3map_sem sem2mutex conversion.

Simple sem2mutex conversion for the p3map semaphores.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/mm/cache-sh4.c

diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index e48cc22..7e62ba0 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -11,12 +11,8 @@
  */
 #include <linux/init.h>
 #include <linux/mm.h>
-#include <asm/addrspace.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/pgalloc.h>
+#include <linux/io.h>
+#include <linux/mutex.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 
@@ -83,9 +79,9 @@
  */
 
 /* Worst case assumed to be 64k cache, direct-mapped i.e. 4 synonym bits. */
-#define MAX_P3_SEMAPHORES 16
+#define MAX_P3_MUTEXES 16
 
-struct semaphore p3map_sem[MAX_P3_SEMAPHORES];
+struct mutex p3map_mutex[MAX_P3_MUTEXES];
 
 void __init p3_cache_init(void)
 {
@@ -115,7 +111,7 @@
 		panic("%s failed.", __FUNCTION__);
 
 	for (i = 0; i < cpu_data->dcache.n_aliases; i++)
-		sema_init(&p3map_sem[i], 1);
+		mutex_init(&p3map_mutex[i]);
 }
 
 /*

arch/sh/mm/pg-sh4.c

diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
index e973ac3..3f98d2a 100644
--- a/arch/sh/mm/pg-sh4.c
+++ b/arch/sh/mm/pg-sh4.c
@@ -6,22 +6,12 @@
  *
  * Released under the terms of the GNU GPL v2.0.
  */
-#include <linux/init.h>
-#include <linux/mman.h>
 #include <linux/mm.h>
-#include <linux/threads.h>
-#include <asm/addrspace.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/cache.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
+#include <linux/mutex.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 
-extern struct semaphore p3map_sem[];
+extern struct mutex p3map_mutex[];
 
 #define CACHE_ALIAS (cpu_data->dcache.alias_mask)
 
@@ -47,7 +37,7 @@
 		unsigned long flags;
 
 		entry = pfn_pte(phys_addr >> PAGE_SHIFT, PAGE_KERNEL);
-		down(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+		mutex_lock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
 		set_pte(pte, entry);
 		local_irq_save(flags);
 		__flush_tlb_page(get_asid(), p3_addr);
@@ -55,7 +45,7 @@
 		update_mmu_cache(NULL, p3_addr, entry);
 		__clear_user_page((void *)p3_addr, to);
 		pte_clear(&init_mm, p3_addr, pte);
-		up(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+		mutex_unlock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
 	}
 }
 
@@ -83,7 +73,7 @@
 		unsigned long flags;
 
 		entry = pfn_pte(phys_addr >> PAGE_SHIFT, PAGE_KERNEL);
-		down(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+		mutex_lock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
 		set_pte(pte, entry);
 		local_irq_save(flags);
 		__flush_tlb_page(get_asid(), p3_addr);
@@ -91,7 +81,7 @@
 		update_mmu_cache(NULL, p3_addr, entry);
 		__copy_user_page((void *)p3_addr, from, to);
 		pte_clear(&init_mm, p3_addr, pte);
-		up(&p3map_sem[(address & CACHE_ALIAS)>>12]);
+		mutex_unlock(&p3map_mutex[(address & CACHE_ALIAS)>>12]);
 	}
 }
 
@@ -114,4 +104,3 @@
 	}
 	return pte;
 }
-