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authorDavid S. Miller <davem@davemloft.net>2012-05-13 13:23:16 -0700
committerDavid S. Miller <davem@davemloft.net>2012-05-13 13:23:16 -0700
commit679bea5e438df70b5d4348fd2da4501aaeacebe0 (patch)
tree476c87af4c16b665d0f6bd8c3067f10b47507746 /arch/sparc/include/asm/floppy_64.h
parentf613914efcc566245cd605bde6943fb5c2cd4ba3 (diff)
downloadlinux-679bea5e438df70b5d4348fd2da4501aaeacebe0.tar.gz
sparc: Kill mmu_{un,}lockarea().
These were used on sun4c during floppy data transfers since on that
chip we had to lock the cpu mappings into the TLB because we cannot
take a TLB miss during the assembler floppy interrupt handler that
does the data transfer.

That is no longer necessary since we've removed sun4c support, thus
this stuff can disappear completely.

Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/floppy_64.h')
-rw-r--r--arch/sparc/include/asm/floppy_64.h7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index bcef1f5a2a6d..d534c276d706 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -161,10 +161,7 @@ unsigned long pdma_areasize;
 static void sun_fd_disable_dma(void)
 {
 	doing_pdma = 0;
-	if (pdma_base) {
-		mmu_unlockarea(pdma_base, pdma_areasize);
-		pdma_base = NULL;
-	}
+	pdma_base = NULL;
 }
 
 static void sun_fd_set_dma_mode(int mode)
@@ -194,7 +191,7 @@ static void sun_fd_set_dma_count(int length)
 
 static void sun_fd_enable_dma(void)
 {
-	pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size);
+	pdma_vaddr = pdma_vaddr;
 	pdma_base = pdma_vaddr;
 	pdma_areasize = pdma_size;
 }