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[SCSI] aacraid: add call to flush_kernel_dcache_page 

Some architectures require a call to flush_kernel_dcache_page for
processor spoofed DMA operations.

Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Salyzyn, Mark 2008-01-11 11:46:44 -08:00 committed by James Bottomley
parent 984621b437
commit 3a0086a80a
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/aacraid/aachba.c
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@ -31,9 +31,9 @@
#include <linux/slab.h>
#include <linux/completion.h>
#include <linux/blkdev.h>
#include <linux/dma-mapping.h>
#include <asm/semaphore.h>
#include <asm/uaccess.h>
#include <linux/highmem.h> /* For flush_kernel_dcache_page */
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@ -366,6 +366,7 @@ static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigne
if (buf && transfer_len > 0)
memcpy(buf + offset, data, transfer_len);
flush_kernel_dcache_page(kmap_atomic_to_page(buf - sg->offset));
kunmap_atomic(buf - sg->offset, KM_IRQ0);
}