From 3a0086a80ab7c2f1adb0e9b2a6fc82632979cec5 Mon Sep 17 00:00:00 2001
From: "Salyzyn, Mark" <Mark_Salyzyn@adaptec.com>
Date: Fri, 11 Jan 2008 11:46:44 -0800
Subject: [PATCH] [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>
---
 drivers/scsi/aacraid/aachba.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 3cddcc0901..970a8d9910 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -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);
 
 }
-- 
2.39.5