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authoradam radford <aradford@gmail.com>2006-02-05 14:51:43 -0800
committer <jejb@mulgrave.il.steeleye.com>2006-02-05 17:15:15 -0600
commit62288f105b3cad0b8643526d2a41b5503d0a1476 (patch)
tree748417665b1dc2717f7ce50208573c6993f973fd /drivers
parent40cdc840dc337cb17d81bcf028b40834e78c1038 (diff)
downloadop-kernel-dev-62288f105b3cad0b8643526d2a41b5503d0a1476.zip
op-kernel-dev-62288f105b3cad0b8643526d2a41b5503d0a1476.tar.gz
[SCSI] 3ware 9000 driver >4GB memory fix
The attached patch fixes a bug in the 3ware 9000 series driver: - Fix use_sg == 0 mapping on systems with 4GB or higher. This fixes REPORT_LUNS (0xa0) failing with 3ware 9000 controllers on systems with lots of ram, mentioned in bugzilla # 6009: http://bugzilla.kernel.org/show_bug.cgi?id=6009 Signed-off-by: Adam Radford <linuxraid@amcc.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/3w-9xxx.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 31c4975..d9152d0 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -61,6 +61,7 @@
Add support for embedded firmware error strings.
2.26.02.003 - Correctly handle single sgl's with use_sg=1.
2.26.02.004 - Add support for 9550SX controllers.
+ 2.26.02.005 - Fix use_sg == 0 mapping on systems with 4GB or higher.
*/
#include <linux/module.h>
@@ -84,7 +85,7 @@
#include "3w-9xxx.h"
/* Globals */
-#define TW_DRIVER_VERSION "2.26.02.004"
+#define TW_DRIVER_VERSION "2.26.02.005"
static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT];
static unsigned int twa_device_extension_count;
static int twa_major = -1;
@@ -1408,7 +1409,7 @@ static dma_addr_t twa_map_scsi_single_data(TW_Device_Extension *tw_dev, int requ
dma_addr_t mapping;
struct scsi_cmnd *cmd = tw_dev->srb[request_id];
struct pci_dev *pdev = tw_dev->tw_pci_dev;
- int retval = 0;
+ dma_addr_t retval = 0;
if (cmd->request_bufflen == 0) {
retval = 0;
@@ -1798,7 +1799,7 @@ static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
int i, sg_count;
struct scsi_cmnd *srb = NULL;
struct scatterlist *sglist = NULL;
- u32 buffaddr = 0x0;
+ dma_addr_t buffaddr = 0x0;
int retval = 1;
if (tw_dev->srb[request_id]) {
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