In most architectures current code is 50-90 times
slower than the proper Kernel's routines.
Signed-off-by: Boaz Harrosh <bharrosh@xxxxxxxxxxx>
---
drivers/scsi/libsas/sas_expander.c | 9 +++++----
include/scsi/scsi.h | 7 -------
2 files changed, 5 insertions(+), 11 deletions(-)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 505ffe3..ef63142 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -25,6 +25,7 @@
#include <linux/scatterlist.h>
#include <linux/blkdev.h>
#include <linux/slab.h>
+#include <asm/unaligned.h>
#include "sas_internal.h"
@@ -545,10 +546,10 @@ int sas_smp_get_phy_events(struct sas_phy *phy)
if (!res)
goto out;
- phy->invalid_dword_count = scsi_to_u32(&resp[12]);
- phy->running_disparity_error_count = scsi_to_u32(&resp[16]);
- phy->loss_of_dword_sync_count = scsi_to_u32(&resp[20]);
- phy->phy_reset_problem_count = scsi_to_u32(&resp[24]);
+ phy->invalid_dword_count = get_unaligned_be32(&resp[12]);
+ phy->running_disparity_error_count = get_unaligned_be32(&resp[16]);
+ phy->loss_of_dword_sync_count = get_unaligned_be32(&resp[20]);
+ phy->phy_reset_problem_count = get_unaligned_be32(&resp[24]);
out:
kfree(resp);
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index b217c7c..67ce303 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -474,13 +474,6 @@ static inline int scsi_is_wlun(unsigned int lun)
/* Used to obtain the PCI location of a device */
#define SCSI_IOCTL_GET_PCI 0x5387
-/* Pull a u32 out of a SCSI message (using BE SCSI conventions) */
-static inline __u32 scsi_to_u32(__u8 *ptr)
-{
- return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
-}
-
-
#ifdef __KERNEL__
struct scsi_cmnd;
--
1.7.2.3
--
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