scsi: libsas: Remove scsi_to_u32()

Since the function scsi_to_u32() is identical to get_unaligned_be32(),
change all scsi_to_u32() calls into get_unaligned_be32() calls.

Cc: Jian Luo <luojian5@huawei.com>
Cc: John Garry <john.garry@huawei.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 83e3715..b13b245 100644 (file)
--- 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"
 
@@ -696,10 +697,10 @@ 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(req);

diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index eb7853c..5339baa 100644 (file)
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -274,10 +274,4 @@ static inline int scsi_is_wlun(u64 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];
-}
-
 #endif /* _SCSI_SCSI_H */