[U-Boot] [RFC PATCH 4/5] scsi: Move pccb buffer initalization directly to scsi_detect_dev

[Michal Simek]

pccb is pointer to temporary buffer which is used only for sending
command. Make it local as is done in scsi_read/scsi_write.

Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 common/scsi.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/common/scsi.c b/common/scsi.c
index c8d43c5b188d..4ac31fe8118b 100644
--- a/common/scsi.c
+++ b/common/scsi.c
@@ -480,12 +480,14 @@ static void scsi_init_dev_desc(struct blk_desc *dev_desc, int devnum)
 #endif
 }
 
-static int scsi_detect_dev(ccb *pccb, struct blk_desc *dev_desc)
+static int scsi_detect_dev(int target, struct blk_desc *dev_desc)
 {
 	unsigned char perq, modi;
 	lbaint_t capacity;
 	unsigned long blksz;
+	ccb *pccb = (ccb *)&tempccb;
 
+	pccb->target = target;
 	pccb->lun = dev_desc->lun;
 	pccb->pdata = (unsigned char *)&tempbuff;
 	pccb->datalen = 512;
@@ -553,7 +555,6 @@ void scsi_scan(int mode)
 {
 	unsigned char i, lun;
 	int ret;
-	ccb *pccb = (ccb *)&tempccb;
 
 	if (mode == 1)
 		printf("scanning bus for devices...\n");
@@ -562,11 +563,9 @@ void scsi_scan(int mode)
 
 	scsi_max_devs = 0;
 	for (i = 0; i < CONFIG_SYS_SCSI_MAX_SCSI_ID; i++) {
-		pccb->target = i;
 		for (lun = 0; lun < CONFIG_SYS_SCSI_MAX_LUN; lun++) {
 			scsi_dev_desc[scsi_max_devs].lun = lun;
-			ret = scsi_detect_dev(pccb,
-					      &scsi_dev_desc[scsi_max_devs]);
+			ret = scsi_detect_dev(i, &scsi_dev_desc[scsi_max_devs]);
 			if (ret)
 				continue;
 
-- 
1.9.1