Move special preparation steps done before the call to usb_stor_test_unit_ready() inside the function itself for clarity and to allow futher code improvements. No functional change intended. Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> --- drivers/usb/storage/usb.c | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 05a3a03c4..52d4e24de 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -98,27 +98,31 @@ static int usb_stor_request_sense(ccb *srb, struct us_data *us) return 0; } -static int usb_stor_test_unit_ready(ccb *srb, struct us_data *us) +static int usb_stor_test_unit_ready(struct us_blk_dev *usb_blkdev) { + struct us_data *us = usb_blkdev->us; struct device_d *dev = &us->pusb_dev->dev; int retries, result; + ccb srb; + + srb.lun = usb_blkdev->lun; retries = 10; do { dev_dbg(dev, "SCSI_TST_U_RDY\n"); - memset(&srb->cmd[0], 0, 12); - srb->cmdlen = 12; - srb->cmd[0] = SCSI_TST_U_RDY; - srb->datalen = 0; - result = us->transport(srb, us); + memset(&srb.cmd[0], 0, 12); + srb.cmdlen = 12; + srb.cmd[0] = SCSI_TST_U_RDY; + srb.datalen = 0; + result = us->transport(&srb, us); dev_dbg(dev, "SCSI_TST_U_RDY returns %d\n", result); if (result == USB_STOR_TRANSPORT_GOOD) return 0; - usb_stor_request_sense(srb, us); + usb_stor_request_sense(&srb, us); mdelay(100); } while (retries--); - return -1; + return -ENODEV; } static int usb_stor_read_capacity(struct us_blk_dev *usb_blkdev, @@ -255,7 +259,7 @@ static int usb_stor_blk_io(int io_op, struct block_device *disk_dev, /* ensure unit ready */ dev_dbg(dev, "Testing for unit ready\n"); - if (usb_stor_test_unit_ready(&us_ccb, us)) { + if (usb_stor_test_unit_ready(pblk_dev)) { dev_dbg(dev, "Device NOT ready\n"); usb_disable_asynch(0); return -EIO; @@ -366,10 +370,10 @@ static int usb_stor_init_blkdev(struct us_blk_dev *pblk_dev) /* ensure unit ready */ dev_dbg(dev, "Testing for unit ready\n"); - us_ccb.datalen = 0; - if (usb_stor_test_unit_ready(&us_ccb, us)) { + + result = usb_stor_test_unit_ready(pblk_dev); + if (result) { dev_dbg(dev, "Device NOT ready\n"); - result = -ENODEV; goto Exit; } -- 2.20.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox