dm: scsi: Adjust return value of scsi_exec()

Change this function to return an error number instead of true/false.
This allows us to return a proper error number.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2017-06-14 21:28:44 -06:00
parent f6ab5a92ac
commit f6580ef39b
2 changed files with 7 additions and 7 deletions

View file

@ -960,14 +960,14 @@ static int ahci_scsi_exec(struct udevice *dev, struct scsi_cmd *pccb)
break;
default:
printf("Unsupport SCSI command 0x%02x\n", pccb->cmd[0]);
return false;
return -ENOTSUPP;
}
if (ret) {
debug("SCSI command 0x%02x ret errno %d\n", pccb->cmd[0], ret);
return false;
return ret;
}
return true;
return 0;
}

View file

@ -368,7 +368,7 @@ static int scsi_read_capacity(struct udevice *dev, struct scsi_cmd *pccb,
pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
pccb->datalen = 8;
if (scsi_exec(dev, pccb) != true)
if (scsi_exec(dev, pccb))
return 1;
*capacity = ((lbaint_t)pccb->pdata[0] << 24) |
@ -393,7 +393,7 @@ static int scsi_read_capacity(struct udevice *dev, struct scsi_cmd *pccb,
pccb->msgout[0] = SCSI_IDENTIFY; /* NOT USED */
pccb->datalen = 16;
if (scsi_exec(dev, pccb) != true)
if (scsi_exec(dev, pccb))
return 1;
*capacity = ((uint64_t)pccb->pdata[0] << 56) |
@ -499,7 +499,7 @@ static int scsi_detect_dev(struct udevice *dev, int target, int lun,
pccb->pdata = (unsigned char *)&tempbuff;
pccb->datalen = 512;
scsi_setup_inquiry(pccb);
if (scsi_exec(dev, pccb) != true) {
if (scsi_exec(dev, pccb)) {
if (pccb->contr_stat == SCSI_SEL_TIME_OUT) {
/*
* selection timeout => assuming no
@ -530,7 +530,7 @@ static int scsi_detect_dev(struct udevice *dev, int target, int lun,
pccb->datalen = 0;
scsi_setup_test_unit_ready(pccb);
if (scsi_exec(dev, pccb) != true) {
if (scsi_exec(dev, pccb)) {
if (dev_desc->removable) {
dev_desc->type = perq;
goto removable;