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dm: scsi: Adjust the 'scsi' command to use blk_common_cmd()

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Instead of having separate code in the 'scsi' command, adjust it to use
the common function.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2017-07-29 11:34:56 -06:00 committed by Jaehoon Chung
parent e29e71e93a
commit 1eaadd3423
1 changed files with 3 additions and 76 deletions
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79
cmd/scsi.c
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@ -29,11 +29,7 @@ static int do_scsi(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
switch (argc) {
case 0:
case 1:
return CMD_RET_USAGE;
case 2:
if (argc == 2) {
if (strncmp(argv[1], "res", 3) == 0) {
printf("\nReset SCSI\n");
#ifndef CONFIG_DM_SCSI
@ -44,84 +40,15 @@ static int do_scsi(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
return CMD_RET_FAILURE;
return ret;
}
if (strncmp(argv[1], "inf", 3) == 0) {
blk_list_devices(IF_TYPE_SCSI);
return 0;
}
if (strncmp(argv[1], "dev", 3) == 0) {
if (blk_print_device_num(IF_TYPE_SCSI, scsi_curr_dev)) {
printf("\nno SCSI devices available\n");
return CMD_RET_FAILURE;
}
return 0;
}
if (strncmp(argv[1], "scan", 4) == 0) {
ret = scsi_scan(true);
if (ret)
return CMD_RET_FAILURE;
return ret;
}
if (strncmp(argv[1], "part", 4) == 0) {
if (blk_list_part(IF_TYPE_SCSI))
printf("\nno SCSI devices available\n");
return 0;
}
return CMD_RET_USAGE;
case 3:
if (strncmp(argv[1], "dev", 3) == 0) {
int dev = (int)simple_strtoul(argv[2], NULL, 10);
}
if (!blk_show_device(IF_TYPE_SCSI, dev)) {
scsi_curr_dev = dev;
printf("... is now current device\n");
} else {
return CMD_RET_FAILURE;
}
return 0;
}
if (strncmp(argv[1], "part", 4) == 0) {
int dev = (int)simple_strtoul(argv[2], NULL, 10);
if (blk_print_part_devnum(IF_TYPE_SCSI, dev)) {
printf("\nSCSI device %d not available\n",
dev);
return CMD_RET_FAILURE;
}
return 0;
}
return CMD_RET_USAGE;
default:
/* at least 4 args */
if (strcmp(argv[1], "read") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong blk = simple_strtoul(argv[3], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
printf("\nSCSI read: device %d block # %ld, count %ld ... ",
scsi_curr_dev, blk, cnt);
n = blk_read_devnum(IF_TYPE_SCSI, scsi_curr_dev, blk,
cnt, (ulong *)addr);
printf("%ld blocks read: %s\n", n,
n == cnt ? "OK" : "ERROR");
return 0;
} else if (strcmp(argv[1], "write") == 0) {
ulong addr = simple_strtoul(argv[2], NULL, 16);
ulong blk = simple_strtoul(argv[3], NULL, 16);
ulong cnt = simple_strtoul(argv[4], NULL, 16);
ulong n;
printf("\nSCSI write: device %d block # %ld, count %ld ... ",
scsi_curr_dev, blk, cnt);
n = blk_write_devnum(IF_TYPE_SCSI, scsi_curr_dev, blk,
cnt, (ulong *)addr);
printf("%ld blocks written: %s\n", n,
n == cnt ? "OK" : "ERROR");
return 0;
}
} /* switch */
return CMD_RET_USAGE;
return blk_common_cmd(argc, argv, IF_TYPE_SCSI, &scsi_curr_dev);
}
U_BOOT_CMD(