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usb: ums: allows using every mmc device with ums.

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Before this change ums command only allowed use of mmc 0.
Now this argument can be set.

Changes:
- remove mmc device number checking because it is always positive number
- remove printing "no such device" - it is done by find_mmc_device()

Change-Id: I767e45151ad515c7bef19e6c13087374f5e23c11
Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Marek Vasut <marex@denx.de>
This commit is contained in:
Przemyslaw Marczak 2013-10-23 14:30:43 +02:00 committed by Marek Vasut
parent 93c813b3ac
commit f4dacf7b95
1 changed files with 5 additions and 10 deletions
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15
common/cmd_usb_mass_storage.c
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@ -20,10 +20,11 @@ int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
const char *usb_controller = argv[1];
const char *mmc_devstring = argv[2];
unsigned int dev_num = (unsigned int)(simple_strtoul(mmc_devstring,
NULL, 0));
if (dev_num)
return CMD_RET_USAGE;
unsigned int dev_num = simple_strtoul(mmc_devstring, NULL, 0);
struct ums *ums = ums_init(dev_num);
if (!ums)
return CMD_RET_FAILURE;
unsigned int controller_index = (unsigned int)(simple_strtoul(
usb_controller, NULL, 0));
@ -32,12 +33,6 @@ int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
return CMD_RET_FAILURE;
}
struct ums *ums = ums_init(dev_num);
if (!ums) {
printf("MMC: %u no such device\n", dev_num);
return CMD_RET_FAILURE;
}
int rc = fsg_init(ums);
if (rc) {
error("fsg_init failed");