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ums: allow the user to specify the device type

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Allow an optional devtype parameter to the ums command, which specifies
the type of the device to be exported. This could allow exporting a SATA
or even another USB device.

Cc: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
This commit is contained in:
Stephen Warren 2014-05-05 10:40:18 -06:00 committed by Lukasz Majewski
parent 1725f12882
commit 8c6004568f
1 changed files with 10 additions and 4 deletions
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14
common/cmd_usb_mass_storage.c
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@ -77,8 +77,13 @@ int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
return CMD_RET_USAGE;
usb_controller = argv[1];
devtype = "mmc";
devnum = argv[2];
if (argc >= 4) {
devtype = argv[2];
devnum = argv[3];
} else {
devtype = "mmc";
devnum = argv[2];
}
ums = ums_init(devtype, devnum);
if (!ums)
@ -152,7 +157,8 @@ exit:
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(ums, CONFIG_SYS_MAXARGS, 1, do_usb_mass_storage,
U_BOOT_CMD(ums, 4, 1, do_usb_mass_storage,
"Use the UMS [User Mass Storage]",
"ums <USB_controller> <mmc_dev> e.g. ums 0 0"
"ums <USB_controller> [<devtype>] <devnum> e.g. ums 0 mmc 0\n"
" devtype defaults to mmc"
);