ums: allow the user to specify the device type
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>
diff --git a/common/cmd_usb_mass_storage.c b/common/cmd_usb_mass_storage.c
index 5e02116..2c879ea 100644
--- a/common/cmd_usb_mass_storage.c
+++ b/common/cmd_usb_mass_storage.c
@@ -77,8 +77,13 @@
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 @@
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"
);