Remove the cmd_ prefix from command files

Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the
way.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>

cmd/usb_mass_storage.c

@@ -0,0 +1,235 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics
+ * Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <errno.h>
+#include <common.h>
+#include <command.h>
+#include <console.h>
+#include <g_dnl.h>
+#include <part.h>
+#include <usb.h>
+#include <usb_mass_storage.h>
+
+static int ums_read_sector(struct ums *ums_dev,
+			   ulong start, lbaint_t blkcnt, void *buf)
+{
+	block_dev_desc_t *block_dev = &ums_dev->block_dev;
+	lbaint_t blkstart = start + ums_dev->start_sector;
+
+	return block_dev->block_read(block_dev, blkstart, blkcnt, buf);
+}
+
+static int ums_write_sector(struct ums *ums_dev,
+			    ulong start, lbaint_t blkcnt, const void *buf)
+{
+	block_dev_desc_t *block_dev = &ums_dev->block_dev;
+	lbaint_t blkstart = start + ums_dev->start_sector;
+
+	return block_dev->block_write(block_dev, blkstart, blkcnt, buf);
+}
+
+static struct ums *ums;
+static int ums_count;
+
+static void ums_fini(void)
+{
+	int i;
+
+	for (i = 0; i < ums_count; i++)
+		free((void *)ums[i].name);
+	free(ums);
+	ums = 0;
+	ums_count = 0;
+}
+
+#define UMS_NAME_LEN 16
+
+static int ums_init(const char *devtype, const char *devnums)
+{
+	char *s, *t, *devnum, *name;
+	block_dev_desc_t *block_dev;
+	int ret;
+	struct ums *ums_new;
+
+	s = strdup(devnums);
+	if (!s)
+		return -1;
+
+	t = s;
+	ums_count = 0;
+
+	for (;;) {
+		devnum = strsep(&t, ",");
+		if (!devnum)
+			break;
+
+		ret = get_device(devtype, devnum, &block_dev);
+		if (ret < 0)
+			goto cleanup;
+
+		/* f_mass_storage.c assumes SECTOR_SIZE sectors */
+		if (block_dev->blksz != SECTOR_SIZE) {
+			ret = -1;
+			goto cleanup;
+		}
+
+		ums_new = realloc(ums, (ums_count + 1) * sizeof(*ums));
+		if (!ums_new) {
+			ret = -1;
+			goto cleanup;
+		}
+		ums = ums_new;
+
+		ums[ums_count].read_sector = ums_read_sector;
+		ums[ums_count].write_sector = ums_write_sector;
+		ums[ums_count].start_sector = 0;
+		ums[ums_count].num_sectors = block_dev->lba;
+		name = malloc(UMS_NAME_LEN);
+		if (!name) {
+			ret = -1;
+			goto cleanup;
+		}
+		snprintf(name, UMS_NAME_LEN, "UMS disk %d", ums_count);
+		ums[ums_count].name = name;
+		ums[ums_count].block_dev = *block_dev;
+
+		printf("UMS: LUN %d, dev %d, hwpart %d, sector %#x, count %#x\n",
+		       ums_count, ums[ums_count].block_dev.dev,
+		       ums[ums_count].block_dev.hwpart,
+		       ums[ums_count].start_sector,
+		       ums[ums_count].num_sectors);
+
+		ums_count++;
+	}
+
+	if (!ums_count)
+		ret = -1;
+	else
+		ret = 0;
+
+cleanup:
+	free(s);
+
+	if (ret < 0)
+		ums_fini();
+
+	return ret;
+}
+
+int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
+			       int argc, char * const argv[])
+{
+	const char *usb_controller;
+	const char *devtype;
+	const char *devnum;
+	unsigned int controller_index;
+	int rc;
+	int cable_ready_timeout __maybe_unused;
+
+	if (argc < 3)
+		return CMD_RET_USAGE;
+
+	usb_controller = argv[1];
+	if (argc >= 4) {
+		devtype = argv[2];
+		devnum  = argv[3];
+	} else {
+		devtype = "mmc";
+		devnum  = argv[2];
+	}
+
+	rc = ums_init(devtype, devnum);
+	if (rc < 0)
+		return CMD_RET_FAILURE;
+
+	controller_index = (unsigned int)(simple_strtoul(
+				usb_controller,	NULL, 0));
+	if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
+		error("Couldn't init USB controller.");
+		rc = CMD_RET_FAILURE;
+		goto cleanup_ums_init;
+	}
+
+	rc = fsg_init(ums, ums_count);
+	if (rc) {
+		error("fsg_init failed");
+		rc = CMD_RET_FAILURE;
+		goto cleanup_board;
+	}
+
+	rc = g_dnl_register("usb_dnl_ums");
+	if (rc) {
+		error("g_dnl_register failed");
+		rc = CMD_RET_FAILURE;
+		goto cleanup_board;
+	}
+
+	/* Timeout unit: seconds */
+	cable_ready_timeout = UMS_CABLE_READY_TIMEOUT;
+
+	if (!g_dnl_board_usb_cable_connected()) {
+		/*
+		 * Won't execute if we don't know whether the cable is
+		 * connected.
+		 */
+		puts("Please connect USB cable.\n");
+
+		while (!g_dnl_board_usb_cable_connected()) {
+			if (ctrlc()) {
+				puts("\rCTRL+C - Operation aborted.\n");
+				rc = CMD_RET_SUCCESS;
+				goto cleanup_register;
+			}
+			if (!cable_ready_timeout) {
+				puts("\rUSB cable not detected.\n" \
+				     "Command exit.\n");
+				rc = CMD_RET_SUCCESS;
+				goto cleanup_register;
+			}
+
+			printf("\rAuto exit in: %.2d s.", cable_ready_timeout);
+			mdelay(1000);
+			cable_ready_timeout--;
+		}
+		puts("\r\n");
+	}
+
+	while (1) {
+		usb_gadget_handle_interrupts(controller_index);
+
+		rc = fsg_main_thread(NULL);
+		if (rc) {
+			/* Check I/O error */
+			if (rc == -EIO)
+				printf("\rCheck USB cable connection\n");
+
+			/* Check CTRL+C */
+			if (rc == -EPIPE)
+				printf("\rCTRL+C - Operation aborted\n");
+
+			rc = CMD_RET_SUCCESS;
+			goto cleanup_register;
+		}
+	}
+
+cleanup_register:
+	g_dnl_unregister();
+cleanup_board:
+	board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+cleanup_ums_init:
+	ums_fini();
+
+	return rc;
+}
+
+U_BOOT_CMD(ums, 4, 1, do_usb_mass_storage,
+	"Use the UMS [USB Mass Storage]",
+	"<USB_controller> [<devtype>] <devnum>  e.g. ums 0 mmc 0\n"
+	"    devtype defaults to mmc"
+);