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https://github.com/AsahiLinux/u-boot
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5b333b9324
When the number of parameters is wrong, the return value should be processed in the same way as other cmds, return CMD_RET_USAGE so that it can print the information. Signed-off-by: Shenlin Liang <liangshenlin@eswincomputing.com> Reviewed-by: Simon Glass <sjg@chromium.org>
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2017 Marvell International Ltd.
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#include <common.h>
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#include <command.h>
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#include <console.h>
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#include <dm.h>
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#include <fdtdec.h>
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#include <dm/device-internal.h>
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#include <mvebu/comphy.h>
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int mvebu_comphy_rx_training_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
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char * const argv[])
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{
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struct udevice *dev;
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struct uclass *uc;
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int ret, cp_index, comphy_index, i = 0;
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if (argc != 3) {
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printf("missing arguments\n");
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return CMD_RET_USAGE;
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}
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cp_index = hextoul(argv[1], NULL);
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comphy_index = hextoul(argv[2], NULL);
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ret = uclass_get(UCLASS_MISC, &uc);
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if (ret) {
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printf("Couldn't find UCLASS_MISC\n");
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return ret;
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}
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uclass_foreach_dev(dev, uc) {
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if (!(memcmp(dev->name, "comphy", 5))) {
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if (i == cp_index) {
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comphy_rx_training(dev, comphy_index);
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return 0;
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}
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i++;
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}
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}
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printf("Coudn't find comphy %d\n", cp_index);
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return 0;
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}
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U_BOOT_CMD(
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mvebu_comphy_rx_training, 3, 0, mvebu_comphy_rx_training_cmd,
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"mvebu_comphy_rx_training <cp id> <comphy id>\n",
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"\n\tRun COMPHY RX training sequence, the user must state CP index (0/1) and comphy ID (0/5)"
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);
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