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ebc675b98d
In case of error in soc_clk_dump function are returned different values then CMD return values (-1, 0, 1). For example: ZynqMP> clk dump exit not allowed from main input shel The patch is checking all negative return values and return CMD_RET_FAILURE which is proper reaction for these cases. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
60 lines
1.0 KiB
C
60 lines
1.0 KiB
C
/*
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* Copyright (C) 2013 Xilinx, Inc.
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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 <clk.h>
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int __weak soc_clk_dump(void)
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{
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puts("Not implemented\n");
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return 1;
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}
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static int do_clk_dump(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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int ret;
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ret = soc_clk_dump();
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if (ret < 0) {
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printf("Clock dump error %d\n", ret);
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ret = CMD_RET_FAILURE;
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}
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return ret;
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}
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static cmd_tbl_t cmd_clk_sub[] = {
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U_BOOT_CMD_MKENT(dump, 1, 1, do_clk_dump, "", ""),
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};
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static int do_clk(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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cmd_tbl_t *c;
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if (argc < 2)
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return CMD_RET_USAGE;
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/* Strip off leading 'clk' command argument */
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argc--;
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argv++;
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c = find_cmd_tbl(argv[0], &cmd_clk_sub[0], ARRAY_SIZE(cmd_clk_sub));
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if (c)
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return c->cmd(cmdtp, flag, argc, argv);
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else
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return CMD_RET_USAGE;
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}
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#ifdef CONFIG_SYS_LONGHELP
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static char clk_help_text[] =
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"dump - Print clock frequencies";
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#endif
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U_BOOT_CMD(clk, 2, 1, do_clk, "CLK sub-system", clk_help_text);
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