mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-04 09:13:44 +09:00
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
/*
|
|
* Copyright (C) 2013 Xilinx, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <clk.h>
|
|
|
|
int __weak soc_clk_dump(void)
|
|
{
|
|
puts("Not implemented\n");
|
|
return 1;
|
|
}
|
|
|
|
static int do_clk_dump(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
int ret;
|
|
|
|
ret = soc_clk_dump();
|
|
if (ret < 0) {
|
|
printf("Clock dump error %d\n", ret);
|
|
ret = CMD_RET_FAILURE;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static cmd_tbl_t cmd_clk_sub[] = {
|
|
U_BOOT_CMD_MKENT(dump, 1, 1, do_clk_dump, "", ""),
|
|
};
|
|
|
|
static int do_clk(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
cmd_tbl_t *c;
|
|
|
|
if (argc < 2)
|
|
return CMD_RET_USAGE;
|
|
|
|
/* Strip off leading 'clk' command argument */
|
|
argc--;
|
|
argv++;
|
|
|
|
c = find_cmd_tbl(argv[0], &cmd_clk_sub[0], ARRAY_SIZE(cmd_clk_sub));
|
|
|
|
if (c)
|
|
return c->cmd(cmdtp, flag, argc, argv);
|
|
else
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_LONGHELP
|
|
static char clk_help_text[] =
|
|
"dump - Print clock frequencies";
|
|
#endif
|
|
|
|
U_BOOT_CMD(clk, 2, 1, do_clk, "CLK sub-system", clk_help_text);
|