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cmd: simplify do_spi_flash()

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CMD_RET_USAGE == -1. The special handling of this value at the end of
do_spi_flash() does not make any sense.

To avoid future confusion use the CMD_RET_* constants and simplify the
code.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Heinrich Schuchardt 2023-01-02 18:21:15 +01:00 committed by Jagan Teki
parent fa3b38d4c4
commit 8c8df67609
1 changed files with 6 additions and 13 deletions
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19
cmd/sf.c
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@ -579,21 +579,19 @@ static int do_spi_flash(struct cmd_tbl *cmdtp, int flag, int argc,
/* need at least two arguments */
if (argc < 2)
goto usage;
return CMD_RET_USAGE;
cmd = argv[1];
--argc;
++argv;
if (strcmp(cmd, "probe") == 0) {
ret = do_spi_flash_probe(argc, argv);
goto done;
}
if (strcmp(cmd, "probe") == 0)
return do_spi_flash_probe(argc, argv);
/* The remaining commands require a selected device */
if (!flash) {
puts("No SPI flash selected. Please run `sf probe'\n");
return 1;
return CMD_RET_FAILURE;
}
if (strcmp(cmd, "read") == 0 || strcmp(cmd, "write") == 0 ||
@ -606,14 +604,9 @@ static int do_spi_flash(struct cmd_tbl *cmdtp, int flag, int argc,
else if (IS_ENABLED(CONFIG_CMD_SF_TEST) && !strcmp(cmd, "test"))
ret = do_spi_flash_test(argc, argv);
else
ret = -1;
ret = CMD_RET_USAGE;
done:
if (ret != -1)
return ret;
usage:
return CMD_RET_USAGE;
return ret;
}
#ifdef CONFIG_SYS_LONGHELP