rich/mmc-utils
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mmc-utils: Allow for custom sanitize timeout

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Some cards with certain preconditioning require a higher timeout
when sanitizing. Let the user set the maximum timeout.

Signed-off-by: Christian Loehle <cloehle@hyperstone.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/4ddb5a5510d74645b2724d274c96ab02@hyperstone.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Christian Löhle authored and Ulf Hansson committed 2022-10-24 18:59:46 +02:00
1 parent d939fb5c0f
commit 34577b2378
2 files changed
+8 -4
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mmc.c
+1 -1
View File
@@ -150,7 +150,7 @@ static struct Command commands[] = {
NULL
},
{ do_sanitize, -1,
"sanitize", "<device>\n"
"sanitize", "<device> [timeout_ms]\n"
"Send Sanitize command to the <device>.\nThis will delete the unmapped memory region of the device.",
NULL
},
mmc_cmds.c
+7 -3
View File
@@ -1986,12 +1986,16 @@ int do_sanitize(int nargs, char **argv)
{
int fd, ret;
char *device;
unsigned int timeout = 0;
if (nargs != 2) {
fprintf(stderr, "Usage: mmc sanitize </path/to/mmcblkX>\n");
if (nargs != 2 && nargs != 3) {
fprintf(stderr, "Usage: mmc sanitize </path/to/mmcblkX> [timeout_in_ms]\n");
exit(1);
}
if (nargs == 3)
timeout = strtol(argv[2], NULL, 10);
device = argv[1];
fd = open(device, O_RDWR);
@@ -2000,7 +2004,7 @@ int do_sanitize(int nargs, char **argv)
exit(1);
}
ret = write_extcsd_value(fd, EXT_CSD_SANITIZE_START, 1, 0);
ret = write_extcsd_value(fd, EXT_CSD_SANITIZE_START, 1, timeout);
if (ret) {
fprintf(stderr, "Could not write 0x%02x to EXT_CSD[%d] in %s\n",
1, EXT_CSD_SANITIZE_START, device);