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mmc: sdio: Parse CISTPL_VERS_1 major and minor revision numbers

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They should indicate compliance of standard.

Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20200727133837.19086-3-pali@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Pali Rohár
2020-07-27 15:38:35 +02:00
committed by Ulf Hansson
parent 8ebe260796
commit 78366e9cbd
3 changed files with 12 additions and 0 deletions
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8
drivers/mmc/core/sdio_cis.c
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@@ -23,12 +23,16 @@
static int cistpl_vers_1(struct mmc_card *card, struct sdio_func *func,
const unsigned char *buf, unsigned size)
{
u8 major_rev, minor_rev;
unsigned i, nr_strings;
char **buffer, *string;
if (size < 2)
return 0;
major_rev = buf[0];
minor_rev = buf[1];
/* Find all null-terminated (including zero length) strings in
the TPLLV1_INFO field. Trailing garbage is ignored. */
buf += 2;
@@ -60,9 +64,13 @@ static int cistpl_vers_1(struct mmc_card *card, struct sdio_func *func,
}
if (func) {
func->major_rev = major_rev;
func->minor_rev = minor_rev;
func->num_info = nr_strings;
func->info = (const char**)buffer;
} else {
card->major_rev = major_rev;
card->minor_rev = minor_rev;
card->num_info = nr_strings;
card->info = (const char**)buffer;
}