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mmc: sdio: Don't warn about vendor CIS tuples

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CIS tuples in the range 0x80-0x8F are reserved for vendors. Some devices
have tuples in this range which get warned about every boot. Since this
is normal behavior, don't print these tuples unless debug is enabled.

Unfortunately, we cannot use a variable for the format string since it
gets pasted by pr_*_ratelimited.

Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20210726163654.1110969-1-sean.anderson@seco.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Sean Anderson 2021-07-26 12:36:52 -04:00 committed by Ulf Hansson
parent 60885bfb2a
commit 4b5e37b8fd
1 changed files with 15 additions and 5 deletions
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20
drivers/mmc/core/sdio_cis.c
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@ -330,13 +330,23 @@ static int sdio_read_cis(struct mmc_card *card, struct sdio_func *func)
prev = &this->next;
if (ret == -ENOENT) {
if (time_after(jiffies, timeout))
break;
/* warn about unknown tuples */
pr_warn_ratelimited("%s: queuing unknown"
" CIS tuple 0x%02x (%u bytes)\n",
mmc_hostname(card->host),
tpl_code, tpl_link);
#define FMT(type) "%s: queuing " type " CIS tuple 0x%02x (%u bytes)\n"
/*
* Tuples in this range are reserved for
* vendors, so don't warn about them
*/
if (tpl_code >= 0x80 && tpl_code <= 0x8f)
pr_debug_ratelimited(FMT("vendor"),
mmc_hostname(card->host),
tpl_code, tpl_link);
else
pr_warn_ratelimited(FMT("unknown"),
mmc_hostname(card->host),
tpl_code, tpl_link);
}
/* keep on analyzing tuples */