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mmc: core: Add a debug print when the card may have been replaced 

If the card was removed in suspended state and a new one was inserted,
print a debug log when the check detects that it's not the old card.

Signed-off-by: hongjiefang <hongjiefang@asrmicro.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
hongjiefang 2019-02-28 14:08:28 +08:00 committed by Ulf Hansson
parent 82b6248705
commit 099b648116
3 changed files with 14 additions and 2 deletions
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2
drivers/mmc/core/mmc.c
View File

@ -1594,6 +1594,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
if (oldcard) {
if (memcmp(cid, oldcard->raw_cid, sizeof(cid)) != 0) {
pr_debug("%s: Perhaps the card was replaced\n",
mmc_hostname(host));
err = -ENOENT;
goto err;
}

5
drivers/mmc/core/sd.c
View File

@ -951,8 +951,11 @@ retry:
return err;
if (oldcard) {
if (memcmp(cid, oldcard->raw_cid, sizeof(cid)) != 0)
if (memcmp(cid, oldcard->raw_cid, sizeof(cid)) != 0) {
pr_debug("%s: Perhaps the card was replaced\n",
mmc_hostname(host));
return -ENOENT;
}
card = oldcard;
} else {

9
drivers/mmc/core/sdio.c
View File

@ -617,6 +617,8 @@ try_again:
if (oldcard && (oldcard->type != MMC_TYPE_SD_COMBO ||
memcmp(card->raw_cid, oldcard->raw_cid, sizeof(card->raw_cid)) != 0)) {
mmc_remove_card(card);
pr_debug("%s: Perhaps the card was replaced\n",
mmc_hostname(host));
return -ENOENT;
}
} else {
@ -624,6 +626,8 @@ try_again:
if (oldcard && oldcard->type != MMC_TYPE_SDIO) {
mmc_remove_card(card);
pr_debug("%s: Perhaps the card was replaced\n",
mmc_hostname(host));
return -ENOENT;
}
}
@ -736,8 +740,11 @@ try_again:
int same = (card->cis.vendor == oldcard->cis.vendor &&
card->cis.device == oldcard->cis.device);
mmc_remove_card(card);
if (!same)
if (!same) {
pr_debug("%s: Perhaps the card was replaced\n",
mmc_hostname(host));
return -ENOENT;
}
card = oldcard;
}