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path: root/drivers/mmc/core/mmc.c
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Diffstat (limited to 'drivers/mmc/core/mmc.c')
-rw-r--r--drivers/mmc/core/mmc.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 619581e4916..42cc2867ed7 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -56,7 +56,7 @@ static const unsigned int tacc_mant[] = {
/*
* Given the decoded CSD structure, decode the raw CID to our CID structure.
*/
-static void mmc_decode_cid(struct mmc_card *card)
+static int mmc_decode_cid(struct mmc_card *card)
{
u32 *resp = card->raw_cid;
@@ -101,15 +101,16 @@ static void mmc_decode_cid(struct mmc_card *card)
default:
printk("%s: card has unknown MMCA version %d\n",
mmc_hostname(card->host), card->csd.mmca_vsn);
- mmc_card_set_bad(card);
- break;
+ return -EINVAL;
}
+
+ return 0;
}
/*
* Given a 128-bit response, decode to our card CSD structure.
*/
-static void mmc_decode_csd(struct mmc_card *card)
+static int mmc_decode_csd(struct mmc_card *card)
{
struct mmc_csd *csd = &card->csd;
unsigned int e, m, csd_struct;
@@ -123,8 +124,7 @@ static void mmc_decode_csd(struct mmc_card *card)
if (csd_struct != 1 && csd_struct != 2) {
printk("%s: unrecognised CSD structure version %d\n",
mmc_hostname(card->host), csd_struct);
- mmc_card_set_bad(card);
- return;
+ return -EINVAL;
}
csd->mmca_vsn = UNSTUFF_BITS(resp, 122, 4);
@@ -149,6 +149,8 @@ static void mmc_decode_csd(struct mmc_card *card)
csd->r2w_factor = UNSTUFF_BITS(resp, 26, 3);
csd->write_blkbits = UNSTUFF_BITS(resp, 22, 4);
csd->write_partial = UNSTUFF_BITS(resp, 21, 1);
+
+ return 0;
}
/*
@@ -300,8 +302,12 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
if (err != MMC_ERR_NONE)
goto free_card;
- mmc_decode_csd(card);
- mmc_decode_cid(card);
+ err = mmc_decode_csd(card);
+ if (err < 0)
+ goto free_card;
+ err = mmc_decode_cid(card);
+ if (err < 0)
+ goto free_card;
}
/*