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authorPaul Mackerras <paulus@samba.org>2009-04-22 13:02:09 +1000
committerPaul Mackerras <paulus@samba.org>2009-04-22 13:02:09 +1000
commit5bd3ef84d73c2ea7b4babbad060909753c4828d4 (patch)
treefdf2bafb48ae1ed03175f6c77a7548a181e69ee9 /drivers/mmc/core/sd.c
parent0658c16056660886ea2f35c4f038be70a94b1532 (diff)
parent6d25b688ecc488753af3c9e6f6a9a575b863cf37 (diff)
Merge branch 'merge' of git://git.secretlab.ca/git/linux-2.6 into merge
Diffstat (limited to 'drivers/mmc/core/sd.c')
-rw-r--r--drivers/mmc/core/sd.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 26fc098d77c..cd81c395e16 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -363,15 +363,6 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
goto err;
/*
- * For SPI, enable CRC as appropriate.
- */
- if (mmc_host_is_spi(host)) {
- err = mmc_spi_set_crc(host, use_spi_crc);
- if (err)
- goto err;
- }
-
- /*
* Fetch CID from card.
*/
if (mmc_host_is_spi(host))
@@ -458,6 +449,18 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
}
/*
+ * For SPI, enable CRC as appropriate.
+ * This CRC enable is located AFTER the reading of the
+ * card registers because some SDHC cards are not able
+ * to provide valid CRCs for non-512-byte blocks.
+ */
+ if (mmc_host_is_spi(host)) {
+ err = mmc_spi_set_crc(host, use_spi_crc);
+ if (err)
+ goto free_card;
+ }
+
+ /*
* Attempt to change to high-speed (if supported)
*/
err = mmc_switch_hs(card);