diff options
Diffstat (limited to 'drivers/mmc/core')
-rw-r--r-- | drivers/mmc/core/core.c | 4 | ||||
-rw-r--r-- | drivers/mmc/core/mmc.c | 2 | ||||
-rw-r--r-- | drivers/mmc/core/sd.c | 21 |
3 files changed, 15 insertions, 12 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index fa073ab3fa34..264911732756 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -706,7 +706,7 @@ static void mmc_power_up(struct mmc_host *host) * This delay should be sufficient to allow the power supply * to reach the minimum voltage. */ - mmc_delay(2); + mmc_delay(10); host->ios.clock = host->f_min; host->ios.power_mode = MMC_POWER_ON; @@ -716,7 +716,7 @@ static void mmc_power_up(struct mmc_host *host) * This delay must be at least 74 clock sizes, or 1 ms, or the * time required to reach a stable voltage. */ - mmc_delay(2); + mmc_delay(10); } static void mmc_power_off(struct mmc_host *host) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index c232d11a7ed4..06084dbf1277 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -208,7 +208,7 @@ static int mmc_read_ext_csd(struct mmc_card *card) } ext_csd_struct = ext_csd[EXT_CSD_REV]; - if (ext_csd_struct > 2) { + if (ext_csd_struct > 3) { printk(KERN_ERR "%s: unrecognised EXT_CSD structure " "version %d\n", mmc_hostname(card->host), ext_csd_struct); diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 26fc098d77cd..cd81c395e164 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); |