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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-10-02 14:34:24 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-10-02 14:34:26 +0200 |
| commit | 329db2f586c4125fc0255f1e111dae7602e9845b (patch) | |
| tree | ae89ed7bb13081a584be922a074264fc6d0c0ab1 /drivers/mci/mci-core.c | |
| parent | aa2bb00effa30718fe6d95dc215a54ddb44b9e27 (diff) | |
| download | barebox-329db2f586c4125fc0255f1e111dae7602e9845b.tar.gz barebox-329db2f586c4125fc0255f1e111dae7602e9845b.tar.xz | |
mci: core: Increase clock for SD highspeed mode
Putting a SD card into highspeed mode doesn't help much when we
still clock the card with 25MHz. Increase the clock speed to 50MHz
for high speed cards.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mci/mci-core.c')
| -rw-r--r-- | drivers/mci/mci-core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c index 6d5a4bfc6e..90001153d7 100644 --- a/drivers/mci/mci-core.c +++ b/drivers/mci/mci-core.c @@ -652,6 +652,9 @@ retry_scr: if ((__be32_to_cpu(switch_status[4]) & 0x0f000000) == 0x01000000) mci->card_caps |= MMC_CAP_SD_HIGHSPEED; + if (mci_caps(mci) & MMC_CAP_SD_HIGHSPEED) + mci->tran_speed = 50000000; + return 0; } |