Hi,
This patch wasn't responded to -- any feedback from the list?
From: George G. Davis <gdavis@xxxxxxxxxx>
Date: Thu, 18 Feb 2010 15:27:53 -0500
Allow high speed mode for high speed capable ver 4.x MMC cards.
Comments and/or feedback appreciated.
Signed-off-by: George G. Davis <gdavis@xxxxxxxxxx>
[cjb: rebase patch against Linus]
Signed-off-by: Chris Ball <cjb@xxxxxxxxxx>
---
drivers/mmc/host/sdhci.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index fdc9233..8e360e1 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1180,7 +1180,8 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
else
ctrl &= ~SDHCI_CTRL_4BITBUS;
- if (ios->timing == MMC_TIMING_SD_HS &&
+ if ((ios->timing == MMC_TIMING_SD_HS ||
+ ios->timing == MMC_TIMING_MMC_HS) &&
!(host->quirks & SDHCI_QUIRK_NO_HISPD_BIT))
ctrl |= SDHCI_CTRL_HISPD;
else
@@ -1823,8 +1824,10 @@ int sdhci_add_host(struct sdhci_host *host)
if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA))
mmc->caps |= MMC_CAP_4_BIT_DATA;
- if (caps & SDHCI_CAN_DO_HISPD)
+ if (caps & SDHCI_CAN_DO_HISPD) {
mmc->caps |= MMC_CAP_SD_HIGHSPEED;
+ mmc->caps |= MMC_CAP_MMC_HIGHSPEED;
+ }
if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)
mmc->caps |= MMC_CAP_NEEDS_POLL;
--
1.7.0.1
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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