diff options
| author | Pierre Ossman <drzeus@drzeus.cx> | 2008-08-16 20:43:04 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-10-12 11:04:32 +0200 |
| commit | a4b76193774b463b922cab2f92450efb20d29ef0 (patch) | |
| tree | 094e29f9cc571c351b0d4f7fc7044ccf494daa9b /drivers/mmc | |
| parent | mmc_block: filter out PC requests (diff) | |
| download | linux-a4b76193774b463b922cab2f92450efb20d29ef0.tar.xz linux-a4b76193774b463b922cab2f92450efb20d29ef0.zip | |
sdhci: force high speed capability on some controllers
Some high speed capable controllers forget to set the high speed
capability bit. Make sure we enable the functionality anyway.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 2 |
3 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index fcb14c2346cc..0a84f10d719c 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -144,7 +144,8 @@ static int jmicron_probe(struct sdhci_pci_chip *chip) SDHCI_QUIRK_32BIT_DMA_SIZE | SDHCI_QUIRK_32BIT_ADMA_SIZE | SDHCI_QUIRK_RESET_AFTER_REQUEST | - SDHCI_QUIRK_BROKEN_SMALL_PIO; + SDHCI_QUIRK_BROKEN_SMALL_PIO | + SDHCI_QUIRK_FORCE_HIGHSPEED; } /* diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index fd2dc821e40d..3c808d22f9d5 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1631,7 +1631,8 @@ int sdhci_add_host(struct sdhci_host *host) mmc->f_max = host->max_clk; mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; - if (caps & SDHCI_CAN_DO_HISPD) + if ((caps & SDHCI_CAN_DO_HISPD) || + (host->quirks & SDHCI_QUIRK_FORCE_HIGHSPEED)) mmc->caps |= MMC_CAP_SD_HIGHSPEED; mmc->ocr_avail = 0; diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 197d4a05f4ae..31f4b1528e76 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -208,6 +208,8 @@ struct sdhci_host { #define SDHCI_QUIRK_BROKEN_TIMEOUT_VAL (1<<12) /* Controller has an issue with buffer bits for small transfers */ #define SDHCI_QUIRK_BROKEN_SMALL_PIO (1<<13) +/* Controller supports high speed but doesn't have the caps bit set */ +#define SDHCI_QUIRK_FORCE_HIGHSPEED (1<<14) int irq; /* Device IRQ */ void __iomem * ioaddr; /* Mapped address */ |