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Revert "sdhci: force high speed capability on some controllers"

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This reverts commit a4b76193774b463b922cab2f92450efb20d29ef0.

It turned out that the controller had problem running at the
higher speed, so go back to trusting the hardware capability
bits.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Pierre Ossman 2009-02-02 21:13:49 +01:00
parent 444122fd58
commit 86a6a8749d
3 changed files with 2 additions and 6 deletions
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3
drivers/mmc/host/sdhci-pci.c
View File

@ -144,8 +144,7 @@ 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_FORCE_HIGHSPEED;
SDHCI_QUIRK_BROKEN_SMALL_PIO;
}
/*

3
drivers/mmc/host/sdhci.c
View File

@ -1636,8 +1636,7 @@ 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) ||
(host->quirks & SDHCI_QUIRK_FORCE_HIGHSPEED))
if (caps & SDHCI_CAN_DO_HISPD)
mmc->caps |= MMC_CAP_SD_HIGHSPEED;
mmc->ocr_avail = 0;

2
drivers/mmc/host/sdhci.h
View File

@ -208,8 +208,6 @@ 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 */