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

This reverts commit a4b7619377.

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 */