From: Pierre Ossman Date: Sat, 16 Aug 2008 18:43:04 +0000 (+0200) Subject: sdhci: force high speed capability on some controllers X-Git-Tag: firefly_0821_release~17809^2~9 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a4b76193774b463b922cab2f92450efb20d29ef0;p=firefly-linux-kernel-4.4.55.git 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 --- 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 */