[PATCH 1/2] mmc: sdhci-iproc: Apply caps from bcm2835-mmc driver
Adrian Hunter
adrian.hunter at intel.com
Thu Jan 5 01:58:53 PST 2017
On 30/12/16 17:24, Stefan Wahren wrote:
> Since the mmc module on bcm2835 neither provide a capabilities register nor
> free documentation we must rely on the downstream implementation [1].
>
> So enable the following capabilities for bcm2835:
>
> MMC_CAP_MMC_HIGHSPEED
> MMC_CAP_SD_HIGHSPEED
> MMC_CAP_DRIVER_TYPE_A
> MMC_CAP_DRIVER_TYPE_C
>
> [1] - https://github.com/raspberrypi/linux/blob/rpi-4.4.y/drivers/mmc/host/bcm2835-mmc.c
>
> Signed-off-by: Stefan Wahren <stefan.wahren at i2se.com>
Acked-by: Adrian Hunter <adrian.hunter at intel.com>
> ---
> drivers/mmc/host/sdhci-iproc.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
> index d7046d6..30b3fdf 100644
> --- a/drivers/mmc/host/sdhci-iproc.c
> +++ b/drivers/mmc/host/sdhci-iproc.c
> @@ -211,14 +211,17 @@ static void sdhci_iproc_writeb(struct sdhci_host *host, u8 val, int reg)
> static const struct sdhci_pltfm_data sdhci_bcm2835_pltfm_data = {
> .quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION |
> SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
> - SDHCI_QUIRK_MISSING_CAPS,
> + SDHCI_QUIRK_MISSING_CAPS |
> + SDHCI_QUIRK_NO_HISPD_BIT,
> .ops = &sdhci_iproc_32only_ops,
> };
>
> static const struct sdhci_iproc_data bcm2835_data = {
> .pdata = &sdhci_bcm2835_pltfm_data,
> - .caps = SDHCI_CAN_VDD_330,
> - .caps1 = 0x00000000,
> + .caps = SDHCI_CAN_VDD_330 |
> + SDHCI_CAN_DO_HISPD,
> + .caps1 = SDHCI_DRIVER_TYPE_A |
> + SDHCI_DRIVER_TYPE_C,
> .mmc_caps = 0x00000000,
> };
>
>
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