[PATCH 2/2] mmc: sdhci-iproc: Increase max_blk_size for bcm2835

Adrian Hunter adrian.hunter at intel.com
Thu Jan 5 01:53:39 PST 2017


On 30/12/16 17:24, Stefan Wahren wrote:
> According to the BCM2835 datasheet the maximum block size for the
> eMMC module is restricted to the internal data FIFO which is 1024 byte.
> But this is still an improvement to the default of 512 byte.
> 
> 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 |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
> index 30b3fdf..3275d49 100644
> --- a/drivers/mmc/host/sdhci-iproc.c
> +++ b/drivers/mmc/host/sdhci-iproc.c
> @@ -218,7 +218,9 @@ static void sdhci_iproc_writeb(struct sdhci_host *host, u8 val, int reg)
>  
>  static const struct sdhci_iproc_data bcm2835_data = {
>  	.pdata = &sdhci_bcm2835_pltfm_data,
> -	.caps = SDHCI_CAN_VDD_330 |
> +	.caps = ((0x1 << SDHCI_MAX_BLOCK_SHIFT)
> +			& SDHCI_MAX_BLOCK_MASK) |
> +		SDHCI_CAN_VDD_330 |
>  		SDHCI_CAN_DO_HISPD,
>  	.caps1 = SDHCI_DRIVER_TYPE_A |
>  		 SDHCI_DRIVER_TYPE_C,
> 




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