Re: [PATCH] mmc: sunxi: allow 3.3V DDR when DDR is available

From: Ulf Hansson
Date: Mon Jul 30 2018 - 11:06:27 EST


On 22 July 2018 at 14:54, Icenowy Zheng <icenowy@xxxxxxx> wrote:
> Some Allwinner boards feature an on-board eMMC with fixed 3.3V voltage
> (e.g. Banana Pi M2+), and in this case both the eMMC and the SoC are
> capable of doing 3.3V DDR transmission.
>
> Add capability of 3.3V DDR when DDR is available (extra clock or new
> timing).
>
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>

Thanks, applied for next!

Kind regards
Uffe

> ---
> drivers/mmc/host/sunxi-mmc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
> index 8e7f3e35ee3d..4ea8e2611079 100644
> --- a/drivers/mmc/host/sunxi-mmc.c
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -1388,7 +1388,7 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
> MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ;
>
> if (host->cfg->clk_delays || host->use_new_timings)
> - mmc->caps |= MMC_CAP_1_8V_DDR;
> + mmc->caps |= MMC_CAP_1_8V_DDR | MMC_CAP_3_3V_DDR;
>
> ret = mmc_of_parse(mmc);
> if (ret)
> --
> 2.18.0
>
> --
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