Hi
> Declare ERASE capability so we can use filesystems with the discard
> option and the fstrim tool.
I totally agree with you that information about such capabilities should be
exposed but maybe it would be wiser to use DT instead of hardcoding it?
I mean a WiFi device won't support erase functionality...
http://lists.infradead.org/pipermail/linux-arm-kernel/2011-October/068210.html

> Signed-off-by: Chen-Yu Tsai <[email protected]>
> ---
>  drivers/mmc/host/sunxi-mmc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
> index 024f67c..7bf5c1c 100644
> --- a/drivers/mmc/host/sunxi-mmc.c
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -990,7 +990,8 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
> /* 400kHz ~ 50MHz */
>       mmc->f_min              =   400000;
>       mmc->f_max              = 50000000;
> -     mmc->caps              |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED;
> +     mmc->caps              |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
> +                               MMC_CAP_ERASE;
> 
>       ret = mmc_of_parse(mmc);
>       if (ret)

-- 
David Lanzendörfer
OpenSourceSupport GmbH
System engineer and supporter
http://www.o2s.ch/

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