According to the i.MX23/28 reference manuals both mmc interfaces support the MMC_ERASE command. So enable this capability in the driver to allow erase/discard/trim requests. Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> --- drivers/mmc/host/mxs-mmc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 4f06fb0..c021d43 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -648,7 +648,8 @@ static int mxs_mmc_probe(struct platform_device *pdev) /* set mmc core parameters */ mmc->ops = &mxs_mmc_ops; mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED | - MMC_CAP_SDIO_IRQ | MMC_CAP_NEEDS_POLL | MMC_CAP_CMD23; + MMC_CAP_SDIO_IRQ | MMC_CAP_NEEDS_POLL | MMC_CAP_CMD23 | + MMC_CAP_ERASE; host->broken_cd = of_property_read_bool(np, "broken-cd"); -- 2.7.4
