mmc: mxs-mmc: Enable MMC_CAP_ERASE

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@i2se.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 4f06fb03c0a2b4b0b7b30700da1e0c77d933164c..c021d433b04fcd14a4b1aecc1b794d309ffdde9a 100644 (file)
--- 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");