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authorShawn Lin <shawn.lin@rock-chips.com>2016-03-01 15:12:53 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2016-05-02 10:33:15 +0200
commitc6a9bf99dd458147241ef93817d18e92c3650530 (patch)
treecf01a97c582607b2f290e34cca75ce54641c6235 /drivers/mmc
parent31fa83539fd7a8411b9bc9da77826835d2502886 (diff)
downloadlinux-c6a9bf99dd458147241ef93817d18e92c3650530.tar.bz2
mmc: dw_mmc-rockchip: fix failing to mount partition with "discard"
Without MMC_CAP_ERASE support, we fail to mount partition with "discard" option since mmc_queue_setup_discard is limited for checking mmc_can_erase. Without doing mmc_queue_setup_discard, blk_queue_discard fails to test QUEUE_FLAG_DISCARD flag, so we get the following log from f2fs(actually similar to other file system): mounting with "discard" option, but the device does not support discard Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/dw_mmc-rockchip.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc-rockchip.c b/drivers/mmc/host/dw_mmc-rockchip.c
index 536d7c2aa602..6ce49a59c78c 100644
--- a/drivers/mmc/host/dw_mmc-rockchip.c
+++ b/drivers/mmc/host/dw_mmc-rockchip.c
@@ -234,11 +234,20 @@ static int dw_mci_rockchip_init(struct dw_mci *host)
return 0;
}
+/* Common capabilities of RK3288 SoC */
+static unsigned long dw_mci_rk3288_dwmmc_caps[4] = {
+ MMC_CAP_ERASE,
+ MMC_CAP_ERASE,
+ MMC_CAP_ERASE,
+ MMC_CAP_ERASE,
+};
+
static const struct dw_mci_drv_data rk2928_drv_data = {
.init = dw_mci_rockchip_init,
};
static const struct dw_mci_drv_data rk3288_drv_data = {
+ .caps = dw_mci_rk3288_dwmmc_caps,
.set_ios = dw_mci_rk3288_set_ios,
.execute_tuning = dw_mci_rk3288_execute_tuning,
.parse_dt = dw_mci_rk3288_parse_dt,