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authorChaotian Jing <chaotian.jing@mediatek.com>2015-10-27 14:24:21 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2015-10-27 10:21:15 +0100
commit794f15782d9f12aa5a43f796680a5fc4f2c424e3 (patch)
treea67a1968a3b588efd3bcf04b88083863d97cf92f /drivers/mmc/core
parenta7cedab6ccd7f02c86476ae52760a5d0482806fa (diff)
downloadlinux-794f15782d9f12aa5a43f796680a5fc4f2c424e3.tar.bz2
mmc: core: Add DT bindings for eMMC hardware reset support
Sometime only need set MMC_CAP_HW_RESET for one of MMC hosts, So set it in device tree is better. Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/host.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 970e6906930b..da950c44204d 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -267,6 +267,8 @@ int mmc_of_parse(struct mmc_host *host)
host->caps |= MMC_CAP_UHS_DDR50;
if (of_property_read_bool(np, "cap-power-off-card"))
host->caps |= MMC_CAP_POWER_OFF_CARD;
+ if (of_property_read_bool(np, "cap-mmc-hw-reset"))
+ host->caps |= MMC_CAP_HW_RESET;
if (of_property_read_bool(np, "cap-sdio-irq"))
host->caps |= MMC_CAP_SDIO_IRQ;
if (of_property_read_bool(np, "full-pwr-cycle"))