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authorShawn Lin <shawn.lin@rock-chips.com>2016-05-26 03:56:12 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2016-07-25 10:34:05 +0200
commitef29c0e273b874018f1802d12957d22008138240 (patch)
tree94e645eb9bd77e73d4857340395fe3001f1e6499 /include
parentDocumentation: mmc: add mmc-hs400-enhanced-strobe (diff)
downloadlinux-ef29c0e273b874018f1802d12957d22008138240.tar.xz
linux-ef29c0e273b874018f1802d12957d22008138240.zip
mmc: core: add mmc-hs400-enhanced-strobe support
This patch introduce mmc-hs400-enhanced-strobe for platforms which want to enable enhanced strobe function from DT if the mmc host controller claims to support enhanced strobe. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Tested-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mmc/host.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 45cde8cd39f2..b836a271e2df 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -302,6 +302,7 @@ struct mmc_host {
#define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17)
#define MMC_CAP2_NO_WRITE_PROTECT (1 << 18) /* No physical write protect pin, assume that card is always read-write */
#define MMC_CAP2_NO_SDIO (1 << 19) /* Do not send SDIO commands during initialization */
+#define MMC_CAP2_HS400_ES (1 << 20) /* Host supports enhanced strobe */
mmc_pm_flag_t pm_caps; /* supported pm features */