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[RFC,V3,08/21] mmc: sdhci: add a kernel configuration for enabling UHS-II support

Message ID 20200710111010.29345-1-benchuanggli@gmail.com (mailing list archive)
State New, archived
Headers show
Series Add support UHS-II for GL9755 | expand

Commit Message

Ben Chuang July 10, 2020, 11:10 a.m. UTC 
From: AKASHI Takahiro <takahiro.akashi@linaro.org>

This kernel configuration, CONFIG_MMC_SDHCI_UHS2, will be used
in the following commits to indicate UHS-II specific code in sdhci
controllers.

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
---
 drivers/mmc/host/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 3b706af35ec3..ffeef38264c0 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -89,6 +89,15 @@  config MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
 
 	  This is the case for the Nintendo Wii SDHCI.
 
+config MMC_SDHCI_UHS2
+	tristate "UHS2 support on SDHCI controller"
+	depends on MMC_SDHCI
+	help
+	  This option is selected by SDHCI controller drivers that want to
+	  support UHS2-capable devices.
+
+	  If you have a controller with this feature, say Y or M here.
+
 config MMC_SDHCI_PCI
 	tristate "SDHCI support on PCI bus"
 	depends on MMC_SDHCI && PCI