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* [RFC PATCH V3 08/21] mmc: sdhci: add a kernel configuration for enabling UHS-II support
@ 2020-07-10 11:10 Ben Chuang
  0 siblings, 0 replies; only message in thread
From: Ben Chuang @ 2020-07-10 11:10 UTC (permalink / raw)
  To: adrian.hunter, ulf.hansson
  Cc: linux-mmc, linux-kernel, ben.chuang, takahiro.akashi, greg.tu,
	Ben Chuang

From: AKASHI Takahiro <>

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

Signed-off-by: Ben Chuang <>
Signed-off-by: AKASHI Takahiro <>
 drivers/mmc/host/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

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.
 	tristate "SDHCI support on PCI bus"
 	depends on MMC_SDHCI && PCI

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2020-07-10 11:10 [RFC PATCH V3 08/21] mmc: sdhci: add a kernel configuration for enabling UHS-II support Ben Chuang

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