Rui Feng 9ff43c7be9 mmc: rtsx_pci: Add SD Express mode support for RTS5261 ... RTS5261 support SD mode and PCIe/NVMe mode. The workflow is as follows. 1.RTS5261 work in SD mode and set MMC_CAPS2_SD_EXP flag. 2.If card is plugged in, Host send CMD8 to ask card's PCIe availability. 3.If the card has PCIe availability and WP is not set, init_sd_express() will be invoked, RTS5261 switch to PCIe/NVMe mode. 4.Mmc driver handover it to NVMe driver. 5.If card is unplugged, RTS5261 will switch to SD mode. Signed-off-by: Rui Feng <rui_feng@realsil.com.cn> Link: https://lore.kernel.org/r/1603936703-3403-1-git-send-email-rui_feng@realsil.com.cn Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>		2020-11-16 11:59:28 +01:00
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core	mmc: core: Initial support for SD express card/host	2020-11-16 11:59:28 +01:00
host	mmc: rtsx_pci: Add SD Express mode support for RTS5261	2020-11-16 11:59:28 +01:00
Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00