tree 0a5e596b2f641006c7be75d9c9be6afbf0ba520c
parent b3c674bc7f3efdcfcd773566639fbf34ffcbefb7
author Marek Szyprowski <m.szyprowski@samsung.com> 1279844838 +0900
committer Kukjin Kim <kgene.kim@samsung.com> 1281000770 +0900

ARM: SAMSUNG: Add new s3c-sdhci card detection methods for Samsung SoCs

On some Samsung SoCs not all SDHCI controllers have card detect (CD)
line. For some embedded designs it is not even needed, because ususally
the device (like SDIO flash memory or wifi controller) is permanently
wired to the controller. There are also systems which have a card detect
line connected to some of the external interrupt lines or the presence
of the card depends on some other actions (like enabling a power
regulator).

This patch adds all required changes to platform support code, so
another patch, which extends the driver with support for the new card
detection methods can be applied.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: minor title and coding-style fixes]
[kgene.kim@samsung.com: fix build errors]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>