tree 395639b2c0124e1a4144bb6b9ecaa4b353393134
parent f8e9a21e68a1a7acacf01038b0fe6d291f2d9da7
author Stefano Babic <sbabic@denx.de> 1265378683 +0100
committer Tom Rix <Tom.Rix@windriver.com> 1267986996 -0600

MMC: add weak function to detect MMC/SD card

Most controllers can check if there is a card in the slot.
However, they require pins that could be not available because
required by other functions and the detection of a card must
be performed in another way. This patch adds a weak function
that a board can implement to add its internal custom way
to check the presence of a MMC/SD card.

Signed-off-by: Stefano Babic <sbabic@denx.de>