mmc: goldfish: emulated MMC device

This driver handles the virtual MMC device present in the Goldfish emulator.
The patch folds together initial work from Mike Lockwood and patches by
San Mehat, Jun Nakajima and Tom Keel <thomas.keel@intel.com> plus cleanups
by Alan Cox to get it all into 3.6 shape.

Signed-off-by: Mike A. Chan <mikechan@google.com>
[cleaned up and x86 support added]
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: Xiaohui Xin <xiaohui.xin@intel.com>
Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
[Moved to 3.4]
Signed-off-by: Tom Keel <thomas.keel@intel.com>
[Moved to 3.7]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 66a54aa68e25..961891fe61bb 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -375,6 +375,13 @@ config MMC_DAVINCI
           If you have an DAVINCI board with a Multimedia Card slot,
           say Y or M here.  If unsure, say N.
 
+config MMC_GOLDFISH
+        tristate "goldfish qemu Multimedia Card Interface support"
+        depends on GOLDFISH
+        help
+          This selects the Goldfish Multimedia card Interface emulation
+          found on the Goldfish Android virtual device emulation.
+
 config MMC_SPI
         tristate "MMC/SD/SDIO over SPI"
         depends on SPI_MASTER && !HIGHMEM && HAS_DMA