Revert "mmc: block: ioctl return EINVAL if cmd unknown"

This reverts commit 7c1abbfe2a27bae41202d4b46687f82eba0c1d5b.
Will fixes by aosp commit "mmc: block: fix ABI regression of mmc_blk_ioctl"

Signed-off-by: Huang, Tao <huangtao@rock-chips.com>

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 6efc81ea5dc5d2a6afebb1bf251c5c733e254f3e..7befdaee555a67bc3b01d5a48cc0f397d2e0ce0a 100644 (file)
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -690,11 +690,6 @@ cmd_err:
 static int mmc_blk_ioctl(struct block_device *bdev, fmode_t mode,
        unsigned int cmd, unsigned long arg)
 {
-#ifdef CONFIG_ARCH_ROCKCHIP
-       if (cmd != MMC_IOC_CMD && cmd != MMC_IOC_MULTI_CMD)
-               return -EINVAL;
-#endif
-
        /*
         * The caller must have CAP_SYS_RAWIO, and must be calling this on the
         * whole block device, not on a partition.  This prevents overspray