mmc: card: Don't show eMMC RPMB and BOOT areas in /proc/partitions

Since RPMB area is accessible via special ioctl only and boot areas
are unlikely to contain any partitions, exclude them all from listing
in /proc/partitions. This will hide them from various user-level
software (e.g. fdisk), thus avoiding unnecessary access attempts.

Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 9e923cd..03e3d48 100644 (file)
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2353,7 +2353,8 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
        set_disk_ro(md->disk, md->read_only || default_ro);
        md->disk->flags = GENHD_FL_EXT_DEVT;
        if (area_type & (MMC_BLK_DATA_AREA_RPMB | MMC_BLK_DATA_AREA_BOOT))
-               md->disk->flags |= GENHD_FL_NO_PART_SCAN;
+               md->disk->flags |= GENHD_FL_NO_PART_SCAN
+                                  | GENHD_FL_SUPPRESS_PARTITION_INFO;
 
        /*
         * As discussed on lkml, GENHD_FL_REMOVABLE should: