3 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/mmc/mmc-dev-attrs.txt b/Documentation/mmc/mmc-dev-attrs.txt
index 0d98fac8893b..189bab09255a 100644
--- a/Documentation/mmc/mmc-dev-attrs.txt
+++ b/Documentation/mmc/mmc-dev-attrs.txt
@@ -22,6 +22,7 @@ All attributes are read-only.
         manfid                  Manufacturer ID (from CID Register)
         name                    Product Name (from CID Register)
         oemid                   OEM/Application ID (from CID Register)
+        prv                     Product Revision (from CID Register) (SD and MMCv4 only)
         serial                  Product Serial Number (from CID Register)
         erase_size              Erase group size
         preferred_erase_size    Preferred erase size
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index c8f3d6e0684e..d584f7ca168c 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -96,6 +96,7 @@ static int mmc_decode_cid(struct mmc_card *card)
                 card->cid.prod_name[3]  = UNSTUFF_BITS(resp, 72, 8);
                 card->cid.prod_name[4]  = UNSTUFF_BITS(resp, 64, 8);
                 card->cid.prod_name[5]  = UNSTUFF_BITS(resp, 56, 8);
+                card->cid.prv           = UNSTUFF_BITS(resp, 48, 8);
                 card->cid.serial        = UNSTUFF_BITS(resp, 16, 32);
                 card->cid.month         = UNSTUFF_BITS(resp, 12, 4);
                 card->cid.year          = UNSTUFF_BITS(resp, 8, 4) + 1997;
@@ -627,6 +628,7 @@ MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
+MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prv);
 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
 MMC_DEV_ATTR(enhanced_area_offset, "%llu\n",
                 card->ext_csd.enhanced_area_offset);
@@ -645,6 +647,7 @@ static struct attribute *mmc_std_attrs[] = {
         &dev_attr_manfid.attr,
         &dev_attr_name.attr,
         &dev_attr_oemid.attr,
+        &dev_attr_prv.attr,
         &dev_attr_serial.attr,
         &dev_attr_enhanced_area_offset.attr,
         &dev_attr_enhanced_area_size.attr,
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 61b2c30c903b..f31725ba49f3 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -17,6 +17,7 @@
 struct mmc_cid {
         unsigned int            manfid;
         char                    prod_name[8];
+        unsigned char           prv;
         unsigned int            serial;
         unsigned short          oemid;
         unsigned short          year;