mmc: block: skip trim for some kingston eMMCs

[firefly-linux-kernel-4.4.55.git] / drivers / mmc / card / block.c

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index a58287e574cc81ff21f63be0876cd2edeedc18cf..c742cfd7674e0eb699b2e656cff1eba288932b6f 100644 (file)
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -2389,6 +2389,7 @@ force_ro_fail:
 #define CID_MANFID_TOSHIBA     0x11
 #define CID_MANFID_MICRON      0x13
 #define CID_MANFID_SAMSUNG     0x15
+#define CID_MANFID_KINGSTON    0x70
 
 static const struct mmc_fixup blk_fixups[] =
 {
@@ -2451,6 +2452,15 @@ static const struct mmc_fixup blk_fixups[] =
        MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
                  MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
 
+       /*
+        *  On Some Kingston eMMCs, performing trim can result in
+        *  unrecoverable data conrruption occasionally due to a firmware bug.
+        */
+       MMC_FIXUP("V10008", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc,
+                 MMC_QUIRK_TRIM_BROKEN),
+       MMC_FIXUP("V10016", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc,
+                 MMC_QUIRK_TRIM_BROKEN),
+
        END_FIXUP
 };