diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0348-mmc-Add-MMC_QUIRK_ERASE_BROKEN-for-some-cards.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0348-mmc-Add-MMC_QUIRK_ERASE_BROKEN-for-some-cards.patch | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0348-mmc-Add-MMC_QUIRK_ERASE_BROKEN-for-some-cards.patch b/target/linux/brcm2708/patches-4.4/0348-mmc-Add-MMC_QUIRK_ERASE_BROKEN-for-some-cards.patch deleted file mode 100644 index b322f40c9e..0000000000 --- a/target/linux/brcm2708/patches-4.4/0348-mmc-Add-MMC_QUIRK_ERASE_BROKEN-for-some-cards.patch +++ /dev/null @@ -1,56 +0,0 @@ -From 1aa7ba68d3a693ca2420d7452b172b075b30aee6 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Wed, 11 May 2016 12:50:33 +0100 -Subject: [PATCH] mmc: Add MMC_QUIRK_ERASE_BROKEN for some cards - -Some SD cards have been found that corrupt data when small blocks -are erased. Add a quirk to indicate that ERASE should not be used, -and set it for cards of that type. - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - drivers/mmc/card/block.c | 7 +++++++ - drivers/mmc/core/core.c | 3 ++- - include/linux/mmc/card.h | 3 +++ - 3 files changed, 12 insertions(+), 1 deletion(-) - ---- a/drivers/mmc/card/block.c -+++ b/drivers/mmc/card/block.c -@@ -2553,6 +2553,13 @@ static const struct mmc_fixup blk_fixups - MMC_FIXUP("V10016", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc, - MMC_QUIRK_TRIM_BROKEN), - -+ /* -+ * On some Kingston SD cards, multiple erases of less than 64 -+ * sectors can cause corruption. -+ */ -+ MMC_FIXUP("SD16G", 0x41, 0x3432, add_quirk_mmc, -+ MMC_QUIRK_ERASE_BROKEN), -+ - END_FIXUP - }; - ---- a/drivers/mmc/core/core.c -+++ b/drivers/mmc/core/core.c -@@ -2253,7 +2253,8 @@ EXPORT_SYMBOL(mmc_erase); - int mmc_can_erase(struct mmc_card *card) - { - if ((card->host->caps & MMC_CAP_ERASE) && -- (card->csd.cmdclass & CCC_ERASE) && card->erase_size) -+ (card->csd.cmdclass & CCC_ERASE) && card->erase_size && -+ !(card->quirks & MMC_QUIRK_ERASE_BROKEN)) - return 1; - return 0; - } ---- a/include/linux/mmc/card.h -+++ b/include/linux/mmc/card.h -@@ -281,6 +281,9 @@ struct mmc_card { - #define MMC_QUIRK_TRIM_BROKEN (1<<12) /* Skip trim */ - - -+#define MMC_QUIRK_ERASE_BROKEN (1<<31) /* Skip erase */ -+ -+ - unsigned int erase_size; /* erase size in sectors */ - unsigned int erase_shift; /* if erase unit is power 2 */ - unsigned int pref_erase; /* in sectors */ |