The patch titled
Blackfin NFC Driver: fix bug - hw ecc calc by making sure we extract 11 bits from each register instead of 10
has been added to the -mm tree. Its filename is
blackfin-nfc-driver-fix-bug-hw-ecc-calc-by-making-sure-we-extract-11-bits-from-each-register-instead-of-10.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: Blackfin NFC Driver: fix bug - hw ecc calc by making sure we extract 11 bits from each register instead of 10
From: Mike Frysinger <vapier.adi@xxxxxxxxx>
Signed-off-by: Mike Frysinger <vapier.adi@xxxxxxxxx>
Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/mtd/nand/bf5xx_nand.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN drivers/mtd/nand/bf5xx_nand.c~blackfin-nfc-driver-fix-bug-hw-ecc-calc-by-making-sure-we-extract-11-bits-from-each-register-instead-of-10 drivers/mtd/nand/bf5xx_nand.c
--- a/drivers/mtd/nand/bf5xx_nand.c~blackfin-nfc-driver-fix-bug-hw-ecc-calc-by-making-sure-we-extract-11-bits-from-each-register-instead-of-10
+++ a/drivers/mtd/nand/bf5xx_nand.c
@@ -298,7 +298,7 @@ static int bf5xx_nand_calculate_ecc(stru
ecc0 = bfin_read_NFC_ECC0();
ecc1 = bfin_read_NFC_ECC1();
- code[0] = (ecc0 & 0x3FF) | ((ecc1 & 0x3FF) << 11);
+ code[0] = (ecc0 & 0x7ff) | ((ecc1 & 0x7ff) << 11);
dev_dbg(info->device, "returning ecc 0x%08x\n", code[0]);
@@ -310,7 +310,7 @@ static int bf5xx_nand_calculate_ecc(stru
if (page_size == 512) {
ecc0 = bfin_read_NFC_ECC2();
ecc1 = bfin_read_NFC_ECC3();
- code[1] = (ecc0 & 0x3FF) | ((ecc1 & 0x3FF) << 11);
+ code[1] = (ecc0 & 0x7ff) | ((ecc1 & 0x7ff) << 11);
/* second 3 bytes in ecc_code for second 256
* bytes of 512 page size
_
Patches currently in -mm which might be from vapier.adi@xxxxxxxxx are
blackfin-nfc-driver-fix-bug-do-not-clobber-the-status-from-the-first-256-bytes-if-operating-on-512-pages.patch
blackfin-nfc-driver-fix-bug-hw-ecc-calc-by-making-sure-we-extract-11-bits-from-each-register-instead-of-10.patch
blackfin-nfc-driver-add-support-for-the-ecc-layout-the-blackfin-bootrom-uses.patch
blackfin-nfc-driver-add-proper-devinit-devexit-markings-to-probe-remove-functions.patch
blackfin-nfc-driver-enable-blackfin-nand-hwecc-support-by-default.patch
blackfin-nfc-driver-use-standard-dev_err-rather-than-printk.patch
blackfin-nfc-driver-cleanup-the-error-exit-path-of-bf5xx_nand_probe-function.patch
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