tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
mtd: nand: sunxi: fix support for 512bytes ECC chunks
The driver is incorrectly assuming that the ECC block size is always 1k
which is not always true.
Also take the other cases into account.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
+4
+4
drivers/mtd/nand/sunxi_nand.c
+4
drivers/mtd/nand/sunxi_nand.c
···
145
145
#define NFC_ECC_PIPELINE BIT(3)
146
146
#define NFC_ECC_EXCEPTION BIT(4)
147
147
#define NFC_ECC_BLOCK_SIZE_MSK BIT(5)
148
+
#define NFC_ECC_BLOCK_512 BIT(5)
148
149
#define NFC_RANDOM_EN BIT(9)
149
150
#define NFC_RANDOM_DIRECTION BIT(10)
150
151
#define NFC_ECC_MODE_MSK GENMASK(15, 12)
···
817
816
NFC_ECC_BLOCK_SIZE_MSK);
818
817
ecc_ctl |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION |
819
818
NFC_ECC_PIPELINE;
819
+
820
+
if (nand->ecc.size == 512)
821
+
ecc_ctl |= NFC_ECC_BLOCK_512;
820
822
821
823
writel(ecc_ctl, nfc->regs + NFC_REG_ECC_CTL);
822
824
}