From: Hans de Goede Date: Sat, 15 Aug 2015 10:43:26 +0000 (+0200) Subject: sunxi_nand_spl: Do not bother writing the spare-area reg in syndrome mode X-Git-Tag: v2015.10-rc3~40^2~22 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9da5fca55cbf9465052256346f6e61968acedf2f;p=platform%2Fkernel%2Fu-boot.git sunxi_nand_spl: Do not bother writing the spare-area reg in syndrome mode In syndrome mode we set the NFC_SEQ bit in the command register, so the spare-area register is not used. Also the value currently being written is actual wrong, the ecc sits at "column + CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE" not just CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE. So the current code only serves to confuse the user -> remove it. Signed-off-by: Hans de Goede Acked-by: Ian Campbell --- diff --git a/drivers/mtd/nand/sunxi_nand_spl.c b/drivers/mtd/nand/sunxi_nand_spl.c index 56c0be0..f6f4928 100644 --- a/drivers/mtd/nand/sunxi_nand_spl.c +++ b/drivers/mtd/nand/sunxi_nand_spl.c @@ -256,10 +256,7 @@ static void nand_read_page(unsigned int real_addr, dma_addr_t dst, val = readl(SUNXI_NFC_BASE + NFC_CTL); writel(val | NFC_CTL_RAM_METHOD, SUNXI_NFC_BASE + NFC_CTL); - if (syndrome) { - writel(CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE, - SUNXI_NFC_BASE + NFC_SPARE_AREA); - } else { + if (!syndrome) { oob_offset = CONFIG_NAND_SUNXI_SPL_PAGE_SIZE + (column / CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE) * ecc_off;