mtd: nand: enable ECC pipelining

When the NAND controller operates in DMA mode it can pipeline ECC
operations which improves the throughput.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index cad20fb..fe3730a 100644 (file)
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -742,7 +742,8 @@ static void sunxi_nfc_hw_ecc_enable(struct mtd_info *mtd)
        ecc_ctl = readl(nfc->regs + NFC_REG_ECC_CTL);
        ecc_ctl &= ~(NFC_ECC_MODE_MSK | NFC_ECC_PIPELINE |
                     NFC_ECC_BLOCK_SIZE_MSK);
-       ecc_ctl |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION;
+       ecc_ctl |= NFC_ECC_EN | NFC_ECC_MODE(data->mode) | NFC_ECC_EXCEPTION |
+                  NFC_ECC_PIPELINE;
 
        writel(ecc_ctl, nfc->regs + NFC_REG_ECC_CTL);
 }