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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>
This commit is contained in:
Boris Brezillon 2016-03-04 17:33:10 +01:00
parent dd26a4584c
commit 336de7b1e0
1 changed files with 2 additions and 1 deletions
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3
drivers/mtd/nand/sunxi_nand.c
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@ -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);
}