Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753550AbcCGQWO (ORCPT ); Mon, 7 Mar 2016 11:22:14 -0500 Received: from down.free-electrons.com ([37.187.137.238]:46272 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753334AbcCGQVl (ORCPT ); Mon, 7 Mar 2016 11:21:41 -0500 From: Boris Brezillon To: David Woodhouse , Brian Norris , linux-mtd@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Maxime Ripard , Chen-Yu Tsai , linux-sunxi@googlegroups.com, Boris Brezillon Subject: [PATCH 13/16] mtd: nand: enable ECC pipelining Date: Mon, 7 Mar 2016 17:21:32 +0100 Message-Id: <1457367695-26420-4-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1457367695-26420-1-git-send-email-boris.brezillon@free-electrons.com> References: <1457367513-26069-1-git-send-email-boris.brezillon@free-electrons.com> <1457367695-26420-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 890 Lines: 24 When the NAND controller operates in DMA mode it can pipeline ECC operations which improves the throughput. Signed-off-by: Boris Brezillon --- drivers/mtd/nand/sunxi_nand.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index 931c33d..9816cda 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -743,7 +743,8 @@ 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); } -- 2.1.4