From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751839AbaJTQpH (ORCPT ); Mon, 20 Oct 2014 12:45:07 -0400 Received: from mga02.intel.com ([134.134.136.20]:37467 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750716AbaJTQpE (ORCPT ); Mon, 20 Oct 2014 12:45:04 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,757,1406617200"; d="scan'208";a="592512204" From: Vinod Koul To: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Cc: David Woodhouse , Brian Norris , Josh Wu , Jingoo Han , Ezequiel Garcia , Mark Brown , Nicolas Ferre , Bartlomiej Zolnierkiewicz , Herve Codina , Bo Shen , Fabio Estevam , Andrew Morton , Michael Grzeschik , Josh Triplett , Wei Yongjun , Huang Shijie , Michael Opdenacker , Vinod Koul Subject: [PATCH 2/2] mtd: mxc_nand: use __iowrite32_copy for 32 bit copy Date: Mon, 20 Oct 2014 21:36:13 +0530 Message-Id: <1413821173-18347-2-git-send-email-vinod.koul@intel.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1413821173-18347-1-git-send-email-vinod.koul@intel.com> References: <1413821173-18347-1-git-send-email-vinod.koul@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The driver was also using own method to do 32bit copy, turns out we have a kernel API so use that instead Signed-off-by: Vinod Koul --- drivers/mtd/nand/mxc_nand.c | 10 +++------- 1 files changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index dba262b..3794cd7 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -280,14 +280,10 @@ static void memcpy32_fromio(void *trg, const void __iomem *src, size_t size) *t++ = __raw_readl(s++); } -static void memcpy32_toio(void __iomem *trg, const void *src, int size) +static inline void memcpy32_toio(void __iomem *trg, const void *src, int size) { - int i; - u32 __iomem *t = trg; - const u32 *s = src; - - for (i = 0; i < (size >> 2); i++) - __raw_writel(*s++, t++); + /* __iowrite32_copy use 32bit size values so divide by 4 */ + __iowrite32_copy(trg, src, size/4); } static int check_int_v3(struct mxc_nand_host *host) -- 1.7.0.4