From patchwork Mon Jun 20 23:00:08 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 899142 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p5KN0PO0004498 for ; Mon, 20 Jun 2011 23:00:27 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755994Ab1FTXAZ (ORCPT ); Mon, 20 Jun 2011 19:00:25 -0400 Received: from kirsty.vergenet.net ([202.4.237.240]:60668 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755995Ab1FTXAW (ORCPT ); Mon, 20 Jun 2011 19:00:22 -0400 Received: from joe.akashicho.tokyo.vergenet.net (219-109-213-121.bitcat.net [219.109.213.121]) by kirsty.vergenet.net (Postfix) with ESMTP id 473E424067; Tue, 21 Jun 2011 09:00:18 +1000 (EST) Received: by joe.akashicho.tokyo.vergenet.net (Postfix, from userid 7100) id 97AE028A035; Tue, 21 Jun 2011 08:00:15 +0900 (JST) From: Simon Horman To: linux-mmc@vger.kernel.org, linux-sh@vger.kernel.org Cc: Magnus Damm , Guennadi Liakhovetski , Paul Mundt , Chris Ball , Simon Horman Subject: [PATCH 1/5] mmc: tmio: name 0xd8 as CTL_DMA_ENABLE Date: Tue, 21 Jun 2011 08:00:08 +0900 Message-Id: <1308610812-3479-2-git-send-email-horms@verge.net.au> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1308610812-3479-1-git-send-email-horms@verge.net.au> References: <1308610812-3479-1-git-send-email-horms@verge.net.au> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Mon, 20 Jun 2011 23:00:27 +0000 (UTC) This reflects at least the current usage of this register and I think it improves the readability of the code ever so slightly. Cc: Guennadi Liakhovetski Cc: Magnus Damm Signed-off-by: Simon Horman --- Dependencies: none known --- drivers/mmc/host/tmio_mmc_dma.c | 2 +- include/linux/mmc/tmio.h | 1 + 2 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c index 25f1ad6..9c4da66 100644 --- a/drivers/mmc/host/tmio_mmc_dma.c +++ b/drivers/mmc/host/tmio_mmc_dma.c @@ -26,7 +26,7 @@ static void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable) { #if defined(CONFIG_SUPERH) || defined(CONFIG_ARCH_SHMOBILE) /* Switch DMA mode on or off - SuperH specific? */ - writew(enable ? 2 : 0, host->ctl + (0xd8 << host->bus_shift)); + writew(enable ? 2 : 0, host->ctl + (CTL_DMA_ENABLE << host->bus_shift)); #endif } diff --git a/include/linux/mmc/tmio.h b/include/linux/mmc/tmio.h index 19490b9..0a6e40d 100644 --- a/include/linux/mmc/tmio.h +++ b/include/linux/mmc/tmio.h @@ -30,6 +30,7 @@ #define CTL_TRANSACTION_CTL 0x34 #define CTL_SDIO_STATUS 0x36 #define CTL_SDIO_IRQ_MASK 0x38 +#define CTL_DMA_ENABLE 0xd8 #define CTL_RESET_SD 0xe0 #define CTL_SDIO_REGS 0x100 #define CTL_CLK_AND_WAIT_CTL 0x138