From patchwork Wed Nov 17 10:43:38 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sekhar Nori X-Patchwork-Id: 331701 Received: from arroyo.ext.ti.com (arroyo.ext.ti.com [192.94.94.40]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oAHArMA7011384 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 17 Nov 2010 10:53:53 GMT Received: from dlep33.itg.ti.com ([157.170.170.112]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id oAHAlQqU002175 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 17 Nov 2010 04:47:48 -0600 Received: from linux.omap.com (localhost [127.0.0.1]) by dlep33.itg.ti.com (8.13.7/8.13.7) with ESMTP id oAHAlPMQ009731; Wed, 17 Nov 2010 04:47:25 -0600 (CST) Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id 78EC580628; Wed, 17 Nov 2010 04:47:23 -0600 (CST) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dbdp31.itg.ti.com (dbdp31.itg.ti.com [172.24.170.98]) by linux.omap.com (Postfix) with ESMTP id 913C380628 for ; Wed, 17 Nov 2010 04:44:29 -0600 (CST) Received: from psplinux051.india.ti.com (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id oAHAiOpJ021814; Wed, 17 Nov 2010 16:14:24 +0530 (IST) Received: from psplinux051.india.ti.com (localhost [127.0.0.1]) by psplinux051.india.ti.com (8.13.1/8.13.1) with ESMTP id oAHAiNUQ030317; Wed, 17 Nov 2010 16:14:23 +0530 Received: (from a0875516@localhost) by psplinux051.india.ti.com (8.13.1/8.13.1/Submit) id oAHAiNPe030314; Wed, 17 Nov 2010 16:14:23 +0530 From: Sekhar Nori To: spi-devel-general@lists.sourceforge.net Subject: [PATCH 06/49] spi: davinci: set chip-select mode in SPIDEF only once Date: Wed, 17 Nov 2010 16:13:38 +0530 Message-Id: <1289990661-30126-7-git-send-email-nsekhar@ti.com> X-Mailer: git-send-email 1.6.2.4 In-Reply-To: <1289990661-30126-6-git-send-email-nsekhar@ti.com> References: <1289990661-30126-1-git-send-email-nsekhar@ti.com> <1289990661-30126-2-git-send-email-nsekhar@ti.com> <1289990661-30126-3-git-send-email-nsekhar@ti.com> <1289990661-30126-4-git-send-email-nsekhar@ti.com> <1289990661-30126-5-git-send-email-nsekhar@ti.com> <1289990661-30126-6-git-send-email-nsekhar@ti.com> Cc: Grant Likely , davinci-linux-open-source@linux.davincidsp.com, David Brownell X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: davinci-linux-open-source-bounces@linux.davincidsp.com Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com X-Greylist: Sender succeeded STARTTLS authentication, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Wed, 17 Nov 2010 10:53:54 +0000 (UTC) diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c index 76decda..d6b6a49 100644 --- a/drivers/spi/davinci_spi.c +++ b/drivers/spi/davinci_spi.c @@ -245,8 +245,6 @@ static void davinci_spi_chipselect(struct spi_device *spi, int value) * line for the controller */ if (value == BITBANG_CS_INACTIVE) { - set_io_bits(davinci_spi->base + SPIDEF, CS_DEFAULT); - data1_reg_val |= CS_DEFAULT << SPIDAT1_CSNR_SHIFT; iowrite32(data1_reg_val, davinci_spi->base + SPIDAT1); @@ -1132,6 +1130,8 @@ static int davinci_spi_probe(struct platform_device *pdev) clear_io_bits(davinci_spi->base + SPIGCR1, SPIGCR1_CLKMOD_MASK); + iowrite32(CS_DEFAULT, davinci_spi->base + SPIDEF); + /* master mode default */ set_io_bits(davinci_spi->base + SPIGCR1, SPIGCR1_MASTER_MASK);