From patchwork Thu Aug 28 06:54:22 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 4799471 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id CE45C9F375 for ; Thu, 28 Aug 2014 08:36:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C11B420103 for ; Thu, 28 Aug 2014 08:36:00 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DEBB12012E for ; Thu, 28 Aug 2014 08:35:59 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 8CC441596; Thu, 28 Aug 2014 07:34:48 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id E223F1430 for ; Thu, 28 Aug 2014 07:34:28 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 71EA61F88A for ; Thu, 28 Aug 2014 07:34:28 +0000 (UTC) Received: from ayumi.isobedori.kobe.vergenet.net (p4222-ipbfp1605kobeminato.hyogo.ocn.ne.jp [114.154.95.222]) by kirsty.vergenet.net (Postfix) with ESMTP id C04FE2671CE; Thu, 28 Aug 2014 17:07:46 +1000 (EST) Received: by ayumi.isobedori.kobe.vergenet.net (Postfix, from userid 7100) id 50A0CEDE8E3; Thu, 28 Aug 2014 16:07:44 +0900 (JST) From: Simon Horman To: ltsi-dev@lists.linuxfoundation.org Date: Thu, 28 Aug 2014 15:54:22 +0900 Message-Id: <1409209620-24487-137-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1409209620-24487-1-git-send-email-horms+renesas@verge.net.au> References: <1409209620-24487-1-git-send-email-horms+renesas@verge.net.au> X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org Cc: Magnus Damm Subject: [LTSI-dev] [PATCH LTSI-3.14 136/894] spi: sh-msiof: Convert to let spi core validate xfer->bits_per_word X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Geert Uytterhoeven Set bits_per_word_mask so the spi core will reject transfers that attempt to use an unsupported bits_per_word value. Signed-off-by: Geert Uytterhoeven Acked-by: Magnus Damm Signed-off-by: Mark Brown (cherry picked from commit 2416289c714343ea855e725d59d42668a9ab3cf6) Signed-off-by: Simon Horman --- drivers/spi/spi-sh-msiof.c | 19 ++----------------- 1 file changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 9e891c3..e41e78a 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -438,22 +438,6 @@ static u32 sh_msiof_spi_hz(struct spi_device *spi, struct spi_transfer *t) return hz; } -static int sh_msiof_spi_setup_transfer(struct spi_device *spi, - struct spi_transfer *t) -{ - int bits; - - /* noting to check hz values against since parent clock is disabled */ - - bits = sh_msiof_spi_bits(spi, t); - if (bits < 8) - return -EINVAL; - if (bits > 32) - return -EINVAL; - - return spi_bitbang_setup_transfer(spi, t); -} - static int sh_msiof_spi_setup(struct spi_device *spi) { struct device_node *np = spi->master->dev.of_node; @@ -825,10 +809,11 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) master->cleanup = spi_bitbang_cleanup; master->prepare_message = sh_msiof_prepare_message; master->unprepare_message = sh_msiof_unprepare_message; + master->bits_per_word_mask = SPI_BPW_RANGE_MASK(8, 32); p->bitbang.master = master; p->bitbang.chipselect = sh_msiof_spi_chipselect; - p->bitbang.setup_transfer = sh_msiof_spi_setup_transfer; + p->bitbang.setup_transfer = spi_bitbang_setup_transfer; p->bitbang.txrx_bufs = sh_msiof_spi_txrx; p->bitbang.txrx_word[SPI_MODE_0] = sh_msiof_spi_txrx_word; p->bitbang.txrx_word[SPI_MODE_1] = sh_msiof_spi_txrx_word;