From patchwork Fri Feb 17 13:22:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 9579801 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A73AC600C5 for ; Fri, 17 Feb 2017 13:22:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 96809286D6 for ; Fri, 17 Feb 2017 13:22:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8A343286DA; Fri, 17 Feb 2017 13:22:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 33454286D6 for ; Fri, 17 Feb 2017 13:22:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933787AbdBQNWi (ORCPT ); Fri, 17 Feb 2017 08:22:38 -0500 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:39892 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933838AbdBQNWi (ORCPT ); Fri, 17 Feb 2017 08:22:38 -0500 Received: from [2001:470:1f1d:6b5::3] (helo=debutante) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1ceiUb-0004Wv-0d; Fri, 17 Feb 2017 13:22:35 +0000 Received: from broonie by debutante with local (Exim 4.88) (envelope-from ) id 1ceiUY-00040s-5s; Fri, 17 Feb 2017 13:22:30 +0000 From: Mark Brown To: Prahlad V Cc: Mark Brown , broonie@kernel.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org In-Reply-To: <20170216203335.27182-1-prahlad.eee@gmail.com> Message-Id: Date: Fri, 17 Feb 2017 13:22:30 +0000 X-SA-Exim-Connect-IP: 2001:470:1f1d:6b5::3 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Applied "spi: ti-qspi: revise ti_qspi_probe() failure flow" to the spi tree X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: No (on mezzanine.sirena.org.uk); Unknown failure Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch spi: ti-qspi: revise ti_qspi_probe() failure flow has been applied to the spi tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From cce59c225920309e03c2ea350ed6a0e233e33963 Mon Sep 17 00:00:00 2001 From: Prahlad V Date: Fri, 17 Feb 2017 02:03:35 +0530 Subject: [PATCH] spi: ti-qspi: revise ti_qspi_probe() failure flow call spi_master_put() in case of failures after spi_alloc_master(). call pm_runtime_disable() in case of failures after pm_runtime_enable(). Signed-off-by: Prahlad V Signed-off-by: Mark Brown --- drivers/spi/spi-ti-qspi.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index ec6fb09e2e17..e784d0f64dc1 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -652,7 +652,8 @@ static int ti_qspi_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (r == NULL) { dev_err(&pdev->dev, "missing platform data\n"); - return -ENODEV; + ret = -ENODEV; + goto free_master; } } @@ -669,7 +670,8 @@ static int ti_qspi_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) { dev_err(&pdev->dev, "no irq resource?\n"); - return irq; + ret = irq; + goto free_master; } mutex_init(&qspi->list_lock); @@ -685,15 +687,17 @@ static int ti_qspi_probe(struct platform_device *pdev) qspi->ctrl_base = syscon_regmap_lookup_by_phandle(np, "syscon-chipselects"); - if (IS_ERR(qspi->ctrl_base)) - return PTR_ERR(qspi->ctrl_base); + if (IS_ERR(qspi->ctrl_base)) { + ret = PTR_ERR(qspi->ctrl_base); + goto free_master; + } ret = of_property_read_u32_index(np, "syscon-chipselects", 1, &qspi->ctrl_reg); if (ret) { dev_err(&pdev->dev, "couldn't get ctrl_mod reg index\n"); - return ret; + goto free_master; } } @@ -742,6 +746,7 @@ static int ti_qspi_probe(struct platform_device *pdev) if (!ret) return 0; + pm_runtime_disable(&pdev->dev); free_master: spi_master_put(master); return ret;