Message ID | 20200901152713.18629-10-krzk@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD8F7-00038P-BN; Tue, 01 Sep 2020 15:30:41 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kD8D8-0001s2-Gi; Tue, 01 Sep 2020 15:28:39 +0000 Received: from kozik-lap.mshome.net (unknown [194.230.155.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id ABB7D214D8; Tue, 1 Sep 2020 15:28:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974117; bh=NaQTcz4Nx7tejgYOZkje1gbrDOO+iWUUqbxrXjzVwak=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ysl+WcfJY4JrmGMlfKduw86YoqyKEsHDVyFgGTtIScPzzBT8pfyFC3CEd0TkFQwCU SLGsGIXMQSRI4a7MxNOyzQRog+SMTTGwNq3wLLPq18fHesHTWrj0k5lKNQ4reIlUCZ cn1+8VuKHP+mw5xjf3WYuTg45e33rJenTaZhTKR8= From: Krzysztof Kozlowski <krzk@kernel.org> To: Tudor Ambarus <tudor.ambarus@microchip.com>, Mark Brown <broonie@kernel.org>, Nicolas Ferre <nicolas.ferre@microchip.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Ludovic Desroches <ludovic.desroches@microchip.com>, Nicolas Saenz Julienne <nsaenzjulienne@suse.de>, Florian Fainelli <f.fainelli@gmail.com>, Ray Jui <rjui@broadcom.com>, Scott Branden <sbranden@broadcom.com>, bcm-kernel-feedback-list@broadcom.com, Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Orson Zhai <orsonzhai@gmail.com>, Baolin Wang <baolin.wang7@gmail.com>, Chunyan Zhang <zhang.lyra@gmail.com>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@st.com>, Masahisa Kojima <masahisa.kojima@linaro.org>, Jassi Brar <jaswinder.singh@linaro.org>, Laxman Dewangan <ldewangan@nvidia.com>, Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-tegra@vger.kernel.org Subject: [PATCH 10/11] spi: tegra114: Simplify with dev_err_probe() Date: Tue, 1 Sep 2020 17:27:12 +0200 Message-Id: <20200901152713.18629-10-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200901152713.18629-1-krzk@kernel.org> References: <20200901152713.18629-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200901_112838_663546_3C0B3839 X-CRM114-Status: GOOD ( 15.17 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Krzysztof Kozlowski <krzk@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
Series |
[01/11] spi: sprd: Release DMA channel also on probe deferral
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diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index c2c58871a947..ca6886aaa519 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -664,16 +664,11 @@ static int tegra_spi_init_dma_param(struct tegra_spi_data *tspi, struct dma_chan *dma_chan; u32 *dma_buf; dma_addr_t dma_phys; - int ret; dma_chan = dma_request_chan(tspi->dev, dma_to_memory ? "rx" : "tx"); - if (IS_ERR(dma_chan)) { - ret = PTR_ERR(dma_chan); - if (ret != -EPROBE_DEFER) - dev_err(tspi->dev, - "Dma channel is not available: %d\n", ret); - return ret; - } + if (IS_ERR(dma_chan)) + return dev_err_probe(tspi->dev, PTR_ERR(dma_chan), + "Dma channel is not available\n"); dma_buf = dma_alloc_coherent(tspi->dev, tspi->dma_buf_size, &dma_phys, GFP_KERNEL);
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> --- drivers/spi/spi-tegra114.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-)