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Mon, 03 Feb 2020 11:09:05 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id B203F10002A; Mon, 3 Feb 2020 11:09:04 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag6node2.st.com [10.75.127.17]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id A599B2BE22E; Mon, 3 Feb 2020 11:09:04 +0100 (CET) Received: from localhost (10.75.127.47) by SFHDAG6NODE2.st.com (10.75.127.17) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 3 Feb 2020 11:09:04 +0100 From: Olivier Moysan To: , , , , , , , , , , Subject: [PATCH 6/6] ASoC: stm32: i2s: improve error management on probe deferral Date: Mon, 3 Feb 2020 11:08:14 +0100 Message-ID: <20200203100814.22944-7-olivier.moysan@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200203100814.22944-1-olivier.moysan@st.com> References: <20200203100814.22944-1-olivier.moysan@st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.47] X-ClientProxiedBy: SFHDAG7NODE3.st.com (10.75.127.21) To SFHDAG6NODE2.st.com (10.75.127.17) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-03_02:2020-02-02, 2020-02-03 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200203_020913_336038_76E5F59D X-CRM114-Status: GOOD ( 13.97 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [91.207.212.93 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Etienne Carriere Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Do not print an error trace when deferring probe for I2S driver. Signed-off-by: Etienne Carriere Signed-off-by: Olivier Moysan --- sound/soc/stm/stm32_i2s.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c index cdcc00d9a67e..2478405727c3 100644 --- a/sound/soc/stm/stm32_i2s.c +++ b/sound/soc/stm/stm32_i2s.c @@ -831,25 +831,33 @@ static int stm32_i2s_parse_dt(struct platform_device *pdev, /* Get clocks */ i2s->pclk = devm_clk_get(&pdev->dev, "pclk"); if (IS_ERR(i2s->pclk)) { - dev_err(&pdev->dev, "Could not get pclk\n"); + if (PTR_ERR(i2s->pclk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Could not get pclk: %ld\n", + PTR_ERR(i2s->pclk)); return PTR_ERR(i2s->pclk); } i2s->i2sclk = devm_clk_get(&pdev->dev, "i2sclk"); if (IS_ERR(i2s->i2sclk)) { - dev_err(&pdev->dev, "Could not get i2sclk\n"); + if (PTR_ERR(i2s->i2sclk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Could not get i2sclk: %ld\n", + PTR_ERR(i2s->i2sclk)); return PTR_ERR(i2s->i2sclk); } i2s->x8kclk = devm_clk_get(&pdev->dev, "x8k"); if (IS_ERR(i2s->x8kclk)) { - dev_err(&pdev->dev, "missing x8k parent clock\n"); + if (PTR_ERR(i2s->x8kclk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Could not get x8k parent clock: %ld\n", + PTR_ERR(i2s->x8kclk)); return PTR_ERR(i2s->x8kclk); } i2s->x11kclk = devm_clk_get(&pdev->dev, "x11k"); if (IS_ERR(i2s->x11kclk)) { - dev_err(&pdev->dev, "missing x11k parent clock\n"); + if (PTR_ERR(i2s->x11kclk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Could not get x11k parent clock: %ld\n", + PTR_ERR(i2s->x11kclk)); return PTR_ERR(i2s->x11kclk); } @@ -907,7 +915,9 @@ static int stm32_i2s_probe(struct platform_device *pdev) i2s->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "pclk", i2s->base, i2s->regmap_conf); if (IS_ERR(i2s->regmap)) { - dev_err(&pdev->dev, "regmap init failed\n"); + if (PTR_ERR(i2s->regmap) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Regmap init error %ld\n", + PTR_ERR(i2s->regmap)); return PTR_ERR(i2s->regmap); } @@ -918,8 +928,11 @@ static int stm32_i2s_probe(struct platform_device *pdev) ret = devm_snd_dmaengine_pcm_register(&pdev->dev, &stm32_i2s_pcm_config, 0); - if (ret) + if (ret) { + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "PCM DMA register error %d\n", ret); return ret; + } /* Set SPI/I2S in i2s mode */ ret = regmap_update_bits(i2s->regmap, STM32_I2S_CGFR_REG,