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Mon, 3 Feb 2020 11:08:59 +0100 (CET) Received: from localhost (10.75.127.46) by SFHDAG6NODE2.st.com (10.75.127.17) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Mon, 3 Feb 2020 11:08:59 +0100 From: Olivier Moysan To: , , , , , , , , , , Date: Mon, 3 Feb 2020 11:08:10 +0100 Message-ID: <20200203100814.22944-3-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: [10.75.127.46] X-ClientProxiedBy: SFHDAG8NODE2.st.com (10.75.127.23) 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 Cc: Etienne Carriere Subject: [alsa-devel] [PATCH 2/6] ASoC: stm32: spdifrx: manage error when getting reset controller X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Return an error when the SPDIFRX driver fails to get a reset controller. Also add an error trace, except on probe defer status. Signed-off-by: Etienne Carriere Signed-off-by: Olivier Moysan --- sound/soc/stm/stm32_spdifrx.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c index 3769d9ce5dbe..9f80ddf34443 100644 --- a/sound/soc/stm/stm32_spdifrx.c +++ b/sound/soc/stm/stm32_spdifrx.c @@ -978,12 +978,16 @@ static int stm32_spdifrx_probe(struct platform_device *pdev) return ret; } - rst = devm_reset_control_get_exclusive(&pdev->dev, NULL); - if (!IS_ERR(rst)) { - reset_control_assert(rst); - udelay(2); - reset_control_deassert(rst); + rst = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL); + if (IS_ERR(rst)) { + if (PTR_ERR(rst) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Reset controller error %ld\n", + PTR_ERR(rst)); + return PTR_ERR(rst); } + reset_control_assert(rst); + udelay(2); + reset_control_deassert(rst); ret = devm_snd_soc_register_component(&pdev->dev, &stm32_spdifrx_component,