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[89.207.88.245]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30c3f0e99f6sm6253581fa.37.2025.03.14.08.29.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Mar 2025 08:29:54 -0700 (PDT) From: Sergey Khimich To: linux-media@vger.kernel.org Cc: Philipp Zabel , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Vladimir Yakovlev , Maksim Turok Subject: [PATCH 06/18] media: coda: Add reset device before getting interrupt Date: Fri, 14 Mar 2025 18:29:27 +0300 Message-Id: <20250314152939.2759573-7-serghox@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20250314152939.2759573-1-serghox@gmail.com> References: <20250314152939.2759573-1-serghox@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Vladimir Yakovlev Get access to the reset and reset the Coda HW before getting interrupt because sometimes after hot boot(reboot) irq can remain from previous session. Co-developed-by: Sergey Khimich Signed-off-by: Sergey Khimich Signed-off-by: Vladimir Yakovlev --- .../platform/chips-media/coda/coda-common.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/chips-media/coda/coda-common.c b/driver= s/media/platform/chips-media/coda/coda-common.c index b240091cdc9d..33c7e8398f31 100644 --- a/drivers/media/platform/chips-media/coda/coda-common.c +++ b/drivers/media/platform/chips-media/coda/coda-common.c @@ -3177,6 +3177,15 @@ static int coda_probe(struct platform_device *pdev) if (IS_ERR(dev->regs_base)) return PTR_ERR(dev->regs_base); =20 + dev->rstc =3D devm_reset_control_array_get_optional_exclusive(&pdev->dev); + if (IS_ERR(dev->rstc)) { + ret =3D PTR_ERR(dev->rstc); + dev_err(&pdev->dev, "failed get reset control: %d\n", ret); + return ret; + } + + reset_control_reset(dev->rstc); + /* IRQ */ irq =3D platform_get_irq_byname(pdev, "bit"); if (irq < 0) @@ -3209,13 +3218,6 @@ static int coda_probe(struct platform_device *pdev) } } =20 - dev->rstc =3D devm_reset_control_array_get_optional_exclusive(&pdev->dev); - if (IS_ERR(dev->rstc)) { - ret =3D PTR_ERR(dev->rstc); - dev_err(&pdev->dev, "failed get reset control: %d\n", ret); - return ret; - } - /* Get IRAM pool from device tree */ pool =3D of_gen_pool_get(np, "iram", 0); if (!pool) { --=20 2.30.2