From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 188D8336EC5; Wed, 11 Mar 2026 19:11:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773256265; cv=none; b=c5Ju4HdjwjxC+qS3aPkAdq+1NJ7ERSTdylus7DfhePYb3EI7jill7jef9k4VQPJDALsOLkheCR+ETg8g1rr6/aTRdDfqSZD1NtZc1yq0AZd8/NDbL2R1hsL11WkecmrxuHjnB5bf3QMb79JUYbAXtIVbbLh1sUO76HmZN10JhkQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773256265; c=relaxed/simple; bh=TQwOXVY3okpMDz/qRr33ckVvqzM5sFn3aQxkMqIQM9U=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hAsQlMT3XjQZHX9jUtHWvxB8Jp8RsZF/8Cs9SLBsVt6Mbt6mxdp2aFpWuKsACs+AXfP2fqjmckgG5qdHhsY2Mks8ox35199JMNs4EK+RYhzhZ/+veLt+svM6qfxTu7otKlKlWNjI+65MtHY2cis1OIT4etLNhEP0qbLEA1+yngg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=s9aLLEWW; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="s9aLLEWW" Received: from [192.168.0.43] (cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 871FF379; Wed, 11 Mar 2026 20:09:53 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1773256194; bh=TQwOXVY3okpMDz/qRr33ckVvqzM5sFn3aQxkMqIQM9U=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=s9aLLEWWxLLoSEQdPI0QgiFvZ3fUsyBEoL77StGbkHgAnZHsYBh/KdU/A6fxlECdX /l1kg5RShuci77ga7z3/M/g+yqddf8OrRn1z95H8MLu67In45cocz63av9/a8Ki/4x UreIzFHXiJ6lrPrAb/b7vG9Z6JmZd32nJ92AuLnA= Message-ID: Date: Wed, 11 Mar 2026 19:10:58 +0000 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/5] media: i2c: ov5675: Wait for endpoint To: Antti Laakso , linux-media@vger.kernel.org Cc: linux-gpio@vger.kernel.org, platform-driver-x86@vger.kernel.org, linusw@kernel.org, brgl@kernel.org, sakari.ailus@linux.intel.com, mchehab@kernel.org, hansg@kernel.org, ilpo.jarvinen@linux.intel.com, hverkuil+cisco@kernel.org, sre@kernel.org, hao.yao@intel.com, jimmy.su@intel.com, miguel.vadillo@intel.com, kees@kernel.org, ribalda@chromium.org References: <20260311131910.835513-1-antti.laakso@linux.intel.com> <20260311131910.835513-2-antti.laakso@linux.intel.com> Content-Language: en-US From: Dan Scally In-Reply-To: <20260311131910.835513-2-antti.laakso@linux.intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Antti, thanks for the v2 On 11/03/2026 13:19, Antti Laakso wrote: > Defer probe if endpoint is not yet available. And do it before acquiring > clock, gpio and regulators. > > Signed-off-by: Antti Laakso > --- Reviewed-by: Daniel Scally > drivers/media/i2c/ov5675.c | 32 ++++++++++++++++---------------- > 1 file changed, 16 insertions(+), 16 deletions(-) > > diff --git a/drivers/media/i2c/ov5675.c b/drivers/media/i2c/ov5675.c > index ea26df328189..508149485248 100644 > --- a/drivers/media/i2c/ov5675.c > +++ b/drivers/media/i2c/ov5675.c > @@ -1181,17 +1181,26 @@ static int ov5675_get_hwcfg(struct ov5675 *ov5675) > if (!fwnode) > return -ENXIO; > > + ep = fwnode_graph_get_endpoint_by_id(fwnode, 0, 0, > + FWNODE_GRAPH_ENDPOINT_NEXT); > + ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); > + fwnode_handle_put(ep); > + if (ret) > + return ret; > + > ov5675->xvclk = devm_v4l2_sensor_clk_get(dev, NULL); > - if (IS_ERR(ov5675->xvclk)) > - return dev_err_probe(dev, PTR_ERR(ov5675->xvclk), > - "failed to get xvclk: %pe\n", > - ov5675->xvclk); > + if (IS_ERR(ov5675->xvclk)) { > + ret = dev_err_probe(dev, PTR_ERR(ov5675->xvclk), > + "failed to get xvclk\n"); > + goto check_hwcfg_error; > + } > > xvclk_rate = clk_get_rate(ov5675->xvclk); > if (xvclk_rate != OV5675_XVCLK_19_2) { > dev_err(dev, "external clock rate %u is unsupported", > xvclk_rate); > - return -EINVAL; > + ret = -EINVAL; > + goto check_hwcfg_error; > } > > ov5675->reset_gpio = devm_gpiod_get_optional(dev, "reset", > @@ -1199,7 +1208,7 @@ static int ov5675_get_hwcfg(struct ov5675 *ov5675) > if (IS_ERR(ov5675->reset_gpio)) { > ret = PTR_ERR(ov5675->reset_gpio); > dev_err(dev, "failed to get reset-gpios: %d\n", ret); > - return ret; > + goto check_hwcfg_error; > } > > for (i = 0; i < OV5675_NUM_SUPPLIES; i++) > @@ -1208,16 +1217,7 @@ static int ov5675_get_hwcfg(struct ov5675 *ov5675) > ret = devm_regulator_bulk_get(dev, OV5675_NUM_SUPPLIES, > ov5675->supplies); > if (ret) > - return ret; > - > - ep = fwnode_graph_get_next_endpoint(fwnode, NULL); > - if (!ep) > - return -ENXIO; > - > - ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); > - fwnode_handle_put(ep); > - if (ret) > - return ret; > + goto check_hwcfg_error; > > if (bus_cfg.bus.mipi_csi2.num_data_lanes != OV5675_DATA_LANES) { > dev_err(dev, "number of CSI2 data lanes %d is not supported",