From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="v9l0YYAe" Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ECF3393; Mon, 11 Dec 2023 10:09:33 -0800 (PST) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 3B358922; Mon, 11 Dec 2023 19:08:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1702318128; bh=nSEgZ3BmAZuUqBLLw01yamX9L8j3gOmdBUMb6OLQrOI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=v9l0YYAemrZx3jrxGD1vAAOV2InFLLDa9fbxqZNlqFi38ZG3NMqELpaj0E8pl0KSW Xue47+p39mSjhq7jkBwla8gzeU9WH7IWwG/QZ4c9oKR6J/Rzgd22JuCxjeutx8qILi PxQGrCYkPBocbXdlsj/yP5X00O/NAuKepQtnts8Q= Date: Mon, 11 Dec 2023 20:09:39 +0200 From: Laurent Pinchart To: Mikhail Rudenko Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Sakari Ailus , Jacopo Mondi , Tommaso Merciai , Christophe JAILLET , Dave Stevenson , Mauro Carvalho Chehab Subject: Re: [PATCH 04/19] media: i2c: ov4689: Remove i2c_client from ov4689 struct Message-ID: <20231211180939.GC27535@pendragon.ideasonboard.com> References: <20231211175023.1680247-1-mike.rudenko@gmail.com> <20231211175023.1680247-5-mike.rudenko@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20231211175023.1680247-5-mike.rudenko@gmail.com> Hi Mikhail, Thank you for the patch. On Mon, Dec 11, 2023 at 08:50:07PM +0300, Mikhail Rudenko wrote: > The 'client' field within the 'ov4689' structure is solely used to > access its 'dev' member. This commit removes the 'client' field and > directly stores a pointer to the 'struct device'. > > Signed-off-by: Mikhail Rudenko Reviewed-by: Laurent Pinchart > --- > drivers/media/i2c/ov4689.c | 36 ++++++++++++++++++------------------ > 1 file changed, 18 insertions(+), 18 deletions(-) > > diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c > index 51a15810cb1d..8c120d7f7830 100644 > --- a/drivers/media/i2c/ov4689.c > +++ b/drivers/media/i2c/ov4689.c > @@ -78,7 +78,7 @@ struct ov4689_mode { > }; > > struct ov4689 { > - struct i2c_client *client; > + struct device *dev; > struct regmap *regmap; > struct clk *xvclk; > struct gpio_desc *reset_gpio; > @@ -409,13 +409,13 @@ static int ov4689_get_selection(struct v4l2_subdev *sd, > static int ov4689_s_stream(struct v4l2_subdev *sd, int on) > { > struct ov4689 *ov4689 = to_ov4689(sd); > - struct i2c_client *client = ov4689->client; > + struct device *dev = ov4689->dev; > int ret = 0; > > mutex_lock(&ov4689->mutex); > > if (on) { > - ret = pm_runtime_resume_and_get(&client->dev); > + ret = pm_runtime_resume_and_get(dev); > if (ret < 0) > goto unlock_and_return; > > @@ -424,26 +424,26 @@ static int ov4689_s_stream(struct v4l2_subdev *sd, int on) > ov4689->cur_mode->num_regs, > NULL); > if (ret) { > - pm_runtime_put(&client->dev); > + pm_runtime_put(dev); > goto unlock_and_return; > } > > ret = __v4l2_ctrl_handler_setup(&ov4689->ctrl_handler); > if (ret) { > - pm_runtime_put(&client->dev); > + pm_runtime_put(dev); > goto unlock_and_return; > } > > ret = cci_write(ov4689->regmap, OV4689_REG_CTRL_MODE, > OV4689_MODE_STREAMING, NULL); > if (ret) { > - pm_runtime_put(&client->dev); > + pm_runtime_put(dev); > goto unlock_and_return; > } > } else { > cci_write(ov4689->regmap, OV4689_REG_CTRL_MODE, > OV4689_MODE_SW_STANDBY, NULL); > - pm_runtime_put(&client->dev); > + pm_runtime_put(dev); > } > > unlock_and_return: > @@ -557,7 +557,6 @@ static const struct v4l2_subdev_ops ov4689_subdev_ops = { > */ > static int ov4689_map_gain(struct ov4689 *ov4689, int logical_gain, int *result) > { > - const struct device *dev = &ov4689->client->dev; > const struct ov4689_gain_range *range; > unsigned int n; > > @@ -568,7 +567,8 @@ static int ov4689_map_gain(struct ov4689 *ov4689, int logical_gain, int *result) > } > > if (n == ARRAY_SIZE(ov4689_gain_ranges)) { > - dev_warn_ratelimited(dev, "no mapping found for gain %d\n", > + dev_warn_ratelimited(ov4689->dev, > + "no mapping found for gain %d\n", > logical_gain); > return -EINVAL; > } > @@ -584,7 +584,7 @@ static int ov4689_set_ctrl(struct v4l2_ctrl *ctrl) > { > struct ov4689 *ov4689 = > container_of(ctrl->handler, struct ov4689, ctrl_handler); > - struct i2c_client *client = ov4689->client; > + struct device *dev = ov4689->dev; > int sensor_gain; > s64 max_expo; > int ret; > @@ -601,7 +601,7 @@ static int ov4689_set_ctrl(struct v4l2_ctrl *ctrl) > break; > } > > - if (!pm_runtime_get_if_in_use(&client->dev)) > + if (!pm_runtime_get_if_in_use(dev)) > return 0; > > switch (ctrl->id) { > @@ -629,13 +629,13 @@ static int ov4689_set_ctrl(struct v4l2_ctrl *ctrl) > ret = ov4689_enable_test_pattern(ov4689, ctrl->val); > break; > default: > - dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", > + dev_warn(dev, "%s Unhandled id:0x%x, val:0x%x\n", > __func__, ctrl->id, ctrl->val); > ret = -EINVAL; > break; > } > > - pm_runtime_put(&client->dev); > + pm_runtime_put(dev); > > return ret; > } > @@ -700,8 +700,7 @@ static int ov4689_initialize_controls(struct ov4689 *ov4689) > > if (handler->error) { > ret = handler->error; > - dev_err(&ov4689->client->dev, "Failed to init controls(%d)\n", > - ret); > + dev_err(ov4689->dev, "Failed to init controls(%d)\n", ret); > goto err_free_handler; > } > > @@ -727,7 +726,7 @@ static int ov4689_initialize_controls(struct ov4689 *ov4689) > static int ov4689_check_sensor_id(struct ov4689 *ov4689, > struct i2c_client *client) > { > - struct device *dev = &ov4689->client->dev; > + struct device *dev = ov4689->dev; > u64 id = 0; > int ret; > > @@ -755,7 +754,7 @@ static int ov4689_configure_regulators(struct ov4689 *ov4689) > for (i = 0; i < ARRAY_SIZE(ov4689_supply_names); i++) > ov4689->supplies[i].supply = ov4689_supply_names[i]; > > - return devm_regulator_bulk_get(&ov4689->client->dev, > + return devm_regulator_bulk_get(ov4689->dev, > ARRAY_SIZE(ov4689_supply_names), > ov4689->supplies); > } > @@ -824,7 +823,8 @@ static int ov4689_probe(struct i2c_client *client) > if (!ov4689) > return -ENOMEM; > > - ov4689->client = client; > + ov4689->dev = dev; > + > ov4689->cur_mode = &supported_modes[OV4689_MODE_2688_1520]; > > ov4689->xvclk = devm_clk_get_optional(dev, NULL); -- Regards, Laurent Pinchart