From: Laurent Pinchart Date: Tue, 12 Aug 2025 21:45:32 +0000 (+0300) Subject: media: i2c: ov02e10: Replace client->dev usage X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=d1f4dbef9c950aa809ad48915e9bdbe1dc1d11b9;p=users%2Fhch%2Fmisc.git media: i2c: ov02e10: Replace client->dev usage The driver needs to access the struct device in many places, and retrieves it from the i2c_client itself retrieved with v4l2_get_subdevdata(). Store it as a pointer in struct ov02e10 and access it from there instead, to simplify the driver. Signed-off-by: Laurent Pinchart Signed-off-by: Sakari Ailus Reviewed-by: Mehdi Djait Signed-off-by: Hans Verkuil --- diff --git a/drivers/media/i2c/ov02e10.c b/drivers/media/i2c/ov02e10.c index 4556d9445906..4db80227ce93 100644 --- a/drivers/media/i2c/ov02e10.c +++ b/drivers/media/i2c/ov02e10.c @@ -226,6 +226,8 @@ static const char * const ov02e10_supply_names[] = { }; struct ov02e10 { + struct device *dev; + struct regmap *regmap; struct v4l2_subdev sd; struct media_pad pad; @@ -288,7 +290,6 @@ static int ov02e10_set_ctrl(struct v4l2_ctrl *ctrl) { struct ov02e10 *ov02e10 = container_of(ctrl->handler, struct ov02e10, ctrl_handler); - struct i2c_client *client = v4l2_get_subdevdata(&ov02e10->sd); s64 exposure_max; int ret; @@ -307,7 +308,7 @@ static int ov02e10_set_ctrl(struct v4l2_ctrl *ctrl) } /* V4L2 controls values will be applied only when power is already up */ - if (!pm_runtime_get_if_in_use(&client->dev)) + if (!pm_runtime_get_if_in_use(ov02e10->dev)) return 0; ret = cci_write(ov02e10->regmap, OV02E10_REG_COMMAND_UPDATE, @@ -363,7 +364,7 @@ static int ov02e10_set_ctrl(struct v4l2_ctrl *ctrl) cci_write(ov02e10->regmap, OV02E10_REG_COMMAND_UPDATE, OV02E10_COMMAND_UPDATE, &ret); - pm_runtime_put(&client->dev); + pm_runtime_put(ov02e10->dev); return ret; } @@ -374,7 +375,6 @@ static const struct v4l2_ctrl_ops ov02e10_ctrl_ops = { static int ov02e10_init_controls(struct ov02e10 *ov02e10) { - struct i2c_client *client = v4l2_get_subdevdata(&ov02e10->sd); struct v4l2_ctrl_handler *ctrl_hdlr = &ov02e10->ctrl_handler; const struct ov02e10_mode *mode = ov02e10->cur_mode; u32 vblank_min, vblank_max, vblank_def; @@ -442,7 +442,7 @@ static int ov02e10_init_controls(struct ov02e10 *ov02e10) ARRAY_SIZE(ov02e10_test_pattern_menu) - 1, 0, 0, ov02e10_test_pattern_menu); - ret = v4l2_fwnode_device_parse(&client->dev, &props); + ret = v4l2_fwnode_device_parse(ov02e10->dev, &props); if (ret) return ret; @@ -481,12 +481,11 @@ static int ov02e10_enable_streams(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, u32 pad, u64 streams_mask) { - struct i2c_client *client = v4l2_get_subdevdata(sd); struct ov02e10 *ov02e10 = to_ov02e10(sd); const struct reg_sequence_list *reg_list; int ret; - ret = pm_runtime_resume_and_get(&client->dev); + ret = pm_runtime_resume_and_get(ov02e10->dev); if (ret) return ret; @@ -494,7 +493,7 @@ static int ov02e10_enable_streams(struct v4l2_subdev *sd, ret = regmap_multi_reg_write(ov02e10->regmap, reg_list->regs, reg_list->num_regs); if (ret) { - dev_err(&client->dev, "failed to set mode\n"); + dev_err(ov02e10->dev, "failed to set mode\n"); goto out; } @@ -506,7 +505,7 @@ static int ov02e10_enable_streams(struct v4l2_subdev *sd, out: if (ret) - pm_runtime_put(&client->dev); + pm_runtime_put(ov02e10->dev); return ret; } @@ -515,11 +514,10 @@ static int ov02e10_disable_streams(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, u32 pad, u64 streams_mask) { - struct i2c_client *client = v4l2_get_subdevdata(sd); struct ov02e10 *ov02e10 = to_ov02e10(sd); ov02e10_set_stream_mode(ov02e10, 0); - pm_runtime_put(&client->dev); + pm_runtime_put(ov02e10->dev); return 0; } @@ -724,7 +722,6 @@ static const struct v4l2_subdev_internal_ops ov02e10_internal_ops = { static int ov02e10_identify_module(struct ov02e10 *ov02e10) { - struct i2c_client *client = v4l2_get_subdevdata(&ov02e10->sd); int ret; u64 val; @@ -735,7 +732,7 @@ static int ov02e10_identify_module(struct ov02e10 *ov02e10) return ret; if (val != OV02E10_CHIP_ID) { - dev_err(&client->dev, "chip id mismatch: %x!=%x\n", + dev_err(ov02e10->dev, "chip id mismatch: %x!=%x\n", OV02E10_CHIP_ID, (u32)val); return -ENXIO; } @@ -743,11 +740,12 @@ static int ov02e10_identify_module(struct ov02e10 *ov02e10) return 0; } -static int ov02e10_check_hwcfg(struct device *dev, struct ov02e10 *ov02e10) +static int ov02e10_check_hwcfg(struct ov02e10 *ov02e10) { struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = V4L2_MBUS_CSI2_DPHY }; + struct device *dev = ov02e10->dev; struct fwnode_handle *ep; struct fwnode_handle *fwnode = dev_fwnode(dev); unsigned long link_freq_bitmap; @@ -823,16 +821,17 @@ out_err: static void ov02e10_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov02e10 *ov02e10 = to_ov02e10(sd); v4l2_async_unregister_subdev(sd); v4l2_subdev_cleanup(sd); media_entity_cleanup(&sd->entity); v4l2_ctrl_handler_free(sd->ctrl_handler); - pm_runtime_disable(&client->dev); + pm_runtime_disable(ov02e10->dev); - if (!pm_runtime_status_suspended(&client->dev)) { - ov02e10_power_off(&client->dev); - pm_runtime_set_suspended(&client->dev); + if (!pm_runtime_status_suspended(ov02e10->dev)) { + ov02e10_power_off(ov02e10->dev); + pm_runtime_set_suspended(ov02e10->dev); } } @@ -845,10 +844,12 @@ static int ov02e10_probe(struct i2c_client *client) if (!ov02e10) return -ENOMEM; + ov02e10->dev = &client->dev; + v4l2_i2c_subdev_init(&ov02e10->sd, client, &ov02e10_subdev_ops); /* Check HW config */ - ret = ov02e10_check_hwcfg(&client->dev, ov02e10); + ret = ov02e10_check_hwcfg(ov02e10); if (ret) return ret; @@ -857,27 +858,27 @@ static int ov02e10_probe(struct i2c_client *client) if (IS_ERR(ov02e10->regmap)) return PTR_ERR(ov02e10->regmap); - ret = ov02e10_get_pm_resources(&client->dev); + ret = ov02e10_get_pm_resources(ov02e10->dev); if (ret) return ret; - ret = ov02e10_power_on(&client->dev); + ret = ov02e10_power_on(ov02e10->dev); if (ret) { - dev_err_probe(&client->dev, ret, "failed to power on\n"); + dev_err_probe(ov02e10->dev, ret, "failed to power on\n"); return ret; } /* Check module identity */ ret = ov02e10_identify_module(ov02e10); if (ret) { - dev_err(&client->dev, "failed to find sensor: %d\n", ret); + dev_err(ov02e10->dev, "failed to find sensor: %d\n", ret); goto probe_error_power_off; } ov02e10->cur_mode = &supported_modes[0]; ret = ov02e10_init_controls(ov02e10); if (ret) { - dev_err(&client->dev, "failed to init controls: %d\n", ret); + dev_err(ov02e10->dev, "failed to init controls: %d\n", ret); goto probe_error_v4l2_ctrl_handler_free; } @@ -891,33 +892,33 @@ static int ov02e10_probe(struct i2c_client *client) ov02e10->pad.flags = MEDIA_PAD_FL_SOURCE; ret = media_entity_pads_init(&ov02e10->sd.entity, 1, &ov02e10->pad); if (ret) { - dev_err(&client->dev, "failed to init entity pads: %d", ret); + dev_err(ov02e10->dev, "failed to init entity pads: %d", ret); goto probe_error_v4l2_ctrl_handler_free; } ov02e10->sd.state_lock = ov02e10->ctrl_handler.lock; ret = v4l2_subdev_init_finalize(&ov02e10->sd); if (ret < 0) { - dev_err(&client->dev, "failed to init subdev: %d", ret); + dev_err(ov02e10->dev, "failed to init subdev: %d", ret); goto probe_error_media_entity_cleanup; } - pm_runtime_set_active(&client->dev); - pm_runtime_enable(&client->dev); + pm_runtime_set_active(ov02e10->dev); + pm_runtime_enable(ov02e10->dev); ret = v4l2_async_register_subdev_sensor(&ov02e10->sd); if (ret < 0) { - dev_err(&client->dev, "failed to register V4L2 subdev: %d", + dev_err(ov02e10->dev, "failed to register V4L2 subdev: %d", ret); goto probe_error_v4l2_subdev_cleanup; } - pm_runtime_idle(&client->dev); + pm_runtime_idle(ov02e10->dev); return 0; probe_error_v4l2_subdev_cleanup: - pm_runtime_disable(&client->dev); - pm_runtime_set_suspended(&client->dev); + pm_runtime_disable(ov02e10->dev); + pm_runtime_set_suspended(ov02e10->dev); v4l2_subdev_cleanup(&ov02e10->sd); probe_error_media_entity_cleanup: @@ -927,7 +928,7 @@ probe_error_v4l2_ctrl_handler_free: v4l2_ctrl_handler_free(ov02e10->sd.ctrl_handler); probe_error_power_off: - ov02e10_power_off(&client->dev); + ov02e10_power_off(ov02e10->dev); return ret; }