From b015ba29ca09b0e3750b4de365d3baf9c5b11450 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 2 May 2013 08:29:43 -0300 Subject: [PATCH] [media] media: i2c: Convert to devm_gpio_request_one() Using the managed function the gpio_free() calls can be removed from the probe error path and the remove handler. Signed-off-by: Laurent Pinchart Acked-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/adv7183.c | 24 ++++++++--------------- drivers/media/i2c/m5mols/m5mols_core.c | 9 +++------ drivers/media/i2c/noon010pc30.c | 27 ++++++++------------------ drivers/media/i2c/smiapp/smiapp-core.c | 18 +++++------------ drivers/media/i2c/vs6624.c | 10 +++------- 5 files changed, 27 insertions(+), 61 deletions(-) diff --git a/drivers/media/i2c/adv7183.c b/drivers/media/i2c/adv7183.c index 56904174abc3..42b2dec4ca3a 100644 --- a/drivers/media/i2c/adv7183.c +++ b/drivers/media/i2c/adv7183.c @@ -580,17 +580,17 @@ static int adv7183_probe(struct i2c_client *client, decoder->reset_pin = pin_array[0]; decoder->oe_pin = pin_array[1]; - if (gpio_request_one(decoder->reset_pin, GPIOF_OUT_INIT_LOW, - "ADV7183 Reset")) { + if (devm_gpio_request_one(&client->dev, decoder->reset_pin, + GPIOF_OUT_INIT_LOW, "ADV7183 Reset")) { v4l_err(client, "failed to request GPIO %d\n", decoder->reset_pin); return -EBUSY; } - if (gpio_request_one(decoder->oe_pin, GPIOF_OUT_INIT_HIGH, - "ADV7183 Output Enable")) { + if (devm_gpio_request_one(&client->dev, decoder->oe_pin, + GPIOF_OUT_INIT_HIGH, + "ADV7183 Output Enable")) { v4l_err(client, "failed to request GPIO %d\n", decoder->oe_pin); - ret = -EBUSY; - goto err_free_reset; + return -EBUSY; } sd = &decoder->sd; @@ -612,7 +612,7 @@ static int adv7183_probe(struct i2c_client *client, ret = hdl->error; v4l2_ctrl_handler_free(hdl); - goto err_free_oe; + return ret; } /* v4l2 doesn't support an autodetect standard, pick PAL as default */ @@ -637,26 +637,18 @@ static int adv7183_probe(struct i2c_client *client, ret = v4l2_ctrl_handler_setup(hdl); if (ret) { v4l2_ctrl_handler_free(hdl); - goto err_free_oe; + return ret; } return 0; -err_free_oe: - gpio_free(decoder->oe_pin); -err_free_reset: - gpio_free(decoder->reset_pin); - return ret; } static int adv7183_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct adv7183 *decoder = to_adv7183(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - gpio_free(decoder->oe_pin); - gpio_free(decoder->reset_pin); return 0; } diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c index 08ff082242c3..f870d5057e3d 100644 --- a/drivers/media/i2c/m5mols/m5mols_core.c +++ b/drivers/media/i2c/m5mols/m5mols_core.c @@ -959,7 +959,8 @@ static int m5mols_probe(struct i2c_client *client, gpio_flags = pdata->reset_polarity ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW; - ret = gpio_request_one(pdata->gpio_reset, gpio_flags, "M5MOLS_NRST"); + ret = devm_gpio_request_one(&client->dev, pdata->gpio_reset, gpio_flags, + "M5MOLS_NRST"); if (ret) { dev_err(&client->dev, "Failed to request gpio: %d\n", ret); return ret; @@ -968,7 +969,7 @@ static int m5mols_probe(struct i2c_client *client, ret = regulator_bulk_get(&client->dev, ARRAY_SIZE(supplies), supplies); if (ret) { dev_err(&client->dev, "Failed to get regulators: %d\n", ret); - goto out_gpio; + return ret; } sd = &info->sd; @@ -1013,22 +1014,18 @@ out_me: media_entity_cleanup(&sd->entity); out_reg: regulator_bulk_free(ARRAY_SIZE(supplies), supplies); -out_gpio: - gpio_free(pdata->gpio_reset); return ret; } static int m5mols_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct m5mols_info *info = to_m5mols(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); free_irq(client->irq, sd); regulator_bulk_free(ARRAY_SIZE(supplies), supplies); - gpio_free(info->pdata->gpio_reset); media_entity_cleanup(&sd->entity); return 0; diff --git a/drivers/media/i2c/noon010pc30.c b/drivers/media/i2c/noon010pc30.c index d205522e598e..6f81b99ddd1c 100644 --- a/drivers/media/i2c/noon010pc30.c +++ b/drivers/media/i2c/noon010pc30.c @@ -746,8 +746,9 @@ static int noon010_probe(struct i2c_client *client, info->curr_win = &noon010_sizes[0]; if (gpio_is_valid(pdata->gpio_nreset)) { - ret = gpio_request_one(pdata->gpio_nreset, GPIOF_OUT_INIT_LOW, - "NOON010PC30 NRST"); + ret = devm_gpio_request_one(&client->dev, pdata->gpio_nreset, + GPIOF_OUT_INIT_LOW, + "NOON010PC30 NRST"); if (ret) { dev_err(&client->dev, "GPIO request error: %d\n", ret); goto np_err; @@ -757,11 +758,12 @@ static int noon010_probe(struct i2c_client *client, } if (gpio_is_valid(pdata->gpio_nstby)) { - ret = gpio_request_one(pdata->gpio_nstby, GPIOF_OUT_INIT_LOW, - "NOON010PC30 NSTBY"); + ret = devm_gpio_request_one(&client->dev, pdata->gpio_nstby, + GPIOF_OUT_INIT_LOW, + "NOON010PC30 NSTBY"); if (ret) { dev_err(&client->dev, "GPIO request error: %d\n", ret); - goto np_gpio_err; + goto np_err; } info->gpio_nstby = pdata->gpio_nstby; gpio_export(info->gpio_nstby, 0); @@ -773,7 +775,7 @@ static int noon010_probe(struct i2c_client *client, ret = regulator_bulk_get(&client->dev, NOON010_NUM_SUPPLIES, info->supply); if (ret) - goto np_reg_err; + goto np_err; info->pad.flags = MEDIA_PAD_FL_SOURCE; sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR; @@ -787,12 +789,6 @@ static int noon010_probe(struct i2c_client *client, np_me_err: regulator_bulk_free(NOON010_NUM_SUPPLIES, info->supply); -np_reg_err: - if (gpio_is_valid(info->gpio_nstby)) - gpio_free(info->gpio_nstby); -np_gpio_err: - if (gpio_is_valid(info->gpio_nreset)) - gpio_free(info->gpio_nreset); np_err: v4l2_ctrl_handler_free(&info->hdl); v4l2_device_unregister_subdev(sd); @@ -808,13 +804,6 @@ static int noon010_remove(struct i2c_client *client) v4l2_ctrl_handler_free(&info->hdl); regulator_bulk_free(NOON010_NUM_SUPPLIES, info->supply); - - if (gpio_is_valid(info->gpio_nreset)) - gpio_free(info->gpio_nreset); - - if (gpio_is_valid(info->gpio_nstby)) - gpio_free(info->gpio_nstby); - media_entity_cleanup(&sd->entity); return 0; diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index cae4f4683851..c38545419045 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -2383,8 +2383,9 @@ static int smiapp_registered(struct v4l2_subdev *subdev) } if (sensor->platform_data->xshutdown != SMIAPP_NO_XSHUTDOWN) { - if (gpio_request_one(sensor->platform_data->xshutdown, 0, - "SMIA++ xshutdown") != 0) { + if (devm_gpio_request_one(&client->dev, + sensor->platform_data->xshutdown, 0, + "SMIA++ xshutdown") != 0) { dev_err(&client->dev, "unable to acquire reset gpio %d\n", sensor->platform_data->xshutdown); @@ -2393,10 +2394,8 @@ static int smiapp_registered(struct v4l2_subdev *subdev) } rval = smiapp_power_on(sensor); - if (rval) { - rval = -ENODEV; - goto out_smiapp_power_on; - } + if (rval) + return -ENODEV; rval = smiapp_identify_module(subdev); if (rval) { @@ -2656,11 +2655,6 @@ out_ident_release: out_power_off: smiapp_power_off(sensor); - -out_smiapp_power_on: - if (sensor->platform_data->xshutdown != SMIAPP_NO_XSHUTDOWN) - gpio_free(sensor->platform_data->xshutdown); - return rval; } @@ -2858,8 +2852,6 @@ static int smiapp_remove(struct i2c_client *client) v4l2_device_unregister_subdev(&sensor->ssds[i].sd); } smiapp_free_controls(sensor); - if (sensor->platform_data->xshutdown != SMIAPP_NO_XSHUTDOWN) - gpio_free(sensor->platform_data->xshutdown); return 0; } diff --git a/drivers/media/i2c/vs6624.c b/drivers/media/i2c/vs6624.c index 94e284908f39..7b55b3ddd80f 100644 --- a/drivers/media/i2c/vs6624.c +++ b/drivers/media/i2c/vs6624.c @@ -805,7 +805,8 @@ static int vs6624_probe(struct i2c_client *client, if (ce == NULL) return -EINVAL; - ret = gpio_request_one(*ce, GPIOF_OUT_INIT_HIGH, "VS6624 Chip Enable"); + ret = devm_gpio_request_one(&client->dev, *ce, GPIOF_OUT_INIT_HIGH, + "VS6624 Chip Enable"); if (ret) { v4l_err(client, "failed to request GPIO %d\n", *ce); return ret; @@ -863,27 +864,22 @@ static int vs6624_probe(struct i2c_client *client, int err = hdl->error; v4l2_ctrl_handler_free(hdl); - gpio_free(*ce); return err; } /* initialize the hardware to the default control values */ ret = v4l2_ctrl_handler_setup(hdl); - if (ret) { + if (ret) v4l2_ctrl_handler_free(hdl); - gpio_free(*ce); - } return ret; } static int vs6624_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct vs6624 *sensor = to_vs6624(sd); v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(sd->ctrl_handler); - gpio_free(sensor->ce_pin); return 0; }