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[media] media: i2c: Convert to devm_gpio_request_one()

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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 <laurent.pinchart@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2013-05-02 08:29:43 -03:00 committed by Mauro Carvalho Chehab
parent c02b211df6
commit b015ba29ca
5 changed files with 27 additions and 61 deletions
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24
drivers/media/i2c/adv7183.c
View File

@ -580,17 +580,17 @@ static int adv7183_probe(struct i2c_client *client,
decoder->reset_pin = pin_array[0]; decoder->reset_pin = pin_array[0];
decoder->oe_pin = pin_array[1]; decoder->oe_pin = pin_array[1];
if (gpio_request_one(decoder->reset_pin, GPIOF_OUT_INIT_LOW, if (devm_gpio_request_one(&client->dev, decoder->reset_pin,
"ADV7183 Reset")) { GPIOF_OUT_INIT_LOW, "ADV7183 Reset")) {
v4l_err(client, "failed to request GPIO %d\n", decoder->reset_pin); v4l_err(client, "failed to request GPIO %d\n", decoder->reset_pin);
return -EBUSY; return -EBUSY;
} }
if (gpio_request_one(decoder->oe_pin, GPIOF_OUT_INIT_HIGH, if (devm_gpio_request_one(&client->dev, decoder->oe_pin,
"ADV7183 Output Enable")) { GPIOF_OUT_INIT_HIGH,
"ADV7183 Output Enable")) {
v4l_err(client, "failed to request GPIO %d\n", decoder->oe_pin); v4l_err(client, "failed to request GPIO %d\n", decoder->oe_pin);
ret = -EBUSY; return -EBUSY;
goto err_free_reset;
} }
sd = &decoder->sd; sd = &decoder->sd;
@ -612,7 +612,7 @@ static int adv7183_probe(struct i2c_client *client,
ret = hdl->error; ret = hdl->error;
v4l2_ctrl_handler_free(hdl); v4l2_ctrl_handler_free(hdl);
goto err_free_oe; return ret;
} }
/* v4l2 doesn't support an autodetect standard, pick PAL as default */ /* 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); ret = v4l2_ctrl_handler_setup(hdl);
if (ret) { if (ret) {
v4l2_ctrl_handler_free(hdl); v4l2_ctrl_handler_free(hdl);
goto err_free_oe; return ret;
} }
return 0; 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) static int adv7183_remove(struct i2c_client *client)
{ {
struct v4l2_subdev *sd = i2c_get_clientdata(client); struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct adv7183 *decoder = to_adv7183(sd);
v4l2_device_unregister_subdev(sd); v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(sd->ctrl_handler); v4l2_ctrl_handler_free(sd->ctrl_handler);
gpio_free(decoder->oe_pin);
gpio_free(decoder->reset_pin);
return 0; return 0;
} }

9
drivers/media/i2c/m5mols/m5mols_core.c
View File

@ -959,7 +959,8 @@ static int m5mols_probe(struct i2c_client *client,
gpio_flags = pdata->reset_polarity gpio_flags = pdata->reset_polarity
? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW; ? 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) { if (ret) {
dev_err(&client->dev, "Failed to request gpio: %d\n", ret); dev_err(&client->dev, "Failed to request gpio: %d\n", ret);
return 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); ret = regulator_bulk_get(&client->dev, ARRAY_SIZE(supplies), supplies);
if (ret) { if (ret) {
dev_err(&client->dev, "Failed to get regulators: %d\n", ret); dev_err(&client->dev, "Failed to get regulators: %d\n", ret);
goto out_gpio; return ret;
} }
sd = &info->sd; sd = &info->sd;
@ -1013,22 +1014,18 @@ static int m5mols_probe(struct i2c_client *client,
media_entity_cleanup(&sd->entity); media_entity_cleanup(&sd->entity);
out_reg: out_reg:
regulator_bulk_free(ARRAY_SIZE(supplies), supplies); regulator_bulk_free(ARRAY_SIZE(supplies), supplies);
out_gpio:
gpio_free(pdata->gpio_reset);
return ret; return ret;
} }
static int m5mols_remove(struct i2c_client *client) static int m5mols_remove(struct i2c_client *client)
{ {
struct v4l2_subdev *sd = i2c_get_clientdata(client); struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct m5mols_info *info = to_m5mols(sd);
v4l2_device_unregister_subdev(sd); v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(sd->ctrl_handler); v4l2_ctrl_handler_free(sd->ctrl_handler);
free_irq(client->irq, sd); free_irq(client->irq, sd);
regulator_bulk_free(ARRAY_SIZE(supplies), supplies); regulator_bulk_free(ARRAY_SIZE(supplies), supplies);
gpio_free(info->pdata->gpio_reset);
media_entity_cleanup(&sd->entity); media_entity_cleanup(&sd->entity);
return 0; return 0;

27
drivers/media/i2c/noon010pc30.c
View File

@ -746,8 +746,9 @@ static int noon010_probe(struct i2c_client *client,
info->curr_win = &noon010_sizes[0]; info->curr_win = &noon010_sizes[0];
if (gpio_is_valid(pdata->gpio_nreset)) { if (gpio_is_valid(pdata->gpio_nreset)) {
ret = gpio_request_one(pdata->gpio_nreset, GPIOF_OUT_INIT_LOW, ret = devm_gpio_request_one(&client->dev, pdata->gpio_nreset,
"NOON010PC30 NRST"); GPIOF_OUT_INIT_LOW,
"NOON010PC30 NRST");
if (ret) { if (ret) {
dev_err(&client->dev, "GPIO request error: %d\n", ret); dev_err(&client->dev, "GPIO request error: %d\n", ret);
goto np_err; goto np_err;
@ -757,11 +758,12 @@ static int noon010_probe(struct i2c_client *client,
} }
if (gpio_is_valid(pdata->gpio_nstby)) { if (gpio_is_valid(pdata->gpio_nstby)) {
ret = gpio_request_one(pdata->gpio_nstby, GPIOF_OUT_INIT_LOW, ret = devm_gpio_request_one(&client->dev, pdata->gpio_nstby,
"NOON010PC30 NSTBY"); GPIOF_OUT_INIT_LOW,
"NOON010PC30 NSTBY");
if (ret) { if (ret) {
dev_err(&client->dev, "GPIO request error: %d\n", ret); dev_err(&client->dev, "GPIO request error: %d\n", ret);
goto np_gpio_err; goto np_err;
} }
info->gpio_nstby = pdata->gpio_nstby; info->gpio_nstby = pdata->gpio_nstby;
gpio_export(info->gpio_nstby, 0); 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, ret = regulator_bulk_get(&client->dev, NOON010_NUM_SUPPLIES,
info->supply); info->supply);
if (ret) if (ret)
goto np_reg_err; goto np_err;
info->pad.flags = MEDIA_PAD_FL_SOURCE; info->pad.flags = MEDIA_PAD_FL_SOURCE;
sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR; sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR;
@ -787,12 +789,6 @@ static int noon010_probe(struct i2c_client *client,
np_me_err: np_me_err:
regulator_bulk_free(NOON010_NUM_SUPPLIES, info->supply); 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: np_err:
v4l2_ctrl_handler_free(&info->hdl); v4l2_ctrl_handler_free(&info->hdl);
v4l2_device_unregister_subdev(sd); v4l2_device_unregister_subdev(sd);
@ -808,13 +804,6 @@ static int noon010_remove(struct i2c_client *client)
v4l2_ctrl_handler_free(&info->hdl); v4l2_ctrl_handler_free(&info->hdl);
regulator_bulk_free(NOON010_NUM_SUPPLIES, info->supply); 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); media_entity_cleanup(&sd->entity);
return 0; return 0;

18
drivers/media/i2c/smiapp/smiapp-core.c
View File

@ -2383,8 +2383,9 @@ static int smiapp_registered(struct v4l2_subdev *subdev)
} }
if (sensor->platform_data->xshutdown != SMIAPP_NO_XSHUTDOWN) { if (sensor->platform_data->xshutdown != SMIAPP_NO_XSHUTDOWN) {
if (gpio_request_one(sensor->platform_data->xshutdown, 0, if (devm_gpio_request_one(&client->dev,
"SMIA++ xshutdown") != 0) { sensor->platform_data->xshutdown, 0,
"SMIA++ xshutdown") != 0) {
dev_err(&client->dev, dev_err(&client->dev,
"unable to acquire reset gpio %d\n", "unable to acquire reset gpio %d\n",
sensor->platform_data->xshutdown); sensor->platform_data->xshutdown);
@ -2393,10 +2394,8 @@ static int smiapp_registered(struct v4l2_subdev *subdev)
} }
rval = smiapp_power_on(sensor); rval = smiapp_power_on(sensor);
if (rval) { if (rval)
rval = -ENODEV; return -ENODEV;
goto out_smiapp_power_on;
}
rval = smiapp_identify_module(subdev); rval = smiapp_identify_module(subdev);
if (rval) { if (rval) {
@ -2656,11 +2655,6 @@ static int smiapp_registered(struct v4l2_subdev *subdev)
out_power_off: out_power_off:
smiapp_power_off(sensor); smiapp_power_off(sensor);
out_smiapp_power_on:
if (sensor->platform_data->xshutdown != SMIAPP_NO_XSHUTDOWN)
gpio_free(sensor->platform_data->xshutdown);
return rval; return rval;
} }
@ -2858,8 +2852,6 @@ static int smiapp_remove(struct i2c_client *client)
v4l2_device_unregister_subdev(&sensor->ssds[i].sd); v4l2_device_unregister_subdev(&sensor->ssds[i].sd);
} }
smiapp_free_controls(sensor); smiapp_free_controls(sensor);
if (sensor->platform_data->xshutdown != SMIAPP_NO_XSHUTDOWN)
gpio_free(sensor->platform_data->xshutdown);
return 0; return 0;
} }

10
drivers/media/i2c/vs6624.c
View File

@ -805,7 +805,8 @@ static int vs6624_probe(struct i2c_client *client,
if (ce == NULL) if (ce == NULL)
return -EINVAL; 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) { if (ret) {
v4l_err(client, "failed to request GPIO %d\n", *ce); v4l_err(client, "failed to request GPIO %d\n", *ce);
return ret; return ret;
@ -863,27 +864,22 @@ static int vs6624_probe(struct i2c_client *client,
int err = hdl->error; int err = hdl->error;
v4l2_ctrl_handler_free(hdl); v4l2_ctrl_handler_free(hdl);
gpio_free(*ce);
return err; return err;
} }
/* initialize the hardware to the default control values */ /* initialize the hardware to the default control values */
ret = v4l2_ctrl_handler_setup(hdl); ret = v4l2_ctrl_handler_setup(hdl);
if (ret) { if (ret)
v4l2_ctrl_handler_free(hdl); v4l2_ctrl_handler_free(hdl);
gpio_free(*ce);
}
return ret; return ret;
} }
static int vs6624_remove(struct i2c_client *client) static int vs6624_remove(struct i2c_client *client)
{ {
struct v4l2_subdev *sd = i2c_get_clientdata(client); struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct vs6624 *sensor = to_vs6624(sd);
v4l2_device_unregister_subdev(sd); v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(sd->ctrl_handler); v4l2_ctrl_handler_free(sd->ctrl_handler);
gpio_free(sensor->ce_pin);
return 0; return 0;
} }