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Message-Id: <1405197014-25225-2-git-send-email-berthe.ab@gmail.com>
Date: Sat, 12 Jul 2014 22:30:12 +0200
From: abdoulaye berthe <berthe.ab@...il.com>
To: linus.walleij@...aro.org, gnurou@...il.com, m@...s.ch,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: abdoulaye berthe <berthe.ab@...il.com>
Subject: [PATCH 1/1] gpio: remove all usage of gpio_remove retval in driver/gpio
Signed-off-by: abdoulaye berthe <berthe.ab@...il.com>
---
drivers/gpio/gpio-74x164.c | 8 +++-----
drivers/gpio/gpio-adnp.c | 9 +--------
drivers/gpio/gpio-adp5520.c | 8 +-------
drivers/gpio/gpio-adp5588.c | 6 +-----
drivers/gpio/gpio-amd8111.c | 3 +--
drivers/gpio/gpio-arizona.c | 3 ++-
drivers/gpio/gpio-cs5535.c | 8 +-------
drivers/gpio/gpio-da9052.c | 3 ++-
drivers/gpio/gpio-da9055.c | 3 ++-
drivers/gpio/gpio-dwapb.c | 2 +-
drivers/gpio/gpio-em.c | 5 +----
drivers/gpio/gpio-f7188x.c | 18 ++----------------
drivers/gpio/gpio-generic.c | 3 ++-
drivers/gpio/gpio-grgpio.c | 4 +---
drivers/gpio/gpio-ich.c | 9 +--------
drivers/gpio/gpio-it8761e.c | 6 +-----
drivers/gpio/gpio-janz-ttl.c | 8 +-------
drivers/gpio/gpio-kempld.c | 3 ++-
drivers/gpio/gpio-lp3943.c | 3 ++-
drivers/gpio/gpio-lynxpoint.c | 5 +----
drivers/gpio/gpio-max730x.c | 13 ++++---------
drivers/gpio/gpio-max732x.c | 7 +------
drivers/gpio/gpio-mc33880.c | 11 +++--------
drivers/gpio/gpio-mc9s08dz60.c | 3 ++-
drivers/gpio/gpio-mcp23s08.c | 26 +++++++-------------------
drivers/gpio/gpio-ml-ioh.c | 8 ++------
drivers/gpio/gpio-msm-v2.c | 5 +----
drivers/gpio/gpio-mxc.c | 2 +-
drivers/gpio/gpio-octeon.c | 3 ++-
drivers/gpio/gpio-palmas.c | 3 ++-
drivers/gpio/gpio-pca953x.c | 7 +------
drivers/gpio/gpio-pcf857x.c | 4 +---
drivers/gpio/gpio-pch.c | 10 ++--------
drivers/gpio/gpio-rc5t583.c | 3 ++-
drivers/gpio/gpio-rcar.c | 5 +----
drivers/gpio/gpio-rdc321x.c | 7 ++-----
drivers/gpio/gpio-sch.c | 16 +++-------------
drivers/gpio/gpio-sch311x.c | 6 ++----
drivers/gpio/gpio-sodaville.c | 4 +---
drivers/gpio/gpio-stmpe.c | 8 +-------
drivers/gpio/gpio-sx150x.c | 7 ++-----
drivers/gpio/gpio-syscon.c | 3 ++-
drivers/gpio/gpio-tb10x.c | 5 +----
drivers/gpio/gpio-tc3589x.c | 8 +-------
drivers/gpio/gpio-timberdale.c | 5 +----
drivers/gpio/gpio-tps6586x.c | 3 ++-
drivers/gpio/gpio-tps65910.c | 3 ++-
drivers/gpio/gpio-tps65912.c | 3 ++-
drivers/gpio/gpio-ts5500.c | 6 +++---
drivers/gpio/gpio-twl4030.c | 4 +---
drivers/gpio/gpio-twl6040.c | 3 ++-
drivers/gpio/gpio-ucb1400.c | 2 +-
drivers/gpio/gpio-viperboard.c | 10 +++-------
drivers/gpio/gpio-vx855.c | 3 +--
drivers/gpio/gpio-wm831x.c | 3 ++-
drivers/gpio/gpio-wm8350.c | 3 ++-
drivers/gpio/gpio-wm8994.c | 3 ++-
57 files changed, 100 insertions(+), 242 deletions(-)
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index e4ae298..e3d968f 100644
--- a/drivers/gpio/gpio-74x164.c
+++ b/drivers/gpio/gpio-74x164.c
@@ -167,13 +167,11 @@ exit_destroy:
static int gen_74x164_remove(struct spi_device *spi)
{
struct gen_74x164_chip *chip = spi_get_drvdata(spi);
- int ret;
- ret = gpiochip_remove(&chip->gpio_chip);
- if (!ret)
- mutex_destroy(&chip->lock);
+ gpiochip_remove(&chip->gpio_chip);
+ mutex_destroy(&chip->lock);
- return ret;
+ return 0;
}
static const struct of_device_id gen_74x164_dt_ids[] = {
diff --git a/drivers/gpio/gpio-adnp.c b/drivers/gpio/gpio-adnp.c
index b2239d6..416b220 100644
--- a/drivers/gpio/gpio-adnp.c
+++ b/drivers/gpio/gpio-adnp.c
@@ -585,15 +585,8 @@ static int adnp_i2c_remove(struct i2c_client *client)
{
struct adnp *adnp = i2c_get_clientdata(client);
struct device_node *np = client->dev.of_node;
- int err;
-
- err = gpiochip_remove(&adnp->gpio);
- if (err < 0) {
- dev_err(&client->dev, "%s failed: %d\n", "gpiochip_remove()",
- err);
- return err;
- }
+ gpiochip_remove(&adnp->gpio);
if (of_find_property(np, "interrupt-controller", NULL))
adnp_irq_teardown(adnp);
diff --git a/drivers/gpio/gpio-adp5520.c b/drivers/gpio/gpio-adp5520.c
index f1ade8f..b08bd16 100644
--- a/drivers/gpio/gpio-adp5520.c
+++ b/drivers/gpio/gpio-adp5520.c
@@ -167,15 +167,9 @@ err:
static int adp5520_gpio_remove(struct platform_device *pdev)
{
struct adp5520_gpio *dev;
- int ret;
dev = platform_get_drvdata(pdev);
- ret = gpiochip_remove(&dev->gpio_chip);
- if (ret) {
- dev_err(&pdev->dev, "%s failed, %d\n",
- "gpiochip_remove()", ret);
- return ret;
- }
+ gpiochip_remove(&dev->gpio_chip);
return 0;
}
diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c
index ef19bc3..3beed6e 100644
--- a/drivers/gpio/gpio-adp5588.c
+++ b/drivers/gpio/gpio-adp5588.c
@@ -470,11 +470,7 @@ static int adp5588_gpio_remove(struct i2c_client *client)
if (dev->irq_base)
free_irq(dev->client->irq, dev);
- ret = gpiochip_remove(&dev->gpio_chip);
- if (ret) {
- dev_err(&client->dev, "gpiochip_remove failed %d\n", ret);
- return ret;
- }
+ gpiochip_remove(&dev->gpio_chip);
kfree(dev);
return 0;
diff --git a/drivers/gpio/gpio-amd8111.c b/drivers/gpio/gpio-amd8111.c
index 94e9992..3c09f1a6 100644
--- a/drivers/gpio/gpio-amd8111.c
+++ b/drivers/gpio/gpio-amd8111.c
@@ -232,8 +232,7 @@ out:
static void __exit amd_gpio_exit(void)
{
- int err = gpiochip_remove(&gp.chip);
- WARN_ON(err);
+ gpiochip_remove(&gp.chip);
ioport_unmap(gp.pm);
release_region(gp.pmbase + PMBASE_OFFSET, PMBASE_SIZE);
}
diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c
index 29bdff5..fe369f5 100644
--- a/drivers/gpio/gpio-arizona.c
+++ b/drivers/gpio/gpio-arizona.c
@@ -149,7 +149,8 @@ static int arizona_gpio_remove(struct platform_device *pdev)
{
struct arizona_gpio *arizona_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&arizona_gpio->gpio_chip);
+ gpiochip_remove(&arizona_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver arizona_gpio_driver = {
diff --git a/drivers/gpio/gpio-cs5535.c b/drivers/gpio/gpio-cs5535.c
index c0a3aeb..92ec58f 100644
--- a/drivers/gpio/gpio-cs5535.c
+++ b/drivers/gpio/gpio-cs5535.c
@@ -358,14 +358,8 @@ done:
static int cs5535_gpio_remove(struct platform_device *pdev)
{
struct resource *r;
- int err;
- err = gpiochip_remove(&cs5535_gpio_chip.chip);
- if (err) {
- /* uhh? */
- dev_err(&pdev->dev, "unable to remove gpio_chip?\n");
- return err;
- }
+ gpiochip_remove(&cs5535_gpio_chip.chip);
r = platform_get_resource(pdev, IORESOURCE_IO, 0);
release_region(r->start, resource_size(r));
diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c
index 416cdf7..c5bccd4 100644
--- a/drivers/gpio/gpio-da9052.c
+++ b/drivers/gpio/gpio-da9052.c
@@ -237,7 +237,8 @@ static int da9052_gpio_remove(struct platform_device *pdev)
{
struct da9052_gpio *gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&gpio->gp);
+ gpiochip_remove(&gpio->gp);
+ return 0;
}
static struct platform_driver da9052_gpio_driver = {
diff --git a/drivers/gpio/gpio-da9055.c b/drivers/gpio/gpio-da9055.c
index f992997..9167c43 100644
--- a/drivers/gpio/gpio-da9055.c
+++ b/drivers/gpio/gpio-da9055.c
@@ -174,7 +174,8 @@ static int da9055_gpio_remove(struct platform_device *pdev)
{
struct da9055_gpio *gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&gpio->gp);
+ gpiochip_remove(&gpio->gp);
+ return 0;
}
static struct platform_driver da9055_gpio_driver = {
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index cd3b814..d6618a6 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -359,7 +359,7 @@ static void dwapb_gpio_unregister(struct dwapb_gpio *gpio)
for (m = 0; m < gpio->nr_ports; ++m)
if (gpio->ports[m].is_registered)
- WARN_ON(gpiochip_remove(&gpio->ports[m].bgc.gc));
+ gpiochip_remove(&gpio->ports[m].bgc.gc);
}
static int dwapb_gpio_probe(struct platform_device *pdev)
diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c
index cde3605..fe49ec3 100644
--- a/drivers/gpio/gpio-em.c
+++ b/drivers/gpio/gpio-em.c
@@ -409,11 +409,8 @@ err0:
static int em_gio_remove(struct platform_device *pdev)
{
struct em_gio_priv *p = platform_get_drvdata(pdev);
- int ret;
- ret = gpiochip_remove(&p->gpio_chip);
- if (ret)
- return ret;
+ gpiochip_remove(&p->gpio_chip);
irq_domain_remove(p->irq_domain);
return 0;
diff --git a/drivers/gpio/gpio-f7188x.c b/drivers/gpio/gpio-f7188x.c
index 8f73ee0..fd3202f 100644
--- a/drivers/gpio/gpio-f7188x.c
+++ b/drivers/gpio/gpio-f7188x.c
@@ -317,13 +317,7 @@ static int f7188x_gpio_probe(struct platform_device *pdev)
err_gpiochip:
for (i = i - 1; i >= 0; i--) {
struct f7188x_gpio_bank *bank = &data->bank[i];
- int tmp;
-
- tmp = gpiochip_remove(&bank->chip);
- if (tmp < 0)
- dev_err(&pdev->dev,
- "Failed to remove gpiochip %d: %d\n",
- i, tmp);
+ gpiochip_remove(&bank->chip);
}
return err;
@@ -331,20 +325,12 @@ err_gpiochip:
static int f7188x_gpio_remove(struct platform_device *pdev)
{
- int err;
int i;
struct f7188x_gpio_data *data = platform_get_drvdata(pdev);
for (i = 0; i < data->nr_bank; i++) {
struct f7188x_gpio_bank *bank = &data->bank[i];
-
- err = gpiochip_remove(&bank->chip);
- if (err) {
- dev_err(&pdev->dev,
- "Failed to remove GPIO gpiochip %d: %d\n",
- i, err);
- return err;
- }
+ gpiochip_remove(&bank->chip);
}
return 0;
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index fea8c82..16f6115 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -398,7 +398,8 @@ static int bgpio_request(struct gpio_chip *chip, unsigned gpio_pin)
int bgpio_remove(struct bgpio_chip *bgc)
{
- return gpiochip_remove(&bgc->gc);
+ gpiochip_remove(&bgc->gc);
+ return 0;
}
EXPORT_SYMBOL_GPL(bgpio_remove);
diff --git a/drivers/gpio/gpio-grgpio.c b/drivers/gpio/gpio-grgpio.c
index 3c3f515..66ad3df 100644
--- a/drivers/gpio/gpio-grgpio.c
+++ b/drivers/gpio/gpio-grgpio.c
@@ -468,9 +468,7 @@ static int grgpio_remove(struct platform_device *ofdev)
}
}
- ret = gpiochip_remove(&priv->bgc.gc);
- if (ret)
- goto out;
+ gpiochip_remove(&priv->bgc.gc);
if (priv->domain)
irq_domain_remove(priv->domain);
diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c
index 7030422..3784e81 100644
--- a/drivers/gpio/gpio-ich.c
+++ b/drivers/gpio/gpio-ich.c
@@ -514,14 +514,7 @@ add_err:
static int ichx_gpio_remove(struct platform_device *pdev)
{
- int err;
-
- err = gpiochip_remove(&ichx_priv.chip);
- if (err) {
- dev_err(&pdev->dev, "%s failed, %d\n",
- "gpiochip_remove()", err);
- return err;
- }
+ gpiochip_remove(&ichx_priv.chip);
ichx_gpio_release_regions(ichx_priv.gpio_base, ichx_priv.use_gpio);
if (ichx_priv.pm_base)
diff --git a/drivers/gpio/gpio-it8761e.c b/drivers/gpio/gpio-it8761e.c
index 278b813..dadfc24 100644
--- a/drivers/gpio/gpio-it8761e.c
+++ b/drivers/gpio/gpio-it8761e.c
@@ -217,11 +217,7 @@ gpiochip_add_err:
static void __exit it8761e_gpio_exit(void)
{
if (gpio_ba) {
- int ret = gpiochip_remove(&it8761e_gpio_chip);
-
- WARN(ret, "%s(): gpiochip_remove() failed, ret=%d\n",
- __func__, ret);
-
+ gpiochip_remove(&it8761e_gpio_chip);
release_region(gpio_ba, GPIO_IOSIZE);
gpio_ba = 0;
}
diff --git a/drivers/gpio/gpio-janz-ttl.c b/drivers/gpio/gpio-janz-ttl.c
index 42852ea..29ffe22 100644
--- a/drivers/gpio/gpio-janz-ttl.c
+++ b/drivers/gpio/gpio-janz-ttl.c
@@ -194,14 +194,8 @@ static int ttl_probe(struct platform_device *pdev)
static int ttl_remove(struct platform_device *pdev)
{
struct ttl_module *mod = platform_get_drvdata(pdev);
- struct device *dev = &pdev->dev;
- int ret;
- ret = gpiochip_remove(&mod->gpio);
- if (ret) {
- dev_err(dev, "unable to remove GPIO chip\n");
- return ret;
- }
+ gpiochip_remove(&mod->gpio);
return 0;
}
diff --git a/drivers/gpio/gpio-kempld.c b/drivers/gpio/gpio-kempld.c
index 1e5e519..fd150ad 100644
--- a/drivers/gpio/gpio-kempld.c
+++ b/drivers/gpio/gpio-kempld.c
@@ -199,7 +199,8 @@ static int kempld_gpio_remove(struct platform_device *pdev)
{
struct kempld_gpio_data *gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&gpio->chip);
+ gpiochip_remove(&gpio->chip);
+ return 0;
}
static struct platform_driver kempld_gpio_driver = {
diff --git a/drivers/gpio/gpio-lp3943.c b/drivers/gpio/gpio-lp3943.c
index a0341c9..6bbdad8 100644
--- a/drivers/gpio/gpio-lp3943.c
+++ b/drivers/gpio/gpio-lp3943.c
@@ -216,7 +216,8 @@ static int lp3943_gpio_remove(struct platform_device *pdev)
{
struct lp3943_gpio *lp3943_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&lp3943_gpio->chip);
+ gpiochip_remove(&lp3943_gpio->chip);
+ return 0;
}
static const struct of_device_id lp3943_gpio_of_match[] = {
diff --git a/drivers/gpio/gpio-lynxpoint.c b/drivers/gpio/gpio-lynxpoint.c
index 2bea89b..7c141dd 100644
--- a/drivers/gpio/gpio-lynxpoint.c
+++ b/drivers/gpio/gpio-lynxpoint.c
@@ -465,11 +465,8 @@ MODULE_DEVICE_TABLE(acpi, lynxpoint_gpio_acpi_match);
static int lp_gpio_remove(struct platform_device *pdev)
{
struct lp_gpio *lg = platform_get_drvdata(pdev);
- int err;
pm_runtime_disable(&pdev->dev);
- err = gpiochip_remove(&lg->chip);
- if (err)
- dev_warn(&pdev->dev, "failed to remove gpio_chip.\n");
+ gpiochip_remove(&lg->chip);
return 0;
}
diff --git a/drivers/gpio/gpio-max730x.c b/drivers/gpio/gpio-max730x.c
index 0814584..18ab89e 100644
--- a/drivers/gpio/gpio-max730x.c
+++ b/drivers/gpio/gpio-max730x.c
@@ -228,21 +228,16 @@ EXPORT_SYMBOL_GPL(__max730x_probe);
int __max730x_remove(struct device *dev)
{
struct max7301 *ts = dev_get_drvdata(dev);
- int ret;
if (ts == NULL)
return -ENODEV;
/* Power down the chip and disable IRQ output */
ts->write(dev, 0x04, 0x00);
-
- ret = gpiochip_remove(&ts->chip);
- if (!ret)
- mutex_destroy(&ts->lock);
- else
- dev_err(dev, "Failed to remove GPIO controller: %d\n", ret);
-
- return ret;
+ gpiochip_remove(&ts->chip);
+ mutex_destroy(&ts->lock);
+ kfree(ts);
+ return 0;
}
EXPORT_SYMBOL_GPL(__max730x_remove);
diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c
index 7c36f2b..6c67622 100644
--- a/drivers/gpio/gpio-max732x.c
+++ b/drivers/gpio/gpio-max732x.c
@@ -676,12 +676,7 @@ static int max732x_remove(struct i2c_client *client)
}
}
- ret = gpiochip_remove(&chip->gpio_chip);
- if (ret) {
- dev_err(&client->dev, "%s failed, %d\n",
- "gpiochip_remove()", ret);
- return ret;
- }
+ gpiochip_remove(&chip->gpio_chip);
max732x_irq_teardown(chip);
diff --git a/drivers/gpio/gpio-mc33880.c b/drivers/gpio/gpio-mc33880.c
index 553a80a..4e3e160 100644
--- a/drivers/gpio/gpio-mc33880.c
+++ b/drivers/gpio/gpio-mc33880.c
@@ -149,20 +149,15 @@ exit_destroy:
static int mc33880_remove(struct spi_device *spi)
{
struct mc33880 *mc;
- int ret;
mc = spi_get_drvdata(spi);
if (mc == NULL)
return -ENODEV;
- ret = gpiochip_remove(&mc->chip);
- if (!ret)
- mutex_destroy(&mc->lock);
- else
- dev_err(&spi->dev, "Failed to remove the GPIO controller: %d\n",
- ret);
+ gpiochip_remove(&mc->chip);
+ mutex_destroy(&mc->lock);
- return ret;
+ return 0;
}
static struct spi_driver mc33880_driver = {
diff --git a/drivers/gpio/gpio-mc9s08dz60.c b/drivers/gpio/gpio-mc9s08dz60.c
index dce35ff..d62b4f8 100644
--- a/drivers/gpio/gpio-mc9s08dz60.c
+++ b/drivers/gpio/gpio-mc9s08dz60.c
@@ -118,7 +118,8 @@ static int mc9s08dz60_remove(struct i2c_client *client)
mc9s = i2c_get_clientdata(client);
- return gpiochip_remove(&mc9s->chip);
+ gpiochip_remove(&mc9s->chip);
+ return 0;
}
static const struct i2c_device_id mc9s08dz60_id[] = {
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index fe7c0e2..4fe0786 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -812,16 +812,14 @@ fail:
static int mcp230xx_remove(struct i2c_client *client)
{
struct mcp23s08 *mcp = i2c_get_clientdata(client);
- int status;
if (client->irq && mcp->irq_controller)
mcp23s08_irq_teardown(mcp);
- status = gpiochip_remove(&mcp->chip);
- if (status == 0)
- kfree(mcp);
+ gpiochip_remove(&mcp->chip);
+ kfree(mcp);
- return status;
+ return 0;
}
static const struct i2c_device_id mcp230xx_id[] = {
@@ -966,13 +964,10 @@ static int mcp23s08_probe(struct spi_device *spi)
fail:
for (addr = 0; addr < ARRAY_SIZE(data->mcp); addr++) {
- int tmp;
if (!data->mcp[addr])
continue;
- tmp = gpiochip_remove(&data->mcp[addr]->chip);
- if (tmp < 0)
- dev_err(&spi->dev, "%s --> %d\n", "remove", tmp);
+ gpiochip_remove(&data->mcp[addr]->chip);
}
kfree(data);
return status;
@@ -982,23 +977,16 @@ static int mcp23s08_remove(struct spi_device *spi)
{
struct mcp23s08_driver_data *data = spi_get_drvdata(spi);
unsigned addr;
- int status = 0;
for (addr = 0; addr < ARRAY_SIZE(data->mcp); addr++) {
- int tmp;
if (!data->mcp[addr])
continue;
- tmp = gpiochip_remove(&data->mcp[addr]->chip);
- if (tmp < 0) {
- dev_err(&spi->dev, "%s --> %d\n", "remove", tmp);
- status = tmp;
- }
+ gpiochip_remove(&data->mcp[addr]->chip);
}
- if (status == 0)
- kfree(data);
- return status;
+ kfree(data);
+ return 0;
}
static const struct spi_device_id mcp23s08_ids[] = {
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index d51329d..5536108 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -497,8 +497,7 @@ err_irq_alloc_descs:
err_gpiochip_add:
while (--i >= 0) {
chip--;
- if (gpiochip_remove(&chip->gpio))
- dev_err(&pdev->dev, "Failed gpiochip_remove(%d)\n", i);
+ gpiochip_remove(&chip->gpio);
}
kfree(chip_save);
@@ -519,7 +518,6 @@ err_pci_enable:
static void ioh_gpio_remove(struct pci_dev *pdev)
{
- int err;
int i;
struct ioh_gpio *chip = pci_get_drvdata(pdev);
void *chip_save;
@@ -530,9 +528,7 @@ static void ioh_gpio_remove(struct pci_dev *pdev)
for (i = 0; i < 8; i++, chip++) {
irq_free_descs(chip->irq_base, num_ports[i]);
- err = gpiochip_remove(&chip->gpio);
- if (err)
- dev_err(&pdev->dev, "Failed gpiochip_remove\n");
+ gpiochip_remove(&chip->gpio);
}
chip = chip_save;
diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c
index a3351ac..94f5767 100644
--- a/drivers/gpio/gpio-msm-v2.c
+++ b/drivers/gpio/gpio-msm-v2.c
@@ -438,10 +438,7 @@ MODULE_DEVICE_TABLE(of, msm_gpio_of_match);
static int msm_gpio_remove(struct platform_device *dev)
{
- int ret = gpiochip_remove(&msm_gpio.gpio_chip);
-
- if (ret < 0)
- return ret;
+ gpiochip_remove(&msm_gpio.gpio_chip);
irq_set_handler(msm_gpio.summary_irq, NULL);
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index db83b3c..f4e54a9 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -485,7 +485,7 @@ static int mxc_gpio_probe(struct platform_device *pdev)
out_irqdesc_free:
irq_free_descs(irq_base, 32);
out_gpiochip_remove:
- WARN_ON(gpiochip_remove(&port->bgc.gc) < 0);
+ gpiochip_remove(&port->bgc.gc);
out_bgpio_remove:
bgpio_remove(&port->bgc);
out_bgio:
diff --git a/drivers/gpio/gpio-octeon.c b/drivers/gpio/gpio-octeon.c
index dbb0854..5c5770c 100644
--- a/drivers/gpio/gpio-octeon.c
+++ b/drivers/gpio/gpio-octeon.c
@@ -129,7 +129,8 @@ out:
static int octeon_gpio_remove(struct platform_device *pdev)
{
struct gpio_chip *chip = pdev->dev.platform_data;
- return gpiochip_remove(chip);
+ gpiochip_remove(chip);
+ return 0;
}
static struct of_device_id octeon_gpio_match[] = {
diff --git a/drivers/gpio/gpio-palmas.c b/drivers/gpio/gpio-palmas.c
index 86bdbe3..171a638 100644
--- a/drivers/gpio/gpio-palmas.c
+++ b/drivers/gpio/gpio-palmas.c
@@ -210,7 +210,8 @@ static int palmas_gpio_remove(struct platform_device *pdev)
{
struct palmas_gpio *palmas_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&palmas_gpio->gpio_chip);
+ gpiochip_remove(&palmas_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver palmas_gpio_driver = {
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index e721a37..f9961ee 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -765,12 +765,7 @@ static int pca953x_remove(struct i2c_client *client)
}
}
- ret = gpiochip_remove(&chip->gpio_chip);
- if (ret) {
- dev_err(&client->dev, "%s failed, %d\n",
- "gpiochip_remove()", ret);
- return ret;
- }
+ gpiochip_remove(&chip->gpio_chip);
return 0;
}
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c
index 27b4675..236708a 100644
--- a/drivers/gpio/gpio-pcf857x.c
+++ b/drivers/gpio/gpio-pcf857x.c
@@ -444,9 +444,7 @@ static int pcf857x_remove(struct i2c_client *client)
if (client->irq)
pcf857x_irq_domain_cleanup(gpio);
- status = gpiochip_remove(&gpio->chip);
- if (status)
- dev_err(&client->dev, "%s --> %d\n", "remove", status);
+ gpiochip_remove(&gpio->chip);
return status;
}
diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index d6eac9b..e0ac549 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -426,9 +426,7 @@ end:
err_request_irq:
irq_free_descs(irq_base, gpio_pins[chip->ioh]);
-
- if (gpiochip_remove(&chip->gpio))
- dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
+ gpiochip_remove(&chip->gpio);
err_gpiochip_add:
pci_iounmap(pdev, chip->base);
@@ -447,7 +445,6 @@ err_pci_enable:
static void pch_gpio_remove(struct pci_dev *pdev)
{
- int err;
struct pch_gpio *chip = pci_get_drvdata(pdev);
if (chip->irq_base != -1) {
@@ -456,10 +453,7 @@ static void pch_gpio_remove(struct pci_dev *pdev)
irq_free_descs(chip->irq_base, gpio_pins[chip->ioh]);
}
- err = gpiochip_remove(&chip->gpio);
- if (err)
- dev_err(&pdev->dev, "Failed gpiochip_remove\n");
-
+ gpiochip_remove(&chip->gpio);
pci_iounmap(pdev, chip->base);
pci_release_regions(pdev);
pci_disable_device(pdev);
diff --git a/drivers/gpio/gpio-rc5t583.c b/drivers/gpio/gpio-rc5t583.c
index 562b0c4..769233d 100644
--- a/drivers/gpio/gpio-rc5t583.c
+++ b/drivers/gpio/gpio-rc5t583.c
@@ -148,7 +148,8 @@ static int rc5t583_gpio_remove(struct platform_device *pdev)
{
struct rc5t583_gpio *rc5t583_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&rc5t583_gpio->gpio_chip);
+ gpiochip_remove(&rc5t583_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver rc5t583_gpio_driver = {
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index 7c62121..c96e2af 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -471,11 +471,8 @@ err0:
static int gpio_rcar_remove(struct platform_device *pdev)
{
struct gpio_rcar_priv *p = platform_get_drvdata(pdev);
- int ret;
- ret = gpiochip_remove(&p->gpio_chip);
- if (ret)
- return ret;
+ gpiochip_remove(&p->gpio_chip);
irq_domain_remove(p->irq_domain);
pm_runtime_put(&pdev->dev);
diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c
index 9fa7e53..d729bc8 100644
--- a/drivers/gpio/gpio-rdc321x.c
+++ b/drivers/gpio/gpio-rdc321x.c
@@ -199,14 +199,11 @@ static int rdc321x_gpio_probe(struct platform_device *pdev)
static int rdc321x_gpio_remove(struct platform_device *pdev)
{
- int ret;
struct rdc321x_gpio *rdc321x_gpio_dev = platform_get_drvdata(pdev);
- ret = gpiochip_remove(&rdc321x_gpio_dev->chip);
- if (ret)
- dev_err(&pdev->dev, "failed to unregister chip\n");
+ gpiochip_remove(&rdc321x_gpio_dev->chip);
- return ret;
+ return 0;
}
static struct platform_driver rdc321x_gpio_driver = {
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index a9b1cd1..41e91d7 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -290,8 +290,7 @@ static int sch_gpio_probe(struct platform_device *pdev)
return 0;
err_sch_gpio_resume:
- if (gpiochip_remove(&sch_gpio_core))
- dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
+ gpiochip_remove(&sch_gpio_core);
err_sch_gpio_core:
release_region(res->start, resource_size(res));
@@ -304,23 +303,14 @@ static int sch_gpio_remove(struct platform_device *pdev)
{
struct resource *res;
if (gpio_ba) {
- int err;
- err = gpiochip_remove(&sch_gpio_core);
- if (err)
- dev_err(&pdev->dev, "%s failed, %d\n",
- "gpiochip_remove()", err);
- err = gpiochip_remove(&sch_gpio_resume);
- if (err)
- dev_err(&pdev->dev, "%s failed, %d\n",
- "gpiochip_remove()", err);
+ gpiochip_remove(&sch_gpio_core);
+ gpiochip_remove(&sch_gpio_resume);
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
release_region(res->start, resource_size(res));
gpio_ba = 0;
-
- return err;
}
return 0;
diff --git a/drivers/gpio/gpio-sch311x.c b/drivers/gpio/gpio-sch311x.c
index f942b80..0cb1141 100644
--- a/drivers/gpio/gpio-sch311x.c
+++ b/drivers/gpio/gpio-sch311x.c
@@ -291,14 +291,12 @@ static int sch311x_gpio_remove(struct platform_device *pdev)
{
struct sch311x_pdev_data *pdata = pdev->dev.platform_data;
struct sch311x_gpio_priv *priv = platform_get_drvdata(pdev);
- int err, i;
+ int i;
release_region(pdata->runtime_reg + GP1, 6);
for (i = 0; i < ARRAY_SIZE(priv->blocks); i++) {
- err = gpiochip_remove(&priv->blocks[i].chip);
- if (err)
- return err;
+ gpiochip_remove(&priv->blocks[i].chip);
dev_info(&pdev->dev,
"SMSC SCH311x GPIO block %d unregistered.\n", i);
}
diff --git a/drivers/gpio/gpio-sodaville.c b/drivers/gpio/gpio-sodaville.c
index 7c6c518..d8da36c 100644
--- a/drivers/gpio/gpio-sodaville.c
+++ b/drivers/gpio/gpio-sodaville.c
@@ -265,9 +265,7 @@ static void sdv_gpio_remove(struct pci_dev *pdev)
free_irq(pdev->irq, sd);
irq_free_descs(sd->irq_base, SDV_NUM_PUB_GPIOS);
- if (gpiochip_remove(&sd->bgpio.gc))
- dev_err(&pdev->dev, "gpiochip_remove() failed.\n");
-
+ gpiochip_remove(&sd->bgpio.gc);
pci_release_region(pdev, GPIO_BAR);
iounmap(sd->gpio_pub_base);
pci_disable_device(pdev);
diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
index ed90adb..845025a 100644
--- a/drivers/gpio/gpio-stmpe.c
+++ b/drivers/gpio/gpio-stmpe.c
@@ -353,17 +353,11 @@ static int stmpe_gpio_remove(struct platform_device *pdev)
struct stmpe_gpio *stmpe_gpio = platform_get_drvdata(pdev);
struct stmpe *stmpe = stmpe_gpio->stmpe;
struct stmpe_gpio_platform_data *pdata = stmpe->pdata->gpio;
- int ret;
if (pdata && pdata->remove)
pdata->remove(stmpe, stmpe_gpio->chip.base);
- ret = gpiochip_remove(&stmpe_gpio->chip);
- if (ret < 0) {
- dev_err(stmpe_gpio->dev,
- "unable to remove gpiochip: %d\n", ret);
- return ret;
- }
+ gpiochip_remove(&stmpe_gpio->chip);
stmpe_disable(stmpe, STMPE_BLOCK_GPIO);
diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index b51ca9f..bce6c61 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -615,19 +615,16 @@ static int sx150x_probe(struct i2c_client *client,
return 0;
probe_fail_post_gpiochip_add:
- WARN_ON(gpiochip_remove(&chip->gpio_chip) < 0);
+ gpiochip_remove(&chip->gpio_chip);
return rc;
}
static int sx150x_remove(struct i2c_client *client)
{
struct sx150x_chip *chip;
- int rc;
chip = i2c_get_clientdata(client);
- rc = gpiochip_remove(&chip->gpio_chip);
- if (rc < 0)
- return rc;
+ gpiochip_remove(&chip->gpio_chip);
if (chip->irq_summary >= 0)
sx150x_remove_irq_chip(chip);
diff --git a/drivers/gpio/gpio-syscon.c b/drivers/gpio/gpio-syscon.c
index b50fe12..30884fb 100644
--- a/drivers/gpio/gpio-syscon.c
+++ b/drivers/gpio/gpio-syscon.c
@@ -172,7 +172,8 @@ static int syscon_gpio_remove(struct platform_device *pdev)
{
struct syscon_gpio_priv *priv = platform_get_drvdata(pdev);
- return gpiochip_remove(&priv->chip);
+ gpiochip_remove(&priv->chip);
+ return 0;
}
static struct platform_driver syscon_gpio_driver = {
diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c
index 07bce97..9e615be 100644
--- a/drivers/gpio/gpio-tb10x.c
+++ b/drivers/gpio/gpio-tb10x.c
@@ -291,7 +291,6 @@ fail_ioremap:
static int __exit tb10x_gpio_remove(struct platform_device *pdev)
{
struct tb10x_gpio *tb10x_gpio = platform_get_drvdata(pdev);
- int ret;
if (tb10x_gpio->gc.to_irq) {
irq_remove_generic_chip(tb10x_gpio->domain->gc->gc[0],
@@ -300,9 +299,7 @@ static int __exit tb10x_gpio_remove(struct platform_device *pdev)
irq_domain_remove(tb10x_gpio->domain);
free_irq(tb10x_gpio->irq, tb10x_gpio);
}
- ret = gpiochip_remove(&tb10x_gpio->gc);
- if (ret)
- return ret;
+ gpiochip_remove(&tb10x_gpio->gc);
return 0;
}
diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c
index 51f7cbd..7324869 100644
--- a/drivers/gpio/gpio-tc3589x.c
+++ b/drivers/gpio/gpio-tc3589x.c
@@ -313,17 +313,11 @@ static int tc3589x_gpio_remove(struct platform_device *pdev)
struct tc3589x_gpio *tc3589x_gpio = platform_get_drvdata(pdev);
struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
struct tc3589x_gpio_platform_data *pdata = tc3589x->pdata->gpio;
- int ret;
if (pdata && pdata->remove)
pdata->remove(tc3589x, tc3589x_gpio->chip.base);
- ret = gpiochip_remove(&tc3589x_gpio->chip);
- if (ret < 0) {
- dev_err(tc3589x_gpio->dev,
- "unable to remove gpiochip: %d\n", ret);
- return ret;
- }
+ gpiochip_remove(&tc3589x_gpio->chip);
return 0;
}
diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c
index efc7c129..a685a3c 100644
--- a/drivers/gpio/gpio-timberdale.c
+++ b/drivers/gpio/gpio-timberdale.c
@@ -307,7 +307,6 @@ static int timbgpio_probe(struct platform_device *pdev)
static int timbgpio_remove(struct platform_device *pdev)
{
- int err;
struct timbgpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct timbgpio *tgpio = platform_get_drvdata(pdev);
int irq = platform_get_irq(pdev, 0);
@@ -323,9 +322,7 @@ static int timbgpio_remove(struct platform_device *pdev)
irq_set_handler_data(irq, NULL);
}
- err = gpiochip_remove(&tgpio->gpio);
- if (err)
- printk(KERN_ERR DRIVER_NAME": failed to remove gpio_chip\n");
+ gpiochip_remove(&tgpio->gpio);
return 0;
}
diff --git a/drivers/gpio/gpio-tps6586x.c b/drivers/gpio/gpio-tps6586x.c
index a69fbea..9c9238e 100644
--- a/drivers/gpio/gpio-tps6586x.c
+++ b/drivers/gpio/gpio-tps6586x.c
@@ -137,7 +137,8 @@ static int tps6586x_gpio_remove(struct platform_device *pdev)
{
struct tps6586x_gpio *tps6586x_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&tps6586x_gpio->gpio_chip);
+ gpiochip_remove(&tps6586x_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver tps6586x_gpio_driver = {
diff --git a/drivers/gpio/gpio-tps65910.c b/drivers/gpio/gpio-tps65910.c
index e2f8cda..88f1f5f 100644
--- a/drivers/gpio/gpio-tps65910.c
+++ b/drivers/gpio/gpio-tps65910.c
@@ -190,7 +190,8 @@ static int tps65910_gpio_remove(struct platform_device *pdev)
{
struct tps65910_gpio *tps65910_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&tps65910_gpio->gpio_chip);
+ gpiochip_remove(&tps65910_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver tps65910_gpio_driver = {
diff --git a/drivers/gpio/gpio-tps65912.c b/drivers/gpio/gpio-tps65912.c
index 59ee486..22052d8 100644
--- a/drivers/gpio/gpio-tps65912.c
+++ b/drivers/gpio/gpio-tps65912.c
@@ -117,7 +117,8 @@ static int tps65912_gpio_remove(struct platform_device *pdev)
{
struct tps65912_gpio_data *tps65912_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&tps65912_gpio->gpio_chip);
+ gpiochip_remove(&tps65912_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver tps65912_gpio_driver = {
diff --git a/drivers/gpio/gpio-ts5500.c b/drivers/gpio/gpio-ts5500.c
index 3df3ebd..de18591 100644
--- a/drivers/gpio/gpio-ts5500.c
+++ b/drivers/gpio/gpio-ts5500.c
@@ -427,8 +427,7 @@ static int ts5500_dio_probe(struct platform_device *pdev)
return 0;
cleanup:
- if (gpiochip_remove(&priv->gpio_chip))
- dev_err(dev, "failed to remove gpio chip\n");
+ gpiochip_remove(&priv->gpio_chip);
return ret;
}
@@ -437,7 +436,8 @@ static int ts5500_dio_remove(struct platform_device *pdev)
struct ts5500_priv *priv = platform_get_drvdata(pdev);
ts5500_disable_irq(priv);
- return gpiochip_remove(&priv->gpio_chip);
+ gpiochip_remove(&priv->gpio_chip);
+ return 0;
}
static struct platform_device_id ts5500_dio_ids[] = {
diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c
index 826da37..118828b 100644
--- a/drivers/gpio/gpio-twl4030.c
+++ b/drivers/gpio/gpio-twl4030.c
@@ -583,9 +583,7 @@ static int gpio_twl4030_remove(struct platform_device *pdev)
}
}
- status = gpiochip_remove(&priv->gpio_chip);
- if (status < 0)
- return status;
+ gpiochip_remove(&priv->gpio_chip);
if (is_module())
return 0;
diff --git a/drivers/gpio/gpio-twl6040.c b/drivers/gpio/gpio-twl6040.c
index 0caf5cd..f28e04b 100644
--- a/drivers/gpio/gpio-twl6040.c
+++ b/drivers/gpio/gpio-twl6040.c
@@ -111,7 +111,8 @@ static int gpo_twl6040_probe(struct platform_device *pdev)
static int gpo_twl6040_remove(struct platform_device *pdev)
{
- return gpiochip_remove(&twl6040gpo_chip);
+ gpiochip_remove(&twl6040gpo_chip);
+ return 0;
}
/* Note: this hardware lives inside an I2C-based multi-function device. */
diff --git a/drivers/gpio/gpio-ucb1400.c b/drivers/gpio/gpio-ucb1400.c
index d520dc9..d502825 100644
--- a/drivers/gpio/gpio-ucb1400.c
+++ b/drivers/gpio/gpio-ucb1400.c
@@ -89,7 +89,7 @@ static int ucb1400_gpio_remove(struct platform_device *dev)
return err;
}
- err = gpiochip_remove(&ucb->gc);
+ gpiochip_remove(&ucb->gc);
return err;
}
diff --git a/drivers/gpio/gpio-viperboard.c b/drivers/gpio/gpio-viperboard.c
index 79e3b58..e2a11f2 100644
--- a/drivers/gpio/gpio-viperboard.c
+++ b/drivers/gpio/gpio-viperboard.c
@@ -446,8 +446,7 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
return ret;
err_gpiob:
- if (gpiochip_remove(&vb_gpio->gpioa))
- dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
+ gpiochip_remove(&vb_gpio->gpioa);
err_gpioa:
return ret;
@@ -456,13 +455,10 @@ err_gpioa:
static int vprbrd_gpio_remove(struct platform_device *pdev)
{
struct vprbrd_gpio *vb_gpio = platform_get_drvdata(pdev);
- int ret;
- ret = gpiochip_remove(&vb_gpio->gpiob);
- if (ret == 0)
- ret = gpiochip_remove(&vb_gpio->gpioa);
+ gpiochip_remove(&vb_gpio->gpiob);
- return ret;
+ return 0;
}
static struct platform_driver vprbrd_gpio_driver = {
diff --git a/drivers/gpio/gpio-vx855.c b/drivers/gpio/gpio-vx855.c
index 0fd23b6..85971d4 100644
--- a/drivers/gpio/gpio-vx855.c
+++ b/drivers/gpio/gpio-vx855.c
@@ -288,8 +288,7 @@ static int vx855gpio_remove(struct platform_device *pdev)
struct vx855_gpio *vg = platform_get_drvdata(pdev);
struct resource *res;
- if (gpiochip_remove(&vg->gpio))
- dev_err(&pdev->dev, "unable to remove gpio_chip?\n");
+ gpiochip_remove(&vg->gpio);
if (vg->gpi_reserved) {
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
diff --git a/drivers/gpio/gpio-wm831x.c b/drivers/gpio/gpio-wm831x.c
index b18a1a2..58ce75c 100644
--- a/drivers/gpio/gpio-wm831x.c
+++ b/drivers/gpio/gpio-wm831x.c
@@ -279,7 +279,8 @@ static int wm831x_gpio_remove(struct platform_device *pdev)
{
struct wm831x_gpio *wm831x_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&wm831x_gpio->gpio_chip);
+ gpiochip_remove(&wm831x_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver wm831x_gpio_driver = {
diff --git a/drivers/gpio/gpio-wm8350.c b/drivers/gpio/gpio-wm8350.c
index 2487f9d..060b893 100644
--- a/drivers/gpio/gpio-wm8350.c
+++ b/drivers/gpio/gpio-wm8350.c
@@ -145,7 +145,8 @@ static int wm8350_gpio_remove(struct platform_device *pdev)
{
struct wm8350_gpio_data *wm8350_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&wm8350_gpio->gpio_chip);
+ gpiochip_remove(&wm8350_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver wm8350_gpio_driver = {
diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c
index d93b6b5..6f5e42d 100644
--- a/drivers/gpio/gpio-wm8994.c
+++ b/drivers/gpio/gpio-wm8994.c
@@ -285,7 +285,8 @@ static int wm8994_gpio_remove(struct platform_device *pdev)
{
struct wm8994_gpio *wm8994_gpio = platform_get_drvdata(pdev);
- return gpiochip_remove(&wm8994_gpio->gpio_chip);
+ gpiochip_remove(&wm8994_gpio->gpio_chip);
+ return 0;
}
static struct platform_driver wm8994_gpio_driver = {
--
1.9.1
--
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