diff options
Diffstat (limited to 'drivers')
57 files changed, 100 insertions, 242 deletions
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index e4ae29824c3..e3d968f751f 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 b2239d678d0..416b2200d4f 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 f1ade8fa321..b08bd169e56 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 ef19bc33f2b..3beed6ea8c6 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 94e9992f890..3c09f1a6872 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 29bdff55898..fe369f5c7fa 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 c0a3aeba6f2..92ec58fa923 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 416cdf786b0..c5bccd4dec9 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 f992997bc30..9167c433108 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 cd3b8143527..d6618a6e239 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 cde36054c38..fe49ec3cdb7 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 8f73ee09373..fd3202f968f 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 fea8c82bb8f..16f6115e5bd 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 3c3f515b791..66ad3df9d9c 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 70304220a47..3784e81e776 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 278b8131701..dadfc245cf0 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 42852eaaf02..29ffe22ad97 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 1e5e51987d3..fd150adeebf 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 a0341c92bcb..6bbdad805b7 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 2bea89b7250..7c141dd850a 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 0814584fcdc..18ab89e2080 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 7c36f2b0983..6c676225b88 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 553a80a5eaf..4e3e160e5db 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 dce35ff00db..d62b4f8182b 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 fe7c0e211f9..4fe07864fa0 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 d51329d23d3..5536108aa9d 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 a3351acd496..94f57670df9 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 db83b3c0a44..f4e54a92e04 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 dbb08546b9e..5c5770c99c8 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 86bdbe36206..171a6389f9c 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 e721a37c347..f9961eea212 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 27b46751ea7..236708ad0a5 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 d6eac9b17db..e0ac549dccb 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 562b0c4d9cc..769233d2da6 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 7c621211e17..c96e2afdad7 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 9fa7e53331c..d729bc8a554 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 a9b1cd16c84..41e91d70301 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 f942b80ee40..0cb11413e81 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 7c6c518929b..d8da36cd812 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 ed90adbdb12..845025a5724 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 b51ca9f5c14..bce6c6108f2 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 b50fe129774..30884fbc750 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 07bce97647a..9e615be8032 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 51f7cbd9ff7..7324869c38e 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 efc7c129016..a685a3cbbc8 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 a69fbea4125..9c9238e838a 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 e2f8cda235e..88f1f5ff4e9 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 59ee486cb8b..22052d84c63 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 3df3ebdb3e5..de18591ff11 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 826da37052d..118828b3736 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 0caf5cd1b47..f28e04b88aa 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 d520dc9ed70..d502825159b 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 79e3b583671..e2a11f27807 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 0fd23b6a753..85971d4e23c 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 b18a1a26425..58ce75c188b 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 2487f9d575d..060b89303bb 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 d93b6b58167..6f5e42db4b9 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 = { |