diff options
27 files changed, 52 insertions, 129 deletions
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c index a20fa80776d3..45f4c21e393c 100644 --- a/arch/arm/common/scoop.c +++ b/arch/arm/common/scoop.c @@ -243,18 +243,12 @@ err_ioremap: static int scoop_remove(struct platform_device *pdev) { struct scoop_dev *sdev = platform_get_drvdata(pdev); - int ret; if (!sdev) return -EINVAL; - if (sdev->gpio.base != -1) { - ret = gpiochip_remove(&sdev->gpio); - if (ret) { - dev_err(&pdev->dev, "Can't remove gpio chip: %d\n", ret); - return ret; - } - } + if (sdev->gpio.base != -1) + gpiochip_remove(&sdev->gpio); platform_set_drvdata(pdev, NULL); iounmap(sdev->base); diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 9ff200ae1c9a..2791b8641df6 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -789,11 +789,11 @@ void __init txx9_iocled_init(unsigned long baseaddr, if (platform_device_add(pdev)) goto out_pdev; return; + out_pdev: platform_device_put(pdev); out_gpio: - if (gpiochip_remove(&iocled->chip)) - return; + gpiochip_remove(&iocled->chip); out_unmap: iounmap(iocled->mmioaddr); out_free: diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c index e238b6a55b15..73997027b085 100644 --- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c +++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c @@ -141,7 +141,8 @@ static int mcu_gpiochip_add(struct mcu *mcu) static int mcu_gpiochip_remove(struct mcu *mcu) { - return gpiochip_remove(&mcu->gc); + gpiochip_remove(&mcu->gc); + return 0; } static int mcu_probe(struct i2c_client *client, const struct i2c_device_id *id) diff --git a/arch/sh/boards/mach-x3proto/gpio.c b/arch/sh/boards/mach-x3proto/gpio.c index 3ea65e9b56e8..f035a7ac6456 100644 --- a/arch/sh/boards/mach-x3proto/gpio.c +++ b/arch/sh/boards/mach-x3proto/gpio.c @@ -128,10 +128,8 @@ int __init x3proto_gpio_setup(void) return 0; err_irq: - ret = gpiochip_remove(&x3proto_gpio_chip); - if (unlikely(ret)) - pr_err("Failed deregistering GPIO\n"); - + gpiochip_remove(&x3proto_gpio_chip); + ret = 0; err_gpio: synchronize_irq(ilsel); diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index aec9f850b4a8..710fa62dd5ae 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -251,5 +251,6 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) int bcma_gpio_unregister(struct bcma_drv_cc *cc) { bcma_gpio_irq_domain_exit(cc); - return gpiochip_remove(&cc->gpio); + gpiochip_remove(&cc->gpio); + return 0; } diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 1e6f19a07454..5dfbced24815 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -671,8 +671,7 @@ static int zynq_gpio_probe(struct platform_device *pdev) return 0; err_rm_gpiochip: - if (gpiochip_remove(chip)) - dev_err(&pdev->dev, "Failed to remove gpio chip\n"); + gpiochip_remove(chip); err_disable_clk: clk_disable_unprepare(gpio->clk); diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index a822db5a8338..3318de690e00 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -1069,8 +1069,7 @@ static int cp2112_probe(struct hid_device *hdev, const struct hid_device_id *id) return ret; err_gpiochip_remove: - if (gpiochip_remove(&dev->gc) < 0) - hid_err(hdev, "error removing gpio chip\n"); + gpiochip_remove(&dev->gc); err_free_i2c: i2c_del_adapter(&dev->adap); err_free_dev: @@ -1089,8 +1088,7 @@ static void cp2112_remove(struct hid_device *hdev) struct cp2112_device *dev = hid_get_drvdata(hdev); sysfs_remove_group(&hdev->dev.kobj, &cp2112_attr_group); - if (gpiochip_remove(&dev->gc)) - hid_err(hdev, "unable to remove gpio chip\n"); + gpiochip_remove(&dev->gc); i2c_del_adapter(&dev->adap); /* i2c_del_adapter has finished removing all i2c devices from our * adapter. Well behaved devices should no longer call our cp2112_xfer diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 5ef7fcf0e250..b97ed443e0a4 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -251,9 +251,7 @@ static void adp5588_gpio_remove(struct adp5588_kpad *kpad) dev_warn(dev, "teardown failed %d\n", error); } - error = gpiochip_remove(&kpad->gc); - if (error) - dev_warn(dev, "gpiochip_remove failed %d\n", error); + gpiochip_remove(&kpad->gc); } #else static inline int adp5588_gpio_add(struct adp5588_kpad *kpad) diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index 6329549bf6ad..a45267729dfc 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -567,9 +567,7 @@ static void adp5589_gpio_remove(struct adp5589_kpad *kpad) dev_warn(dev, "teardown failed %d\n", error); } - error = gpiochip_remove(&kpad->gc); - if (error) - dev_warn(dev, "gpiochip_remove failed %d\n", error); + gpiochip_remove(&kpad->gc); } #else static inline int adp5589_gpio_add(struct adp5589_kpad *kpad) diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c index fce590677b7b..1eb9d3c20886 100644 --- a/drivers/input/touchscreen/ad7879.c +++ b/drivers/input/touchscreen/ad7879.c @@ -470,14 +470,10 @@ static int ad7879_gpio_add(struct ad7879 *ts, static void ad7879_gpio_remove(struct ad7879 *ts) { const struct ad7879_platform_data *pdata = dev_get_platdata(ts->dev); - int ret; - if (pdata->gpio_export) { - ret = gpiochip_remove(&ts->gc); - if (ret) - dev_err(ts->dev, "failed to remove gpio %d\n", - ts->gc.base); - } + if (pdata->gpio_export) + gpiochip_remove(&ts->gc); + } #else static inline int ad7879_gpio_add(struct ad7879 *ts, diff --git a/drivers/leds/leds-pca9532.c b/drivers/leds/leds-pca9532.c index 4a0e786b7832..5a6363d161a2 100644 --- a/drivers/leds/leds-pca9532.c +++ b/drivers/leds/leds-pca9532.c @@ -319,14 +319,8 @@ static int pca9532_destroy_devices(struct pca9532_data *data, int n_devs) } #ifdef CONFIG_LEDS_PCA9532_GPIO - if (data->gpio.dev) { - int err = gpiochip_remove(&data->gpio); - if (err) { - dev_err(&data->client->dev, "%s failed, %d\n", - "gpiochip_remove()", err); - return err; - } - } + if (data->gpio.dev) + gpiochip_remove(&data->gpio); #endif return 0; diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c index 3d9e267a56c4..20fa8e77f186 100644 --- a/drivers/leds/leds-tca6507.c +++ b/drivers/leds/leds-tca6507.c @@ -667,11 +667,8 @@ static int tca6507_probe_gpios(struct i2c_client *client, static void tca6507_remove_gpio(struct tca6507_chip *tca) { - if (tca->gpio.ngpio) { - int err = gpiochip_remove(&tca->gpio); - dev_err(&tca->client->dev, "%s failed, %d\n", - "gpiochip_remove()", err); - } + if (tca->gpio.ngpio) + gpiochip_remove(&tca->gpio); } #else /* CONFIG_GPIOLIB */ static int tca6507_probe_gpios(struct i2c_client *client, diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c index 03930d5e9fea..51ef89312615 100644 --- a/drivers/media/dvb-frontends/cxd2820r_core.c +++ b/drivers/media/dvb-frontends/cxd2820r_core.c @@ -584,18 +584,14 @@ static int cxd2820r_get_frontend_algo(struct dvb_frontend *fe) static void cxd2820r_release(struct dvb_frontend *fe) { struct cxd2820r_priv *priv = fe->demodulator_priv; - int uninitialized_var(ret); /* silence compiler warning */ dev_dbg(&priv->i2c->dev, "%s\n", __func__); #ifdef CONFIG_GPIOLIB /* remove GPIOs */ - if (priv->gpio_chip.label) { - ret = gpiochip_remove(&priv->gpio_chip); - if (ret) - dev_err(&priv->i2c->dev, "%s: gpiochip_remove() " \ - "failed=%d\n", KBUILD_MODNAME, ret); - } + if (priv->gpio_chip.label) + gpiochip_remove(&priv->gpio_chip); + #endif kfree(priv); return; diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index 9fc4186d4132..977bd3a3eed0 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -605,7 +605,8 @@ static int asic3_gpio_remove(struct platform_device *pdev) { struct asic3 *asic = platform_get_drvdata(pdev); - return gpiochip_remove(&asic->gpio); + gpiochip_remove(&asic->gpio); + return 0; } static void asic3_clk_enable(struct asic3 *asic, struct asic3_clk *clk) diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c index b44f0203983b..eab3fb028447 100644 --- a/drivers/mfd/htc-i2cpld.c +++ b/drivers/mfd/htc-i2cpld.c @@ -481,15 +481,9 @@ static int htcpld_register_chip_gpio( ret = gpiochip_add(&(chip->chip_in)); if (ret) { - int error; - dev_warn(dev, "Unable to register input GPIOs for 0x%x: %d\n", plat_chip_data->addr, ret); - - error = gpiochip_remove(&(chip->chip_out)); - if (error) - dev_warn(dev, "Error while trying to unregister gpio chip: %d\n", error); - + gpiochip_remove(&(chip->chip_out)); return ret; } diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 81e6d0932bf0..02027b7f1223 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1047,7 +1047,6 @@ static int sm501_register_gpio(struct sm501_devdata *sm) struct sm501_gpio *gpio = &sm->gpio; resource_size_t iobase = sm->io_res->start + SM501_GPIO; int ret; - int tmp; dev_dbg(sm->dev, "registering gpio block %08llx\n", (unsigned long long)iobase); @@ -1086,11 +1085,7 @@ static int sm501_register_gpio(struct sm501_devdata *sm) return 0; err_low_chip: - tmp = gpiochip_remove(&gpio->low.gpio); - if (tmp) { - dev_err(sm->dev, "cannot remove low chip, cannot tidy up\n"); - return ret; - } + gpiochip_remove(&gpio->low.gpio); err_mapped: iounmap(gpio->regs); @@ -1105,18 +1100,12 @@ static int sm501_register_gpio(struct sm501_devdata *sm) static void sm501_gpio_remove(struct sm501_devdata *sm) { struct sm501_gpio *gpio = &sm->gpio; - int ret; if (!sm->gpio.registered) return; - ret = gpiochip_remove(&gpio->low.gpio); - if (ret) - dev_err(sm->dev, "cannot remove low chip, cannot tidy up\n"); - - ret = gpiochip_remove(&gpio->high.gpio); - if (ret) - dev_err(sm->dev, "cannot remove high chip, cannot tidy up\n"); + gpiochip_remove(&gpio->low.gpio); + gpiochip_remove(&gpio->high.gpio); iounmap(gpio->regs); release_resource(gpio->regs_res); diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c index 11c19e538551..4fac16bcd732 100644 --- a/drivers/mfd/tc6393xb.c +++ b/drivers/mfd/tc6393xb.c @@ -607,7 +607,7 @@ static int tc6393xb_probe(struct platform_device *dev) struct tc6393xb_platform_data *tcpd = dev_get_platdata(&dev->dev); struct tc6393xb *tc6393xb; struct resource *iomem, *rscr; - int ret, temp; + int ret; iomem = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!iomem) @@ -714,7 +714,7 @@ err_setup: err_gpio_add: if (tc6393xb->gpio.base != -1) - temp = gpiochip_remove(&tc6393xb->gpio); + gpiochip_remove(&tc6393xb->gpio); tcpd->disable(dev); err_enable: clk_disable(tc6393xb->clk); @@ -744,13 +744,8 @@ static int tc6393xb_remove(struct platform_device *dev) tc6393xb_detach_irq(dev); - if (tc6393xb->gpio.base != -1) { - ret = gpiochip_remove(&tc6393xb->gpio); - if (ret) { - dev_err(&dev->dev, "Can't remove gpio chip: %d\n", ret); - return ret; - } - } + if (tc6393xb->gpio.base != -1) + gpiochip_remove(&tc6393xb->gpio); ret = tcpd->disable(dev); clk_disable(tc6393xb->clk); diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index 153d595afaac..58ea9fdd3a15 100644 --- a/drivers/mfd/ucb1x00-core.c +++ b/drivers/mfd/ucb1x00-core.c @@ -621,7 +621,6 @@ static void ucb1x00_remove(struct mcp *mcp) struct ucb1x00_plat_data *pdata = mcp->attached_device.platform_data; struct ucb1x00 *ucb = mcp_get_drvdata(mcp); struct list_head *l, *n; - int ret; mutex_lock(&ucb1x00_mutex); list_del(&ucb->node); @@ -631,11 +630,8 @@ static void ucb1x00_remove(struct mcp *mcp) } mutex_unlock(&ucb1x00_mutex); - if (ucb->gpio.base != -1) { - ret = gpiochip_remove(&ucb->gpio); - if (ret) - dev_err(&ucb->dev, "Can't remove gpio chip: %d\n", ret); - } + if (ucb->gpio.base != -1) + gpiochip_remove(&ucb->gpio); irq_set_chained_handler(ucb->irq, NULL); irq_free_descs(ucb->irq_base, 16); diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c index 40929e4f7ad7..04fed00b88e9 100644 --- a/drivers/platform/x86/intel_pmic_gpio.c +++ b/drivers/platform/x86/intel_pmic_gpio.c @@ -301,8 +301,7 @@ static int platform_pmic_gpio_probe(struct platform_device *pdev) return 0; fail_request_irq: - if (gpiochip_remove(&pg->chip)) - pr_err("gpiochip_remove failed\n"); + gpiochip_remove(&pg->chip); err: iounmap(pg->gpiointr); err2: diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c index ba350d2035c0..f92e266d48f8 100644 --- a/drivers/ssb/driver_gpio.c +++ b/drivers/ssb/driver_gpio.c @@ -475,7 +475,8 @@ int ssb_gpio_unregister(struct ssb_bus *bus) { if (ssb_chipco_available(&bus->chipco) || ssb_extif_available(&bus->extif)) { - return gpiochip_remove(&bus->gpio); + gpiochip_remove(&bus->gpio); + return 0; } else { SSB_WARN_ON(1); } diff --git a/drivers/staging/vme/devices/vme_pio2_gpio.c b/drivers/staging/vme/devices/vme_pio2_gpio.c index f00af0786af3..3304d9227c3c 100644 --- a/drivers/staging/vme/devices/vme_pio2_gpio.c +++ b/drivers/staging/vme/devices/vme_pio2_gpio.c @@ -221,9 +221,7 @@ void pio2_gpio_exit(struct pio2_card *card) { const char *label = card->gc.label; - if (gpiochip_remove(&(card->gc))) - dev_err(&card->vdev->dev, "Failed to remove GPIO\n"); - + gpiochip_remove(&(card->gc)); kfree(label); } diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 82573dc4d8cf..0041a64cc86e 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1248,7 +1248,7 @@ static int max310x_probe(struct device *dev, struct max310x_devtype *devtype, mutex_destroy(&s->mutex); #ifdef CONFIG_GPIOLIB - WARN_ON(gpiochip_remove(&s->gpio)); + gpiochip_remove(&s->gpio); out_uart: #endif @@ -1263,12 +1263,10 @@ out_clk: static int max310x_remove(struct device *dev) { struct max310x_port *s = dev_get_drvdata(dev); - int i, ret = 0; + int i; #ifdef CONFIG_GPIOLIB - ret = gpiochip_remove(&s->gpio); - if (ret) - return ret; + gpiochip_remove(&s->gpio); #endif for (i = 0; i < s->uart.nr; i++) { @@ -1282,7 +1280,7 @@ static int max310x_remove(struct device *dev) uart_unregister_driver(&s->uart); clk_disable_unprepare(s->clk); - return ret; + return 0; } static const struct of_device_id __maybe_unused max310x_dt_ids[] = { diff --git a/drivers/video/fbdev/via/via-gpio.c b/drivers/video/fbdev/via/via-gpio.c index e408679081ab..6f433b8cee12 100644 --- a/drivers/video/fbdev/via/via-gpio.c +++ b/drivers/video/fbdev/via/via-gpio.c @@ -270,7 +270,7 @@ static int viafb_gpio_probe(struct platform_device *platdev) static int viafb_gpio_remove(struct platform_device *platdev) { unsigned long flags; - int ret = 0, i; + int i; #ifdef CONFIG_PM viafb_pm_unregister(&viafb_gpio_pm_hooks); @@ -280,11 +280,7 @@ static int viafb_gpio_remove(struct platform_device *platdev) * Get unregistered. */ if (viafb_gpio_config.gpio_chip.ngpio > 0) { - ret = gpiochip_remove(&viafb_gpio_config.gpio_chip); - if (ret) { /* Somebody still using it? */ - printk(KERN_ERR "Viafb: GPIO remove failed\n"); - return ret; - } + gpiochip_remove(&viafb_gpio_config.gpio_chip); } /* * Disable the ports. @@ -294,7 +290,7 @@ static int viafb_gpio_remove(struct platform_device *platdev) viafb_gpio_disable(viafb_gpio_config.active_gpios[i]); viafb_gpio_config.gpio_chip.ngpio = 0; spin_unlock_irqrestore(&viafb_gpio_config.vdev->reg_lock, flags); - return ret; + return 0; } static struct platform_driver via_gpio_driver = { diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c index 7bb0d36d4c54..a01ad629ed61 100644 --- a/sound/soc/codecs/wm5100.c +++ b/sound/soc/codecs/wm5100.c @@ -2319,11 +2319,8 @@ static void wm5100_init_gpio(struct i2c_client *i2c) static void wm5100_free_gpio(struct i2c_client *i2c) { struct wm5100_priv *wm5100 = i2c_get_clientdata(i2c); - int ret; - ret = gpiochip_remove(&wm5100->gpio_chip); - if (ret != 0) - dev_err(&i2c->dev, "Failed to remove GPIOs: %d\n", ret); + gpiochip_remove(&wm5100->gpio_chip); } #else static void wm5100_init_gpio(struct i2c_client *i2c) diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c index aa0984864e76..c038b3e04398 100644 --- a/sound/soc/codecs/wm8903.c +++ b/sound/soc/codecs/wm8903.c @@ -1877,11 +1877,7 @@ static void wm8903_init_gpio(struct wm8903_priv *wm8903) static void wm8903_free_gpio(struct wm8903_priv *wm8903) { - int ret; - - ret = gpiochip_remove(&wm8903->gpio_chip); - if (ret != 0) - dev_err(wm8903->dev, "Failed to remove GPIOs: %d\n", ret); + gpiochip_remove(&wm8903->gpio_chip); } #else static void wm8903_init_gpio(struct wm8903_priv *wm8903) diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 1098ae32f1f9..9077411e62ce 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3398,11 +3398,8 @@ static void wm8962_init_gpio(struct snd_soc_codec *codec) static void wm8962_free_gpio(struct snd_soc_codec *codec) { struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); - int ret; - ret = gpiochip_remove(&wm8962->gpio_chip); - if (ret != 0) - dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret); + gpiochip_remove(&wm8962->gpio_chip); } #else static void wm8962_init_gpio(struct snd_soc_codec *codec) diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c index f16ff4f56923..b1dcc11c1b23 100644 --- a/sound/soc/codecs/wm8996.c +++ b/sound/soc/codecs/wm8996.c @@ -2216,11 +2216,7 @@ static void wm8996_init_gpio(struct wm8996_priv *wm8996) static void wm8996_free_gpio(struct wm8996_priv *wm8996) { - int ret; - - ret = gpiochip_remove(&wm8996->gpio_chip); - if (ret != 0) - dev_err(wm8996->dev, "Failed to remove GPIOs: %d\n", ret); + gpiochip_remove(&wm8996->gpio_chip); } #else static void wm8996_init_gpio(struct wm8996_priv *wm8996) |