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Date: Sat, 12 Jul 2014 22:30:13 +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 2/2] pinctrl: remove all usage of gpio_remove ret val in driver/pinctl
Signed-off-by: abdoulaye berthe <berthe.ab@...il.com>
---
drivers/pinctrl/pinctrl-adi2.c | 9 ++++-----
drivers/pinctrl/pinctrl-as3722.c | 11 ++---------
drivers/pinctrl/pinctrl-baytrail.c | 5 +----
drivers/pinctrl/pinctrl-coh901.c | 10 ++--------
drivers/pinctrl/pinctrl-rockchip.c | 16 ++++------------
drivers/pinctrl/sh-pfc/gpio.c | 9 +++------
drivers/pinctrl/spear/pinctrl-plgpio.c | 3 +--
drivers/pinctrl/sunxi/pinctrl-sunxi.c | 3 +--
drivers/pinctrl/vt8500/pinctrl-wmt.c | 9 ++-------
9 files changed, 20 insertions(+), 55 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-adi2.c b/drivers/pinctrl/pinctrl-adi2.c
index 46413e9..b092b93 100644
--- a/drivers/pinctrl/pinctrl-adi2.c
+++ b/drivers/pinctrl/pinctrl-adi2.c
@@ -949,7 +949,7 @@ static int adi_gpio_probe(struct platform_device *pdev)
struct gpio_port *port;
char pinctrl_devname[DEVNAME_SIZE];
static int gpio;
- int ret = 0, ret1;
+ int ret = 0;
pdata = dev->platform_data;
if (!pdata)
@@ -1027,7 +1027,7 @@ static int adi_gpio_probe(struct platform_device *pdev)
return 0;
out_remove_gpiochip:
- ret1 = gpiochip_remove(&port->chip);
+ gpiochip_remove(&port->chip);
out_remove_domain:
if (port->pint)
irq_domain_remove(port->domain);
@@ -1038,12 +1038,11 @@ out_remove_domain:
static int adi_gpio_remove(struct platform_device *pdev)
{
struct gpio_port *port = platform_get_drvdata(pdev);
- int ret;
u8 offset;
list_del(&port->node);
gpiochip_remove_pin_ranges(&port->chip);
- ret = gpiochip_remove(&port->chip);
+ gpiochip_remove(&port->chip);
if (port->pint) {
for (offset = 0; offset < port->width; offset++)
irq_dispose_mapping(irq_find_mapping(port->domain,
@@ -1051,7 +1050,7 @@ static int adi_gpio_remove(struct platform_device *pdev)
irq_domain_remove(port->domain);
}
- return ret;
+ return 0;
}
static int adi_pinctrl_probe(struct platform_device *pdev)
diff --git a/drivers/pinctrl/pinctrl-as3722.c b/drivers/pinctrl/pinctrl-as3722.c
index c862f9c0..0e4ec91 100644
--- a/drivers/pinctrl/pinctrl-as3722.c
+++ b/drivers/pinctrl/pinctrl-as3722.c
@@ -565,7 +565,6 @@ static int as3722_pinctrl_probe(struct platform_device *pdev)
{
struct as3722_pctrl_info *as_pci;
int ret;
- int tret;
as_pci = devm_kzalloc(&pdev->dev, sizeof(*as_pci), GFP_KERNEL);
if (!as_pci)
@@ -611,10 +610,7 @@ static int as3722_pinctrl_probe(struct platform_device *pdev)
return 0;
fail_range_add:
- tret = gpiochip_remove(&as_pci->gpio_chip);
- if (tret < 0)
- dev_warn(&pdev->dev, "Couldn't remove gpio chip, %d\n", tret);
-
+ gpiochip_remove(&as_pci->gpio_chip);
fail_chip_add:
pinctrl_unregister(as_pci->pctl);
return ret;
@@ -623,11 +619,8 @@ fail_chip_add:
static int as3722_pinctrl_remove(struct platform_device *pdev)
{
struct as3722_pctrl_info *as_pci = platform_get_drvdata(pdev);
- int ret;
- ret = gpiochip_remove(&as_pci->gpio_chip);
- if (ret < 0)
- return ret;
+ gpiochip_remove(&as_pci->gpio_chip);
pinctrl_unregister(as_pci->pctl);
return 0;
}
diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 701a646..d8e9469 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -638,12 +638,9 @@ MODULE_DEVICE_TABLE(acpi, byt_gpio_acpi_match);
static int byt_gpio_remove(struct platform_device *pdev)
{
struct byt_gpio *vg = platform_get_drvdata(pdev);
- int err;
pm_runtime_disable(&pdev->dev);
- err = gpiochip_remove(&vg->chip);
- if (err)
- dev_warn(&pdev->dev, "failed to remove gpio_chip.\n");
+ gpiochip_remove(&vg->chip);
return 0;
}
diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c
index d182fdd..29cbbab 100644
--- a/drivers/pinctrl/pinctrl-coh901.c
+++ b/drivers/pinctrl/pinctrl-coh901.c
@@ -756,8 +756,7 @@ static int __init u300_gpio_probe(struct platform_device *pdev)
err_no_range:
err_no_irqchip:
- if (gpiochip_remove(&gpio->chip))
- dev_err(&pdev->dev, "failed to remove gpio chip\n");
+ gpiochip_remove(&gpio->chip);
err_no_chip:
clk_disable_unprepare(gpio->clk);
dev_err(&pdev->dev, "module ERROR:%d\n", err);
@@ -767,16 +766,11 @@ err_no_chip:
static int __exit u300_gpio_remove(struct platform_device *pdev)
{
struct u300_gpio *gpio = platform_get_drvdata(pdev);
- int err;
/* Turn off the GPIO block */
writel(0x00000000U, gpio->base + U300_GPIO_CR);
- err = gpiochip_remove(&gpio->chip);
- if (err < 0) {
- dev_err(gpio->dev, "unable to remove gpiochip: %d\n", err);
- return err;
- }
+ gpiochip_remove(&gpio->chip);
clk_disable_unprepare(gpio->clk);
return 0;
}
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 192aaee..e2e66c8 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -1492,10 +1492,7 @@ fail:
for (--i, --bank; i >= 0; --i, --bank) {
if (!bank->valid)
continue;
-
- if (gpiochip_remove(&bank->gpio_chip))
- dev_err(&pdev->dev, "gpio chip %s remove failed\n",
- bank->gpio_chip.label);
+ gpiochip_remove(&bank->gpio_chip);
}
return ret;
}
@@ -1505,20 +1502,15 @@ static int rockchip_gpiolib_unregister(struct platform_device *pdev,
{
struct rockchip_pin_ctrl *ctrl = info->ctrl;
struct rockchip_pin_bank *bank = ctrl->pin_banks;
- int ret = 0;
int i;
- for (i = 0; !ret && i < ctrl->nr_banks; ++i, ++bank) {
+ for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
if (!bank->valid)
continue;
-
- ret = gpiochip_remove(&bank->gpio_chip);
+ gpiochip_remove(&bank->gpio_chip);
}
- if (ret)
- dev_err(&pdev->dev, "gpio chip remove failed\n");
-
- return ret;
+ return 0;
}
static int rockchip_get_bank_data(struct rockchip_pin_bank *bank,
diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
index a9288ab..80f641e 100644
--- a/drivers/pinctrl/sh-pfc/gpio.c
+++ b/drivers/pinctrl/sh-pfc/gpio.c
@@ -409,11 +409,8 @@ int sh_pfc_register_gpiochip(struct sh_pfc *pfc)
int sh_pfc_unregister_gpiochip(struct sh_pfc *pfc)
{
- int err;
- int ret;
-
- ret = gpiochip_remove(&pfc->gpio->gpio_chip);
- err = gpiochip_remove(&pfc->func->gpio_chip);
+ gpiochip_remove(&pfc->gpio->gpio_chip);
+ gpiochip_remove(&pfc->func->gpio_chip);
- return ret < 0 ? ret : err;
+ return 0;
}
diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c
index 3a20cdc..bddb791 100644
--- a/drivers/pinctrl/spear/pinctrl-plgpio.c
+++ b/drivers/pinctrl/spear/pinctrl-plgpio.c
@@ -606,8 +606,7 @@ static int plgpio_probe(struct platform_device *pdev)
remove_gpiochip:
dev_info(&pdev->dev, "Remove gpiochip\n");
- if (gpiochip_remove(&plgpio->chip))
- dev_err(&pdev->dev, "unable to remove gpiochip\n");
+ gpiochip_remove(&plgpio->chip);
unprepare_clk:
if (!IS_ERR(plgpio->clk))
clk_unprepare(plgpio->clk);
diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index 47f5e1b..96ee6bb 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -983,8 +983,7 @@ int sunxi_pinctrl_init(struct platform_device *pdev,
clk_error:
clk_disable_unprepare(clk);
gpiochip_error:
- if (gpiochip_remove(pctl->chip))
- dev_err(&pdev->dev, "failed to remove gpio chip\n");
+ gpiochip_remove(pctl->chip);
pinctrl_error:
pinctrl_unregister(pctl->pctl_dev);
return ret;
diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c
index 8c976c2..8cea355 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wmt.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c
@@ -615,8 +615,7 @@ int wmt_pinctrl_probe(struct platform_device *pdev,
return 0;
fail_range:
- if (gpiochip_remove(&data->gpio_chip))
- dev_err(&pdev->dev, "failed to remove gpio chip\n");
+ gpiochip_remove(&data->gpio_chip);
fail_gpio:
pinctrl_unregister(data->pctl_dev);
return err;
@@ -625,12 +624,8 @@ fail_gpio:
int wmt_pinctrl_remove(struct platform_device *pdev)
{
struct wmt_pinctrl_data *data = platform_get_drvdata(pdev);
- int err;
-
- err = gpiochip_remove(&data->gpio_chip);
- if (err)
- dev_err(&pdev->dev, "failed to remove gpio chip\n");
+ gpiochip_remove(&data->gpio_chip);
pinctrl_unregister(data->pctl_dev);
return 0;
--
1.9.1
--
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