diff options
| author | Zhang Zekun <zhangzekun11@huawei.com> | 2024-09-04 17:23:10 +0800 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2024-09-05 15:04:44 +0200 |
| commit | 162b169656039027986f16b82a20745523dbf891 (patch) | |
| tree | a233570b4d673ea0d58e1e93ee415281acd4f0bd /drivers/gpio | |
| parent | 8abc67adc9ac1ba4d322b24e00027b8ccdba25c0 (diff) | |
| download | lwn-162b169656039027986f16b82a20745523dbf891.tar.gz lwn-162b169656039027986f16b82a20745523dbf891.zip | |
gpio: mb86s7x: Use helper function devm_clk_get_optional_enabled()
devm_clk_get_optional() and clk_prepare_enable() can be replaced by helper
function devm_clk_get_optional_enabled(). Let's simplify code with use of
devm_clk_get_optional_enabled() and avoid calling clk_disable_unprepare().
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20240904092311.9544-4-zhangzekun11@huawei.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-mb86s7x.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-mb86s7x.c b/drivers/gpio/gpio-mb86s7x.c index 7fb298b4571b..ccbb63c21d6f 100644 --- a/drivers/gpio/gpio-mb86s7x.c +++ b/drivers/gpio/gpio-mb86s7x.c @@ -35,7 +35,6 @@ struct mb86s70_gpio_chip { struct gpio_chip gc; void __iomem *base; - struct clk *clk; spinlock_t lock; }; @@ -157,6 +156,7 @@ static int mb86s70_gpio_to_irq(struct gpio_chip *gc, unsigned int offset) static int mb86s70_gpio_probe(struct platform_device *pdev) { struct mb86s70_gpio_chip *gchip; + struct clk *clk; int ret; gchip = devm_kzalloc(&pdev->dev, sizeof(*gchip), GFP_KERNEL); @@ -169,13 +169,9 @@ static int mb86s70_gpio_probe(struct platform_device *pdev) if (IS_ERR(gchip->base)) return PTR_ERR(gchip->base); - gchip->clk = devm_clk_get_optional(&pdev->dev, NULL); - if (IS_ERR(gchip->clk)) - return PTR_ERR(gchip->clk); - - ret = clk_prepare_enable(gchip->clk); - if (ret) - return ret; + clk = devm_clk_get_optional_enabled(&pdev->dev, NULL); + if (IS_ERR(clk)) + return PTR_ERR(clk); spin_lock_init(&gchip->lock); @@ -193,11 +189,9 @@ static int mb86s70_gpio_probe(struct platform_device *pdev) gchip->gc.base = -1; ret = gpiochip_add_data(&gchip->gc, gchip); - if (ret) { - dev_err(&pdev->dev, "couldn't register gpio driver\n"); - clk_disable_unprepare(gchip->clk); - return ret; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, + "couldn't register gpio driver\n"); acpi_gpiochip_request_interrupts(&gchip->gc); @@ -210,7 +204,6 @@ static void mb86s70_gpio_remove(struct platform_device *pdev) acpi_gpiochip_free_interrupts(&gchip->gc); gpiochip_remove(&gchip->gc); - clk_disable_unprepare(gchip->clk); } static const struct of_device_id mb86s70_gpio_dt_ids[] = { |