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gpio fixes for v5.7 

- fix mutex and spinlock ordering in gpio-mlxbf2
 - fix the return value checks on devm_platform_ioremap_resource in
   gpio-pxa and gpio-bcm-kona
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Merge tag 'gpio-fixes-for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into fixes

gpio fixes for v5.7

- fix mutex and spinlock ordering in gpio-mlxbf2
- fix the return value checks on devm_platform_ioremap_resource in
  gpio-pxa and gpio-bcm-kona
This commit is contained in:
Linus Walleij 2020-05-27 15:38:26 +02:00
parent e75dfba311 98f7d1b15e
commit ad3073bcb9
3 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpio/gpio-bcm-kona.c
View File

@ -625,7 +625,7 @@ static int bcm_kona_gpio_probe(struct platform_device *pdev)
kona_gpio->reg_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(kona_gpio->reg_base)) {
ret = -ENXIO;
ret = PTR_ERR(kona_gpio->reg_base);
goto err_irq_domain;
}

6
drivers/gpio/gpio-mlxbf2.c
View File

@ -127,8 +127,8 @@ static int mlxbf2_gpio_lock_acquire(struct mlxbf2_gpio_context *gs)
{
u32 arm_gpio_lock_val;
spin_lock(&gs->gc.bgpio_lock);
mutex_lock(yu_arm_gpio_lock_param.lock);
spin_lock(&gs->gc.bgpio_lock);
arm_gpio_lock_val = readl(yu_arm_gpio_lock_param.io);
@ -136,8 +136,8 @@ static int mlxbf2_gpio_lock_acquire(struct mlxbf2_gpio_context *gs)
* When lock active bit[31] is set, ModeX is write enabled
*/
if (YU_LOCK_ACTIVE_BIT(arm_gpio_lock_val)) {
mutex_unlock(yu_arm_gpio_lock_param.lock);
spin_unlock(&gs->gc.bgpio_lock);
mutex_unlock(yu_arm_gpio_lock_param.lock);
return -EINVAL;
}
@ -152,8 +152,8 @@ static int mlxbf2_gpio_lock_acquire(struct mlxbf2_gpio_context *gs)
static void mlxbf2_gpio_lock_release(struct mlxbf2_gpio_context *gs)
{
writel(YU_ARM_GPIO_LOCK_RELEASE, yu_arm_gpio_lock_param.io);
mutex_unlock(yu_arm_gpio_lock_param.lock);
spin_unlock(&gs->gc.bgpio_lock);
mutex_unlock(yu_arm_gpio_lock_param.lock);
}
/*

4
drivers/gpio/gpio-pxa.c
View File

@ -660,8 +660,8 @@ static int pxa_gpio_probe(struct platform_device *pdev)
pchip->irq1 = irq1;
gpio_reg_base = devm_platform_ioremap_resource(pdev, 0);
if (!gpio_reg_base)
return -EINVAL;
if (IS_ERR(gpio_reg_base))
return PTR_ERR(gpio_reg_base);
clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(clk)) {