[PATCH v1 1/6] gpio: mlxbf2: Convert to device PM ops

From: Andy Shevchenko
Date: Mon Aug 16 2021 - 08:00:14 EST


Convert driver to use modern device PM ops interface.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-mlxbf2.c | 21 ++++++---------------
1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/drivers/gpio/gpio-mlxbf2.c b/drivers/gpio/gpio-mlxbf2.c
index befa5e109943..68c471c10fa4 100644
--- a/drivers/gpio/gpio-mlxbf2.c
+++ b/drivers/gpio/gpio-mlxbf2.c
@@ -47,12 +47,10 @@
#define YU_GPIO_MODE0_SET 0x54
#define YU_GPIO_MODE0_CLEAR 0x58

-#ifdef CONFIG_PM
struct mlxbf2_gpio_context_save_regs {
u32 gpio_mode0;
u32 gpio_mode1;
};
-#endif

/* BlueField-2 gpio block context structure. */
struct mlxbf2_gpio_context {
@@ -61,9 +59,7 @@ struct mlxbf2_gpio_context {
/* YU GPIO blocks address */
void __iomem *gpio_io;

-#ifdef CONFIG_PM
struct mlxbf2_gpio_context_save_regs *csave_regs;
-#endif
};

/* BlueField-2 gpio shared structure. */
@@ -284,11 +280,9 @@ mlxbf2_gpio_probe(struct platform_device *pdev)
return 0;
}

-#ifdef CONFIG_PM
-static int mlxbf2_gpio_suspend(struct platform_device *pdev,
- pm_message_t state)
+static int __maybe_unused mlxbf2_gpio_suspend(struct device *dev)
{
- struct mlxbf2_gpio_context *gs = platform_get_drvdata(pdev);
+ struct mlxbf2_gpio_context *gs = dev_get_drvdata(dev);

gs->csave_regs->gpio_mode0 = readl(gs->gpio_io +
YU_GPIO_MODE0);
@@ -298,9 +292,9 @@ static int mlxbf2_gpio_suspend(struct platform_device *pdev,
return 0;
}

-static int mlxbf2_gpio_resume(struct platform_device *pdev)
+static int __maybe_unused mlxbf2_gpio_resume(struct device *dev)
{
- struct mlxbf2_gpio_context *gs = platform_get_drvdata(pdev);
+ struct mlxbf2_gpio_context *gs = dev_get_drvdata(dev);

writel(gs->csave_regs->gpio_mode0, gs->gpio_io +
YU_GPIO_MODE0);
@@ -309,7 +303,7 @@ static int mlxbf2_gpio_resume(struct platform_device *pdev)

return 0;
}
-#endif
+static SIMPLE_DEV_PM_OPS(mlxbf2_pm_ops, mlxbf2_gpio_suspend, mlxbf2_gpio_resume);

static const struct acpi_device_id __maybe_unused mlxbf2_gpio_acpi_match[] = {
{ "MLNXBF22", 0 },
@@ -321,12 +315,9 @@ static struct platform_driver mlxbf2_gpio_driver = {
.driver = {
.name = "mlxbf2_gpio",
.acpi_match_table = ACPI_PTR(mlxbf2_gpio_acpi_match),
+ .pm = &mlxbf2_pm_ops,
},
.probe = mlxbf2_gpio_probe,
-#ifdef CONFIG_PM
- .suspend = mlxbf2_gpio_suspend,
- .resume = mlxbf2_gpio_resume,
-#endif
};

module_platform_driver(mlxbf2_gpio_driver);
--
2.30.2