Input: at32psif - convert to dev_pm_ops

Convert driver to use dev_pm_ops instead of legacy PM infrastructure.
Also make 'open' a bool since it is really a boolean.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/serio/at32psif.c b/drivers/input/serio/at32psif.c
index 421a744..d0d861f 100644 (file)
--- a/drivers/input/serio/at32psif.c
+++ b/drivers/input/serio/at32psif.c
@@ -98,9 +98,9 @@ struct psif {
        struct serio            *io;
        void __iomem            *regs;
        unsigned int            irq;
-       unsigned int            open;
        /* Prevent concurrent writes to PSIF THR. */
        spinlock_t              lock;
+       bool                    open;
 };
 
 static irqreturn_t psif_interrupt(int irq, void *_ptr)
@@ -164,7 +164,7 @@ static int psif_open(struct serio *io)
        psif_writel(psif, CR, PSIF_BIT(CR_TXEN) | PSIF_BIT(CR_RXEN));
        psif_writel(psif, IER, PSIF_BIT(RXRDY));
 
-       psif->open = 1;
+       psif->open = true;
 out:
        return retval;
 }
@@ -173,7 +173,7 @@ static void psif_close(struct serio *io)
 {
        struct psif *psif = io->port_data;
 
-       psif->open = 0;
+       psif->open = false;
 
        psif_writel(psif, IDR, ~0UL);
        psif_writel(psif, CR, PSIF_BIT(CR_TXDIS) | PSIF_BIT(CR_RXDIS));
@@ -319,9 +319,10 @@ static int __exit psif_remove(struct platform_device *pdev)
        return 0;
 }
 
-#ifdef CONFIG_PM
-static int psif_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int psif_suspend(struct device *dev)
 {
+       struct platform_device *pdev = to_platform_device(dev);
        struct psif *psif = platform_get_drvdata(pdev);
 
        if (psif->open) {
@@ -332,8 +333,9 @@ static int psif_suspend(struct platform_device *pdev, pm_message_t state)
        return 0;
 }
 
-static int psif_resume(struct platform_device *pdev)
+static int psif_resume(struct device *dev)
 {
+       struct platform_device *pdev = to_platform_device(dev);
        struct psif *psif = platform_get_drvdata(pdev);
 
        if (psif->open) {
@@ -344,19 +346,17 @@ static int psif_resume(struct platform_device *pdev)
 
        return 0;
 }
-#else
-#define psif_suspend   NULL
-#define psif_resume    NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(psif_pm_ops, psif_suspend, psif_resume);
+
 static struct platform_driver psif_driver = {
        .remove         = __exit_p(psif_remove),
        .driver         = {
                .name   = "atmel_psif",
                .owner  = THIS_MODULE,
+               .pm     = &psif_pm_ops,
        },
-       .suspend        = psif_suspend,
-       .resume         = psif_resume,
 };
 module_platform_driver(psif_driver);