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path: root/drivers/tty/serial/8250/8250_dw.c
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Diffstat (limited to 'drivers/tty/serial/8250/8250_dw.c')
-rw-r--r--drivers/tty/serial/8250/8250_dw.c31
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index c3b2ec0..1d0dba2 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -87,7 +87,7 @@ static int dw8250_handle_irq(struct uart_port *p)
return 0;
}
-static int __devinit dw8250_probe(struct platform_device *pdev)
+static int dw8250_probe(struct platform_device *pdev)
{
struct uart_8250_port uart = {};
struct resource *regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -152,7 +152,7 @@ static int __devinit dw8250_probe(struct platform_device *pdev)
return 0;
}
-static int __devexit dw8250_remove(struct platform_device *pdev)
+static int dw8250_remove(struct platform_device *pdev)
{
struct dw8250_data *data = platform_get_drvdata(pdev);
@@ -161,6 +161,29 @@ static int __devexit dw8250_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM
+static int dw8250_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct dw8250_data *data = platform_get_drvdata(pdev);
+
+ serial8250_suspend_port(data->line);
+
+ return 0;
+}
+
+static int dw8250_resume(struct platform_device *pdev)
+{
+ struct dw8250_data *data = platform_get_drvdata(pdev);
+
+ serial8250_resume_port(data->line);
+
+ return 0;
+}
+#else
+#define dw8250_suspend NULL
+#define dw8250_resume NULL
+#endif /* CONFIG_PM */
+
static const struct of_device_id dw8250_match[] = {
{ .compatible = "snps,dw-apb-uart" },
{ /* Sentinel */ }
@@ -174,7 +197,9 @@ static struct platform_driver dw8250_platform_driver = {
.of_match_table = dw8250_match,
},
.probe = dw8250_probe,
- .remove = __devexit_p(dw8250_remove),
+ .remove = dw8250_remove,
+ .suspend = dw8250_suspend,
+ .resume = dw8250_resume,
};
module_platform_driver(dw8250_platform_driver);
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