serial: sirf: use PM macro initialize PM functions

use SET_SYSTEM_SLEEP_PM_OPS to initialize suspend/resume functions
instead of legacy suspend and resume entries of platform_driver.
this will add hibernation support automatically as suspend to disk
entries are also set.

Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 11 insertions, 6 deletions

diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c
index f186a8fb8887..6fea79b96bb9 100644
--- a/drivers/tty/serial/sirfsoc_uart.c
+++ b/drivers/tty/serial/sirfsoc_uart.c
@@ -1518,32 +1518,37 @@ static int sirfsoc_uart_remove(struct platform_device *pdev)
         return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int
-sirfsoc_uart_suspend(struct platform_device *pdev, pm_message_t state)
+sirfsoc_uart_suspend(struct device *pdev)
 {
-        struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev);
+        struct sirfsoc_uart_port *sirfport = dev_get_drvdata(pdev);
         struct uart_port *port = &sirfport->port;
         uart_suspend_port(&sirfsoc_uart_drv, port);
         return 0;
 }
 
-static int sirfsoc_uart_resume(struct platform_device *pdev)
+static int sirfsoc_uart_resume(struct device *pdev)
 {
-        struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev);
+        struct sirfsoc_uart_port *sirfport = dev_get_drvdata(pdev);
         struct uart_port *port = &sirfport->port;
         uart_resume_port(&sirfsoc_uart_drv, port);
         return 0;
 }
+#endif
+
+static const struct dev_pm_ops sirfsoc_uart_pm_ops = {
+        SET_SYSTEM_SLEEP_PM_OPS(sirfsoc_uart_suspend, sirfsoc_uart_resume)
+};
 
 static struct platform_driver sirfsoc_uart_driver = {
         .probe          = sirfsoc_uart_probe,
         .remove         = sirfsoc_uart_remove,
-        .suspend        = sirfsoc_uart_suspend,
-        .resume         = sirfsoc_uart_resume,
         .driver         = {
                 .name   = SIRFUART_PORT_NAME,
                 .owner  = THIS_MODULE,
                 .of_match_table = sirfsoc_uart_ids,
+                .pm     = &sirfsoc_uart_pm_ops,
         },
 };