linux-kernel - [PATCH v2 5/7] serial: 8250_exar: switch to DEFINE_SIMPLE_DEV_PM

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Date: Mon, 19 Feb 2024 17:05:01 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Cc: Jiri Slaby <jirislaby@...nel.org>
Subject: [PATCH v2 5/7] serial: 8250_exar: switch to DEFINE_SIMPLE_DEV_PM_OPS()

SIMPLE_DEV_PM_OPS() is deprecated, replace it with DEFINE_SIMPLE_DEV_PM_OPS()
and use pm_sleep_ptr() for setting the driver's PM routines. We can now
remove the __maybe_unused qualifier in the suspend and resume functions.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/tty/serial/8250/8250_exar.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 2a0c1f7e87f5..53c5ff49e83c 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
+#include <linux/pm.h>
 #include <linux/property.h>
 #include <linux/serial_core.h>
 #include <linux/serial_reg.h>
@@ -746,7 +747,7 @@ static void exar_pci_remove(struct pci_dev *pcidev)
 		priv->board->exit(pcidev);
 }
 
-static int __maybe_unused exar_suspend(struct device *dev)
+static int exar_suspend(struct device *dev)
 {
 	struct exar8250 *priv = dev_get_drvdata(dev);
 	unsigned int i;
@@ -758,7 +759,7 @@ static int __maybe_unused exar_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused exar_resume(struct device *dev)
+static int exar_resume(struct device *dev)
 {
 	struct exar8250 *priv = dev_get_drvdata(dev);
 	unsigned int i;
@@ -772,7 +773,7 @@ static int __maybe_unused exar_resume(struct device *dev)
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(exar_pci_pm, exar_suspend, exar_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(exar_pci_pm, exar_suspend, exar_resume);
 
 static const struct exar8250_board pbn_fastcom335_2 = {
 	.num_ports	= 2,
@@ -922,7 +923,7 @@ static struct pci_driver exar_pci_driver = {
 	.probe		= exar_pci_probe,
 	.remove		= exar_pci_remove,
 	.driver         = {
-		.pm     = &exar_pci_pm,
+		.pm     = pm_sleep_ptr(&exar_pci_pm),
 	},
 	.id_table	= exar_pci_tbl,
 };
-- 
2.43.0.rc1.1.gbec44491f096