linux-kernel - [PATCH v2] usb: dwc3: st: Switch from CONFIG_PM_SLEEP guards to pm_sleep

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Message-ID: <20250109152055.52931-1-rgallaispou@gmail.com>
Date: Thu,  9 Jan 2025 16:20:55 +0100
From: Raphael Gallais-Pou <rgallaispou@...il.com>
To: Patrice Chotard <patrice.chotard@...s.st.com>,
	Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2] usb: dwc3: st: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()

Letting the compiler remove these functions when the kernel is built
without CONFIG_PM_SLEEP support is simpler and less error prone than the
use of #ifdef based kernel configuration guards.

Signed-off-by: Raphael Gallais-Pou <rgallaispou@...il.com>
---
Changes in v2:
  - Split serie in single patches
  - Remove irrelevant 'Link:' from commit log
  - Link to v1: https://lore.kernel.org/r/20241229-update_pm_macro-v1-1-c7d4c4856336@gmail.com
---
 drivers/usb/dwc3/dwc3-st.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c
index e16c3237180e..ef7c43008946 100644
--- a/drivers/usb/dwc3/dwc3-st.c
+++ b/drivers/usb/dwc3/dwc3-st.c
@@ -309,7 +309,6 @@ static void st_dwc3_remove(struct platform_device *pdev)
 	reset_control_assert(dwc3_data->rstc_rst);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int st_dwc3_suspend(struct device *dev)
 {
 	struct st_dwc3 *dwc3_data = dev_get_drvdata(dev);
@@ -343,9 +342,8 @@ static int st_dwc3_resume(struct device *dev)
 
 	return 0;
 }
-#endif /* CONFIG_PM_SLEEP */
 
-static SIMPLE_DEV_PM_OPS(st_dwc3_dev_pm_ops, st_dwc3_suspend, st_dwc3_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(st_dwc3_dev_pm_ops, st_dwc3_suspend, st_dwc3_resume);
 
 static const struct of_device_id st_dwc3_match[] = {
 	{ .compatible = "st,stih407-dwc3" },
@@ -360,7 +358,7 @@ static struct platform_driver st_dwc3_driver = {
 	.driver = {
 		.name = "usb-st-dwc3",
 		.of_match_table = st_dwc3_match,
-		.pm = &st_dwc3_dev_pm_ops,
+		.pm = pm_sleep_ptr(&st_dwc3_dev_pm_ops),
 	},
 };
 
-- 
2.47.1