linux-kernel - [PATCH 6/6] spi: st: Switch from CONFIG_PM_SLEEP guards to pm_sleep

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Message-Id: <20241229-update_pm_macro-v1-6-c7d4c4856336@gmail.com>
Date: Sun, 29 Dec 2024 00:32:45 +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>, 
 Adrian Hunter <adrian.hunter@...el.com>, 
 Ulf Hansson <ulf.hansson@...aro.org>, 
 Miquel Raynal <miquel.raynal@...tlin.com>, 
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, 
 Damien Le Moal <dlemoal@...nel.org>, Niklas Cassel <cassel@...nel.org>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Jose Abreu <joabreu@...opsys.com>, Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Mark Brown <broonie@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org, 
 linux-mtd@...ts.infradead.org, linux-ide@...r.kernel.org, 
 netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, 
 linux-spi@...r.kernel.org
Subject: [PATCH 6/6] spi: 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.

Link: https://lore.kernel.org/all/20240716180010.126987-1-rgallaispou@gmail.com
Signed-off-by: Raphael Gallais-Pou <rgallaispou@...il.com>
---
 drivers/spi/spi-st-ssc4.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/spi/spi-st-ssc4.c b/drivers/spi/spi-st-ssc4.c
index 4cff976ab16fbdf3708ab870176a04f2628b501b..5cc452447410bedf3c12893d94bc959892ac827d 100644
--- a/drivers/spi/spi-st-ssc4.c
+++ b/drivers/spi/spi-st-ssc4.c
@@ -378,7 +378,6 @@ static void spi_st_remove(struct platform_device *pdev)
 	pinctrl_pm_select_sleep_state(&pdev->dev);
 }

-#ifdef CONFIG_PM
 static int spi_st_runtime_suspend(struct device *dev)
 {
 	struct spi_controller *host = dev_get_drvdata(dev);
@@ -403,9 +402,7 @@ static int spi_st_runtime_resume(struct device *dev)

 	return ret;
 }
-#endif

-#ifdef CONFIG_PM_SLEEP
 static int spi_st_suspend(struct device *dev)
 {
 	struct spi_controller *host = dev_get_drvdata(dev);
@@ -429,7 +426,6 @@ static int spi_st_resume(struct device *dev)

 	return pm_runtime_force_resume(dev);
 }
-#endif

 static const struct dev_pm_ops spi_st_pm = {
 	SET_SYSTEM_SLEEP_PM_OPS(spi_st_suspend, spi_st_resume)
@@ -445,7 +441,7 @@ MODULE_DEVICE_TABLE(of, stm_spi_match);
 static struct platform_driver spi_st_driver = {
 	.driver = {
 		.name = "spi-st",
-		.pm = &spi_st_pm,
+		.pm = pm_sleep_ptr(&spi_st_pm),
 		.of_match_table = of_match_ptr(stm_spi_match),
 	},
 	.probe = spi_st_probe,

-- 
2.47.1