linux-kernel - [PATCH RFC 14/14] ahci: sata_rcar: Switch from CONFIG_PM_SLEEP guards to pm_sleep

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Message-Id: <20250127-pm_ata-v1-14-f8f50c821a2a@gmail.com>
Date: Mon, 27 Jan 2025 13:46:09 +0100
From: Raphael Gallais-Pou <rgallaispou@...il.com>
To: Damien Le Moal <dlemoal@...nel.org>, Niklas Cassel <cassel@...nel.org>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Hans de Goede <hdegoede@...hat.com>, 
 Patrice Chotard <patrice.chotard@...s.st.com>, Chen-Yu Tsai <wens@...e.org>, 
 Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>, Viresh Kumar <vireshk@...nel.org>, 
 Geert Uytterhoeven <geert+renesas@...der.be>
Cc: linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
 linux-renesas-soc@...r.kernel.org
Subject: [PATCH RFC 14/14] ahci: sata_rcar: 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>
---
 drivers/ata/sata_rcar.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 22820a02d7408033d698a98373e1e8e7ef47f908..4c5f5938c12efc7c8594df4092915011e83f910d 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -927,7 +927,6 @@ static void sata_rcar_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int sata_rcar_suspend(struct device *dev)
 {
 	struct ata_host *host = dev_get_drvdata(dev);
@@ -1005,7 +1004,6 @@ static const struct dev_pm_ops sata_rcar_pm_ops = {
 	.poweroff	= sata_rcar_suspend,
 	.restore	= sata_rcar_restore,
 };
-#endif
 
 static struct platform_driver sata_rcar_driver = {
 	.probe		= sata_rcar_probe,
@@ -1013,9 +1011,7 @@ static struct platform_driver sata_rcar_driver = {
 	.driver = {
 		.name		= DRV_NAME,
 		.of_match_table	= sata_rcar_match,
-#ifdef CONFIG_PM_SLEEP
-		.pm		= &sata_rcar_pm_ops,
-#endif
+		.pm		= pm_sleep_ptr(&sata_rcar_pm_ops),
 	},
 };
 

-- 
2.48.0