linux-kernel - [PATCH RFC 12/14] ahci: pata_imx: Switch from CONFIG_PM_SLEEP guards to pm_sleep

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Message-Id: <20250127-pm_ata-v1-12-f8f50c821a2a@gmail.com>
Date: Mon, 27 Jan 2025 13:46:07 +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 12/14] ahci: pata_imx: 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/pata_imx.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c
index b37682b0578f48ea9d51a103d19e40fe91c4729f..533de2782c37fb21bba4e4b8361c48c0f2878175 100644
--- a/drivers/ata/pata_imx.c
+++ b/drivers/ata/pata_imx.c
@@ -201,7 +201,6 @@ static void pata_imx_remove(struct platform_device *pdev)
 	__raw_writel(0, priv->host_regs + PATA_IMX_ATA_INT_EN);
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int pata_imx_suspend(struct device *dev)
 {
 	struct ata_host *host = dev_get_drvdata(dev);
@@ -234,9 +233,8 @@ static int pata_imx_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(pata_imx_pm_ops, pata_imx_suspend, pata_imx_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(pata_imx_pm_ops, pata_imx_suspend, pata_imx_resume);
 
 static const struct of_device_id imx_pata_dt_ids[] = {
 	{
@@ -253,7 +251,7 @@ static struct platform_driver pata_imx_driver = {
 	.driver = {
 		.name		= DRV_NAME,
 		.of_match_table	= imx_pata_dt_ids,
-		.pm		= &pata_imx_pm_ops,
+		.pm		= pm_sleep_ptr(&pata_imx_pm_ops),
 	},
 };
 

-- 
2.48.0