linux-kernel - [PATCH 9/9] memory: omap-gpmc: switch to platform_get

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Message-Id: <20191222185034.4665-9-tiny.windzz@gmail.com>
Date:   Sun, 22 Dec 2019 18:50:34 +0000
From:   Yangtao Li <tiny.windzz@...il.com>
To:     ssantosh@...nel.org, paul@...pouillou.net, matthias.bgg@...il.com,
        rogerq@...com, tony@...mide.com, lukasz.luba@....com,
        kgene@...nel.org, krzk@...nel.org, thierry.reding@...il.com,
        jonathanh@...dia.com, allison@...utok.net, tglx@...utronix.de,
        yong.wu@...iatek.com, jroedel@...e.de, evgreen@...omium.org,
        rfontana@...hat.com, digetx@...il.com, pdeschrijver@...dia.com,
        john@...ozen.org, alexios.zavras@...el.com, sboyd@...nel.org,
        kstewart@...uxfoundation.org, info@...ux.net,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-omap@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-tegra@...r.kernel.org
Cc:     Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH 9/9] memory: omap-gpmc: switch to platform_get_irq

platform_get_resource(pdev, IORESOURCE_IRQ) is not recommended for
requesting IRQ's resources, as they can be not ready yet. Using
platform_get_irq() instead is preferred for getting IRQ even if it
was not retrieved earlier.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/memory/omap-gpmc.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index eff26c1b1394..6dd19d168f75 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -2366,13 +2366,9 @@ static int gpmc_probe(struct platform_device *pdev)
 	if (IS_ERR(gpmc_base))
 		return PTR_ERR(gpmc_base);
 
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "Failed to get resource: irq\n");
-		return -ENOENT;
-	}
-
-	gpmc->irq = res->start;
+	gpmc->irq = platform_get_irq(pdev, 0);
+	if (gpmc->irq < 0)
+		return gpmc->irq;
 
 	gpmc_l3_clk = devm_clk_get(&pdev->dev, "fck");
 	if (IS_ERR(gpmc_l3_clk)) {
-- 
2.17.1