linux-kernel - [PATCH 1/5] ASoC: bcm: bcm63xx-i2s-whistler: Convert to devm_platform_ioremap

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Message-Id: <20230711034846.69437-1-frank.li@vivo.com>
Date:   Tue, 11 Jul 2023 11:48:41 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     Yangtao Li <frank.li@...o.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] ASoC: bcm: bcm63xx-i2s-whistler: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 sound/soc/bcm/bcm63xx-i2s-whistler.c | 16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

diff --git a/sound/soc/bcm/bcm63xx-i2s-whistler.c b/sound/soc/bcm/bcm63xx-i2s-whistler.c
index 18c51dbbc8dc..c64609718738 100644
--- a/sound/soc/bcm/bcm63xx-i2s-whistler.c
+++ b/sound/soc/bcm/bcm63xx-i2s-whistler.c
@@ -225,7 +225,6 @@ static int bcm63xx_i2s_dev_probe(struct platform_device *pdev)
 {
 	int ret = 0;
 	void __iomem *regs;
-	struct resource *r_mem, *region;
 	struct bcm_i2s_priv *i2s_priv;
 	struct regmap *regmap_i2s;
 	struct clk *i2s_clk;
@@ -241,20 +240,7 @@ static int bcm63xx_i2s_dev_probe(struct platform_device *pdev)
 		return PTR_ERR(i2s_clk);
 	}
 
-	r_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!r_mem) {
-		dev_err(&pdev->dev, "Unable to get register resource.\n");
-		return -ENODEV;
-	}
-
-	region = devm_request_mem_region(&pdev->dev, r_mem->start,
-					resource_size(r_mem), DRV_NAME);
-	if (!region) {
-		dev_err(&pdev->dev, "Memory region already claimed\n");
-		return -EBUSY;
-	}
-
-	regs = devm_ioremap_resource(&pdev->dev, r_mem);
+	regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(regs)) {
 		ret = PTR_ERR(regs);
 		return ret;
-- 
2.39.0