linux-kernel - [PATCH 1/5] pinctrl: sunxi: Use devm_clk_get

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Message-Id: <20240829064737.16169-1-wangjianzheng@vivo.com>
Date: Thu, 29 Aug 2024 14:47:37 +0800
From: Wang Jianzheng <wangjianzheng@...o.com>
To: Linus Walleij <linus.walleij@...aro.org>,
	Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	linux-gpio@...r.kernel.org (open list:PIN CONTROL SUBSYSTEM),
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Allwinner sunXi SoC support),
	linux-sunxi@...ts.linux.dev (open list:ARM/Allwinner sunXi SoC support),
	linux-kernel@...r.kernel.org (open list)
Cc: opensource.kernel@...o.com,
	wangjianzheng@...o.com
Subject: [PATCH 1/5] pinctrl: sunxi: Use devm_clk_get_enabled() helpers

sunxi sunxi_pinctrl_init_with_variant get, enable clk and
deinit_device disable and unprepare it.

This simplifes the code and avoids the calls to
clk_disable_unprepare().

Signed-off-by: Wang Jianzheng <wangjianzheng@...o.com>
---
 drivers/pinctrl/sunxi/pinctrl-sunxi.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index 73bcf806af0e..bde67ee31417 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -1603,30 +1603,26 @@ int sunxi_pinctrl_init_with_variant(struct platform_device *pdev,
 	}
 
 	ret = of_clk_get_parent_count(node);
-	clk = devm_clk_get(&pdev->dev, ret == 1 ? NULL : "apb");
+	clk = devm_clk_get_enabled(&pdev->dev, ret == 1 ? NULL : "apb");
 	if (IS_ERR(clk)) {
 		ret = PTR_ERR(clk);
 		goto gpiochip_error;
 	}
 
-	ret = clk_prepare_enable(clk);
-	if (ret)
-		goto gpiochip_error;
-
 	pctl->irq = devm_kcalloc(&pdev->dev,
 				 pctl->desc->irq_banks,
 				 sizeof(*pctl->irq),
 				 GFP_KERNEL);
 	if (!pctl->irq) {
 		ret = -ENOMEM;
-		goto clk_error;
+		goto gpiochip_error;
 	}
 
 	for (i = 0; i < pctl->desc->irq_banks; i++) {
 		pctl->irq[i] = platform_get_irq(pdev, i);
 		if (pctl->irq[i] < 0) {
 			ret = pctl->irq[i];
-			goto clk_error;
+			goto gpiochip_error;
 		}
 	}
 
@@ -1637,7 +1633,7 @@ int sunxi_pinctrl_init_with_variant(struct platform_device *pdev,
 	if (!pctl->domain) {
 		dev_err(&pdev->dev, "Couldn't register IRQ domain\n");
 		ret = -ENOMEM;
-		goto clk_error;
+		goto gpiochip_error;
 	}
 
 	for (i = 0; i < (pctl->desc->irq_banks * IRQ_PER_BANK); i++) {
@@ -1669,8 +1665,6 @@ int sunxi_pinctrl_init_with_variant(struct platform_device *pdev,
 
 	return 0;
 
-clk_error:
-	clk_disable_unprepare(clk);
 gpiochip_error:
 	gpiochip_remove(pctl->chip);
 	return ret;
-- 
2.34.1