linux-kernel - [PATCH v2 1/2] bus: bt1-axi: change to use devm_clk_get

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Message-Id: <98e5fe3c7762f3c2cbf7b2f3b3461c0cef789dd6.1724726725.git.bo.wu@vivo.com>
Date: Mon, 26 Aug 2024 20:49:44 -0600
From: Wu Bo <bo.wu@...o.com>
To: linux-kernel@...r.kernel.org
Cc: Serge Semin <fancer.lancer@...il.com>,
	linux-mips@...r.kernel.org,
	Wu Bo <wubo.oduw@...il.com>,
	Wu Bo <bo.wu@...o.com>
Subject: [PATCH v2 1/2] bus: bt1-axi: change to use devm_clk_get_enabled() helper

Use devm_clk_get_enabled() instead of devm_clk_get() to make the code
cleaner and avoid calling clk_disable_unprepare()

Signed-off-by: Wu Bo <bo.wu@...o.com>
Acked-by: Serge Semin <fancer.lancer@...il.com>
---
 drivers/bus/bt1-axi.c | 23 ++---------------------
 1 file changed, 2 insertions(+), 21 deletions(-)

diff --git a/drivers/bus/bt1-axi.c b/drivers/bus/bt1-axi.c
index 4007e7322cf2..a5254c73bf43 100644
--- a/drivers/bus/bt1-axi.c
+++ b/drivers/bus/bt1-axi.c
@@ -146,33 +146,14 @@ static int bt1_axi_request_rst(struct bt1_axi *axi)
 	return ret;
 }
 
-static void bt1_axi_disable_clk(void *data)
-{
-	struct bt1_axi *axi = data;
-
-	clk_disable_unprepare(axi->aclk);
-}
-
 static int bt1_axi_request_clk(struct bt1_axi *axi)
 {
-	int ret;
-
-	axi->aclk = devm_clk_get(axi->dev, "aclk");
+	axi->aclk = devm_clk_get_enabled(axi->dev, "aclk");
 	if (IS_ERR(axi->aclk))
 		return dev_err_probe(axi->dev, PTR_ERR(axi->aclk),
 				     "Couldn't get AXI Interconnect clock\n");
 
-	ret = clk_prepare_enable(axi->aclk);
-	if (ret) {
-		dev_err(axi->dev, "Couldn't enable the AXI clock\n");
-		return ret;
-	}
-
-	ret = devm_add_action_or_reset(axi->dev, bt1_axi_disable_clk, axi);
-	if (ret)
-		dev_err(axi->dev, "Can't add AXI clock disable action\n");
-
-	return ret;
+	return 0;
 }
 
 static int bt1_axi_request_irq(struct bt1_axi *axi)
-- 
2.25.1