linux-kernel - [PATCH v2 3/3] clk: fsl-sai: use devm_clk_hw_register_composite

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Date:   Thu,  5 Nov 2020 20:27:46 +0100
From:   Michael Walle <michael@...le.cc>
To:     linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH v2 3/3] clk: fsl-sai: use devm_clk_hw_register_composite_pdata()

Simplify the driver by using that helper and drop the remove() function.

Signed-off-by: Michael Walle <michael@...le.cc>
---
Changes since v1:
 - new patch

 drivers/clk/clk-fsl-sai.c | 26 +++++++-------------------
 1 file changed, 7 insertions(+), 19 deletions(-)

diff --git a/drivers/clk/clk-fsl-sai.c b/drivers/clk/clk-fsl-sai.c
index 1e81c8d8a6fd..6238fcea0467 100644
--- a/drivers/clk/clk-fsl-sai.c
+++ b/drivers/clk/clk-fsl-sai.c
@@ -58,30 +58,19 @@ static int fsl_sai_clk_probe(struct platform_device *pdev)
 	/* set clock direction, we are the BCLK master */
 	writel(CR2_BCD, base + I2S_CR2);
 
-	hw = clk_hw_register_composite_pdata(dev, dev->of_node->name,
-					     &pdata, 1, NULL, NULL,
-					     &sai_clk->div.hw,
-					     &clk_divider_ops,
-					     &sai_clk->gate.hw,
-					     &clk_gate_ops,
-					     CLK_SET_RATE_GATE);
+	hw = devm_clk_hw_register_composite_pdata(dev, dev->of_node->name,
+						  &pdata, 1, NULL, NULL,
+						  &sai_clk->div.hw,
+						  &clk_divider_ops,
+						  &sai_clk->gate.hw,
+						  &clk_gate_ops,
+						  CLK_SET_RATE_GATE);
 	if (IS_ERR(hw))
 		return PTR_ERR(hw);
 
-	platform_set_drvdata(pdev, hw);
-
 	return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, hw);
 }
 
-static int fsl_sai_clk_remove(struct platform_device *pdev)
-{
-	struct clk_hw *hw = platform_get_drvdata(pdev);
-
-	clk_hw_unregister_composite(hw);
-
-	return 0;
-}
-
 static const struct of_device_id of_fsl_sai_clk_ids[] = {
 	{ .compatible = "fsl,vf610-sai-clock" },
 	{ }
@@ -90,7 +79,6 @@ MODULE_DEVICE_TABLE(of, of_fsl_sai_clk_ids);
 
 static struct platform_driver fsl_sai_clk_driver = {
 	.probe = fsl_sai_clk_probe,
-	.remove = fsl_sai_clk_remove,
 	.driver		= {
 		.name	= "fsl-sai-clk",
 		.of_match_table = of_fsl_sai_clk_ids,
-- 
2.20.1