[v2,07/14] spi: spi-geni-qcom: Convert to use resource-managed OPP API

Commit Message

Dmitry Osipenko March 11, 2021, 7:20 p.m. UTC

From: Yangtao Li <[e-mail]>

Use resource-managed OPP API to simplify code.

Signed-off-by: Yangtao Li <[e-mail]>
Acked-by: Mark brown <[e-mail]>
Signed-off-by: Dmitry Osipenko <[e-mail]>
---
 drivers/spi/spi-geni-qcom.c  | 17 +++++++----------
 include/linux/qcom-geni-se.h |  2 --
 2 files changed, 7 insertions(+), 12 deletions(-)

Comments

Mark Brown March 11, 2021, 7:44 p.m. UTC | #1

On Thu, Mar 11, 2021 at 10:20:58PM +0300, Dmitry Osipenko wrote:

> Acked-by: Mark brown <[e-mail]>

Typo there.

Dmitry Osipenko March 11, 2021, 7:52 p.m. UTC | #2

11.03.2021 22:44, Mark Brown пишет:
> On Thu, Mar 11, 2021 at 10:20:58PM +0300, Dmitry Osipenko wrote:
> 
>> Acked-by: Mark brown <[e-mail]>
> 
> Typo there.
> 

Good catch! Although, that should be a patchwork fault since it
auto-added acks when I downloaded v1 patches and I haven't changed them.
I'll fix it in v3 or, if there won't be anything else to improve, then
maybe Viresh could fix it up while applying patches.

Patch

diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c
index 881f645661cc..20cc29ea198b 100644
--- a/drivers/spi/spi-geni-qcom.c
+++ b/drivers/spi/spi-geni-qcom.c
@@ -666,6 +666,7 @@  static int spi_geni_probe(struct platform_device *pdev)
 	void __iomem *base;
 	struct clk *clk;
 	struct device *dev = &pdev->dev;
+	struct opp_table *opp_table;
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
@@ -691,14 +692,15 @@  static int spi_geni_probe(struct platform_device *pdev)
 	mas->se.wrapper = dev_get_drvdata(dev->parent);
 	mas->se.base = base;
 	mas->se.clk = clk;
-	mas->se.opp_table = dev_pm_opp_set_clkname(&pdev->dev, "se");
-	if (IS_ERR(mas->se.opp_table))
-		return PTR_ERR(mas->se.opp_table);
+
+	opp_table = devm_pm_opp_set_clkname(&pdev->dev, "se");
+	if (IS_ERR(opp_table))
+		return PTR_ERR(opp_table);
 	/* OPP table is optional */
-	ret = dev_pm_opp_of_add_table(&pdev->dev);
+	ret = devm_pm_opp_of_add_table(&pdev->dev);
 	if (ret && ret != -ENODEV) {
 		dev_err(&pdev->dev, "invalid OPP table in device tree\n");
-		goto put_clkname;
+		return ret;
 	}
 
 	spi->bus_num = -1;
@@ -750,9 +752,6 @@  static int spi_geni_probe(struct platform_device *pdev)
 	free_irq(mas->irq, spi);
 spi_geni_probe_runtime_disable:
 	pm_runtime_disable(dev);
-	dev_pm_opp_of_remove_table(&pdev->dev);
-put_clkname:
-	dev_pm_opp_put_clkname(mas->se.opp_table);
 	return ret;
 }
 
@@ -766,8 +765,6 @@  static int spi_geni_remove(struct platform_device *pdev)
 
 	free_irq(mas->irq, spi);
 	pm_runtime_disable(&pdev->dev);
-	dev_pm_opp_of_remove_table(&pdev->dev);
-	dev_pm_opp_put_clkname(mas->se.opp_table);
 	return 0;
 }
 
diff --git a/include/linux/qcom-geni-se.h b/include/linux/qcom-geni-se.h
index ec2ad4b0fe14..cddef864a760 100644
--- a/include/linux/qcom-geni-se.h
+++ b/include/linux/qcom-geni-se.h
@@ -47,7 +47,6 @@  struct geni_icc_path {
  * @num_clk_levels:	Number of valid clock levels in clk_perf_tbl
  * @clk_perf_tbl:	Table of clock frequency input to serial engine clock
  * @icc_paths:		Array of ICC paths for SE
- * @opp_table:		Pointer to the OPP table
  */
 struct geni_se {
 	void __iomem *base;
@@ -57,7 +56,6 @@  struct geni_se {
 	unsigned int num_clk_levels;
 	unsigned long *clk_perf_tbl;
 	struct geni_icc_path icc_paths[3];
-	struct opp_table *opp_table;
 };
 
 /* Common SE registers */