]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
spi: sprd: switch to managed controller allocation
authorJohan Hovold <johan@kernel.org>
Tue, 5 May 2026 07:28:59 +0000 (09:28 +0200)
committerMark Brown <broonie@kernel.org>
Mon, 11 May 2026 00:55:46 +0000 (09:55 +0900)
Switch to device managed controller allocation to simplify error
handling and to avoid having to take another reference during
deregistration.

Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260505072909.618363-11-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-sprd.c

index fd3fd0ce122c93c483bb35780da8a4ef1f37d21b..d27b51698dbd7bb8e4eb386edb844a65f619f245 100644 (file)
@@ -923,16 +923,14 @@ static int sprd_spi_probe(struct platform_device *pdev)
        int ret;
 
        pdev->id = of_alias_get_id(pdev->dev.of_node, "spi");
-       sctlr = spi_alloc_host(&pdev->dev, sizeof(*ss));
+       sctlr = devm_spi_alloc_host(&pdev->dev, sizeof(*ss));
        if (!sctlr)
                return -ENOMEM;
 
        ss = spi_controller_get_devdata(sctlr);
        ss->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
-       if (IS_ERR(ss->base)) {
-               ret = PTR_ERR(ss->base);
-               goto free_controller;
-       }
+       if (IS_ERR(ss->base))
+               return PTR_ERR(ss->base);
 
        ss->phy_base = res->start;
        ss->dev = &pdev->dev;
@@ -949,15 +947,15 @@ static int sprd_spi_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, sctlr);
        ret = sprd_spi_clk_init(pdev, ss);
        if (ret)
-               goto free_controller;
+               return ret;
 
        ret = sprd_spi_irq_init(pdev, ss);
        if (ret)
-               goto free_controller;
+               return ret;
 
        ret = sprd_spi_dma_init(pdev, ss);
        if (ret)
-               goto free_controller;
+               return ret;
 
        ret = clk_prepare_enable(ss->clk);
        if (ret)
@@ -992,8 +990,6 @@ disable_clk:
        clk_disable_unprepare(ss->clk);
 release_dma:
        sprd_spi_dma_release(ss);
-free_controller:
-       spi_controller_put(sctlr);
 
        return ret;
 }
@@ -1008,8 +1004,6 @@ static void sprd_spi_remove(struct platform_device *pdev)
        if (ret < 0)
                dev_err(ss->dev, "failed to resume SPI controller\n");
 
-       spi_controller_get(sctlr);
-
        spi_unregister_controller(sctlr);
 
        if (ret >= 0) {
@@ -1019,8 +1013,6 @@ static void sprd_spi_remove(struct platform_device *pdev)
        }
        pm_runtime_put_noidle(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
-
-       spi_controller_put(sctlr);
 }
 
 static int __maybe_unused sprd_spi_runtime_suspend(struct device *dev)