spi: s3c64xx: rename goto labels to meaningful names
authorAndi Shyti <andi.shyti@samsung.com>
Tue, 12 Jul 2016 10:02:12 +0000 (19:02 +0900)
committerMark Brown <broonie@kernel.org>
Thu, 14 Jul 2016 16:28:31 +0000 (17:28 +0100)
The goto labels of the style of

  err4:
  err3:
  err2:
  err1:

are complex to insert in between new errors without renaming all
the goto statements. Replace the errX naming style to meaningful
names in order to make it easier to insert new goto exit points.

Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-s3c64xx.c

index 001c9ebf884dd6c9f48b35b4e0456baf28471372..0a93eb98c2b6231436e11d123b8d2c6ad86ddf5d 100644 (file)
@@ -1078,7 +1078,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
                if (ret < 0) {
                        dev_err(&pdev->dev, "failed to get alias id, errno %d\n",
                                ret);
-                       goto err0;
+                       goto err_deref_master;
                }
                sdd->port_id = ret;
        } else {
@@ -1116,13 +1116,13 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
        sdd->regs = devm_ioremap_resource(&pdev->dev, mem_res);
        if (IS_ERR(sdd->regs)) {
                ret = PTR_ERR(sdd->regs);
-               goto err0;
+               goto err_deref_master;
        }
 
        if (sci->cfg_gpio && sci->cfg_gpio()) {
                dev_err(&pdev->dev, "Unable to config gpio\n");
                ret = -EBUSY;
-               goto err0;
+               goto err_deref_master;
        }
 
        /* Setup clocks */
@@ -1130,13 +1130,13 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
        if (IS_ERR(sdd->clk)) {
                dev_err(&pdev->dev, "Unable to acquire clock 'spi'\n");
                ret = PTR_ERR(sdd->clk);
-               goto err0;
+               goto err_deref_master;
        }
 
        if (clk_prepare_enable(sdd->clk)) {
                dev_err(&pdev->dev, "Couldn't enable clock 'spi'\n");
                ret = -EBUSY;
-               goto err0;
+               goto err_deref_master;
        }
 
        sprintf(clk_name, "spi_busclk%d", sci->src_clk_nr);
@@ -1145,13 +1145,13 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
                dev_err(&pdev->dev,
                        "Unable to acquire clock '%s'\n", clk_name);
                ret = PTR_ERR(sdd->src_clk);
-               goto err2;
+               goto err_disable_clk;
        }
 
        if (clk_prepare_enable(sdd->src_clk)) {
                dev_err(&pdev->dev, "Couldn't enable clock '%s'\n", clk_name);
                ret = -EBUSY;
-               goto err2;
+               goto err_disable_clk;
        }
 
        pm_runtime_set_autosuspend_delay(&pdev->dev, AUTOSUSPEND_TIMEOUT);
@@ -1171,7 +1171,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
        if (ret != 0) {
                dev_err(&pdev->dev, "Failed to request IRQ %d: %d\n",
                        irq, ret);
-               goto err3;
+               goto err_pm_put;
        }
 
        writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN |
@@ -1181,7 +1181,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
        ret = devm_spi_register_master(&pdev->dev, master);
        if (ret != 0) {
                dev_err(&pdev->dev, "cannot register SPI master: %d\n", ret);
-               goto err3;
+               goto err_pm_put;
        }
 
        dev_dbg(&pdev->dev, "Samsung SoC SPI Driver loaded for Bus SPI-%d with %d Slaves attached\n",
@@ -1195,15 +1195,15 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
 
        return 0;
 
-err3:
+err_pm_put:
        pm_runtime_put_noidle(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
        pm_runtime_set_suspended(&pdev->dev);
 
        clk_disable_unprepare(sdd->src_clk);
-err2:
+err_disable_clk:
        clk_disable_unprepare(sdd->clk);
-err0:
+err_deref_master:
        spi_master_put(master);
 
        return ret;