diff options
author | Jingoo Han <jg1.han@samsung.com> | 2013-01-10 11:04:21 +0900 |
---|---|---|
committer | Grant Likely <grant.likely@secretlab.ca> | 2013-02-05 13:19:43 +0000 |
commit | 4eb770067f3ad616d5cc37be4c58eb918fce5062 (patch) | |
tree | c8ac337e24d2c6716cf53985ba932dc9b9517c19 /drivers/spi/spi-s3c64xx.c | |
parent | 3133fba3bb3a37cc3d589cb8435e0c0976fb75cd (diff) | |
download | op-kernel-dev-4eb770067f3ad616d5cc37be4c58eb918fce5062.zip op-kernel-dev-4eb770067f3ad616d5cc37be4c58eb918fce5062.tar.gz |
spi/s3c64xx: Use devm_clk_get() and devm_request_irq()
Use devm_clk_get() and devm_request_irq() rather than clk_get() and
request_irq() to make cleanup paths more simple.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/spi/spi-s3c64xx.c')
-rw-r--r-- | drivers/spi/spi-s3c64xx.c | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index a82bfa4..1f2f7f8 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1282,7 +1282,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) if (sdd->regs == NULL) { dev_err(&pdev->dev, "Unable to remap IO\n"); ret = -ENXIO; - goto err1; + goto err0; } if (!sci->cfg_gpio && pdev->dev.of_node) { @@ -1291,36 +1291,36 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) } else if (sci->cfg_gpio == NULL || sci->cfg_gpio()) { dev_err(&pdev->dev, "Unable to config gpio\n"); ret = -EBUSY; - goto err2; + goto err0; } /* Setup clocks */ - sdd->clk = clk_get(&pdev->dev, "spi"); + sdd->clk = devm_clk_get(&pdev->dev, "spi"); if (IS_ERR(sdd->clk)) { dev_err(&pdev->dev, "Unable to acquire clock 'spi'\n"); ret = PTR_ERR(sdd->clk); - goto err3; + goto err1; } if (clk_prepare_enable(sdd->clk)) { dev_err(&pdev->dev, "Couldn't enable clock 'spi'\n"); ret = -EBUSY; - goto err4; + goto err1; } sprintf(clk_name, "spi_busclk%d", sci->src_clk_nr); - sdd->src_clk = clk_get(&pdev->dev, clk_name); + sdd->src_clk = devm_clk_get(&pdev->dev, clk_name); if (IS_ERR(sdd->src_clk)) { dev_err(&pdev->dev, "Unable to acquire clock '%s'\n", clk_name); ret = PTR_ERR(sdd->src_clk); - goto err5; + goto err2; } if (clk_prepare_enable(sdd->src_clk)) { dev_err(&pdev->dev, "Couldn't enable clock '%s'\n", clk_name); ret = -EBUSY; - goto err6; + goto err2; } /* Setup Deufult Mode */ @@ -1330,11 +1330,12 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) init_completion(&sdd->xfer_completion); INIT_LIST_HEAD(&sdd->queue); - ret = request_irq(irq, s3c64xx_spi_irq, 0, "spi-s3c64xx", sdd); + ret = devm_request_irq(&pdev->dev, irq, s3c64xx_spi_irq, 0, + "spi-s3c64xx", sdd); if (ret != 0) { dev_err(&pdev->dev, "Failed to request IRQ %d: %d\n", irq, ret); - goto err7; + goto err3; } writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN | @@ -1344,7 +1345,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) if (spi_register_master(master)) { dev_err(&pdev->dev, "cannot register SPI master\n"); ret = -EBUSY; - goto err8; + goto err3; } dev_dbg(&pdev->dev, "Samsung SoC SPI Driver loaded for Bus SPI-%d " @@ -1358,21 +1359,13 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) return 0; -err8: - free_irq(irq, sdd); -err7: +err3: clk_disable_unprepare(sdd->src_clk); -err6: - clk_put(sdd->src_clk); -err5: +err2: clk_disable_unprepare(sdd->clk); -err4: - clk_put(sdd->clk); -err3: +err1: if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node) s3c64xx_spi_dt_gpio_free(sdd); -err2: -err1: err0: platform_set_drvdata(pdev, NULL); spi_master_put(master); @@ -1391,13 +1384,9 @@ static int s3c64xx_spi_remove(struct platform_device *pdev) writel(0, sdd->regs + S3C64XX_SPI_INT_EN); - free_irq(platform_get_irq(pdev, 0), sdd); - clk_disable_unprepare(sdd->src_clk); - clk_put(sdd->src_clk); clk_disable_unprepare(sdd->clk); - clk_put(sdd->clk); if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node) s3c64xx_spi_dt_gpio_free(sdd); |