From b4dd05de3d6fb93724b27921689fb3e95ba71845 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 28 Nov 2013 02:39:42 +0100 Subject: spi: sh-msiof: Use devm_* managed allocators This simplifies error and cleanup code paths. Signed-off-by: Laurent Pinchart Signed-off-by: Mark Brown --- drivers/spi/spi-sh-msiof.c | 37 ++++++++++++++----------------------- 1 file changed, 14 insertions(+), 23 deletions(-) (limited to 'drivers/spi/spi-sh-msiof.c') diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 86f822a656ef..7f2bb8572e5c 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -635,8 +635,7 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) master = spi_alloc_master(&pdev->dev, sizeof(struct sh_msiof_spi_priv)); if (master == NULL) { dev_err(&pdev->dev, "failed to allocate spi master\n"); - ret = -ENOMEM; - goto err0; + return -ENOMEM; } p = spi_master_get_devdata(master); @@ -655,32 +654,32 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) init_completion(&p->done); - p->clk = clk_get(&pdev->dev, NULL); + p->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(p->clk)) { dev_err(&pdev->dev, "cannot get clock\n"); ret = PTR_ERR(p->clk); goto err1; } - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); i = platform_get_irq(pdev, 0); - if (!r || i < 0) { - dev_err(&pdev->dev, "cannot get platform resources\n"); + if (i < 0) { + dev_err(&pdev->dev, "cannot get platform IRQ\n"); ret = -ENOENT; - goto err2; + goto err1; } - p->mapbase = ioremap_nocache(r->start, resource_size(r)); - if (!p->mapbase) { - dev_err(&pdev->dev, "unable to ioremap\n"); - ret = -ENXIO; - goto err2; + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + p->mapbase = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(p->mapbase)) { + ret = PTR_ERR(p->mapbase); + goto err1; } - ret = request_irq(i, sh_msiof_spi_irq, 0, - dev_name(&pdev->dev), p); + ret = devm_request_irq(&pdev->dev, i, sh_msiof_spi_irq, 0, + dev_name(&pdev->dev), p); if (ret) { dev_err(&pdev->dev, "unable to request irq\n"); - goto err3; + goto err1; } p->pdev = pdev; @@ -719,13 +718,8 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) return 0; pm_runtime_disable(&pdev->dev); - err3: - iounmap(p->mapbase); - err2: - clk_put(p->clk); err1: spi_master_put(master); - err0: return ret; } @@ -737,9 +731,6 @@ static int sh_msiof_spi_remove(struct platform_device *pdev) ret = spi_bitbang_stop(&p->bitbang); if (!ret) { pm_runtime_disable(&pdev->dev); - free_irq(platform_get_irq(pdev, 0), p); - iounmap(p->mapbase); - clk_put(p->clk); spi_master_put(p->bitbang.master); } return ret; -- cgit v1.2.3