From a30eeee14cfdb467be146707af4196094cafe184 Mon Sep 17 00:00:00 2001 From: Thomas Abraham Date: Mon, 17 Sep 2012 18:16:36 +0000 Subject: [PATCH] mmc: dw_mmc: Use devm_* functions in dw_mmc platform driver Use devm_* managed functions for simpler error handling. Signed-off-by: Thomas Abraham Acked-by: Will Newton Signed-off-by: Chris Ball --- drivers/mmc/host/dw_mmc-pltfm.c | 29 ++++++++--------------------- 1 file changed, 8 insertions(+), 21 deletions(-) diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c index 528d37b93651..ce7be1ac6621 100644 --- a/drivers/mmc/host/dw_mmc-pltfm.c +++ b/drivers/mmc/host/dw_mmc-pltfm.c @@ -27,38 +27,27 @@ static int __devinit dw_mci_pltfm_probe(struct platform_device *pdev) struct resource *regs; int ret; - host = kzalloc(sizeof(struct dw_mci), GFP_KERNEL); + host = devm_kzalloc(&pdev->dev, sizeof(struct dw_mci), GFP_KERNEL); if (!host) return -ENOMEM; regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!regs) { - ret = -ENXIO; - goto err_free; - } + if (!regs) + return -ENXIO; host->irq = platform_get_irq(pdev, 0); - if (host->irq < 0) { - ret = host->irq; - goto err_free; - } + if (host->irq < 0) + return host->irq; host->dev = &pdev->dev; host->irq_flags = 0; host->pdata = pdev->dev.platform_data; - ret = -ENOMEM; - host->regs = ioremap(regs->start, resource_size(regs)); + host->regs = devm_request_and_ioremap(&pdev->dev, regs); if (!host->regs) - goto err_free; + return -ENOMEM; + platform_set_drvdata(pdev, host); ret = dw_mci_probe(host); - if (ret) - goto err_out; - return ret; -err_out: - iounmap(host->regs); -err_free: - kfree(host); return ret; } @@ -68,8 +57,6 @@ static int __devexit dw_mci_pltfm_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); dw_mci_remove(host); - iounmap(host->regs); - kfree(host); return 0; } -- 2.39.5