From b0e8b3417a620e6e0a91fd526fbc6db78714198e Mon Sep 17 00:00:00 2001 From: LABBE Corentin Date: Mon, 12 Oct 2015 19:47:03 +0200 Subject: crypto: atmel - use devm_xxx() managed function Using the devm_xxx() managed function to stripdown the error and remove code. Signed-off-by: LABBE Corentin Signed-off-by: Herbert Xu --- drivers/crypto/atmel-aes.c | 38 +++++++++----------------------------- 1 file changed, 9 insertions(+), 29 deletions(-) (limited to 'drivers/crypto/atmel-aes.c') diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index de8f5da75a0f..fb16d812c8f5 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -1324,7 +1324,6 @@ static int atmel_aes_probe(struct platform_device *pdev) struct crypto_platform_data *pdata; struct device *dev = &pdev->dev; struct resource *aes_res; - unsigned long aes_phys_size; int err; pdata = pdev->dev.platform_data; @@ -1341,7 +1340,7 @@ static int atmel_aes_probe(struct platform_device *pdev) goto aes_dd_err; } - aes_dd = kzalloc(sizeof(struct atmel_aes_dev), GFP_KERNEL); + aes_dd = devm_kzalloc(&pdev->dev, sizeof(*aes_dd), GFP_KERNEL); if (aes_dd == NULL) { dev_err(dev, "unable to alloc data struct.\n"); err = -ENOMEM; @@ -1372,36 +1371,35 @@ static int atmel_aes_probe(struct platform_device *pdev) goto res_err; } aes_dd->phys_base = aes_res->start; - aes_phys_size = resource_size(aes_res); /* Get the IRQ */ aes_dd->irq = platform_get_irq(pdev, 0); if (aes_dd->irq < 0) { dev_err(dev, "no IRQ resource info\n"); err = aes_dd->irq; - goto aes_irq_err; + goto res_err; } - err = request_irq(aes_dd->irq, atmel_aes_irq, IRQF_SHARED, "atmel-aes", - aes_dd); + err = devm_request_irq(&pdev->dev, aes_dd->irq, atmel_aes_irq, + IRQF_SHARED, "atmel-aes", aes_dd); if (err) { dev_err(dev, "unable to request aes irq.\n"); - goto aes_irq_err; + goto res_err; } /* Initializing the clock */ - aes_dd->iclk = clk_get(&pdev->dev, "aes_clk"); + aes_dd->iclk = devm_clk_get(&pdev->dev, "aes_clk"); if (IS_ERR(aes_dd->iclk)) { dev_err(dev, "clock initialization failed.\n"); err = PTR_ERR(aes_dd->iclk); - goto clk_err; + goto res_err; } - aes_dd->io_base = ioremap(aes_dd->phys_base, aes_phys_size); + aes_dd->io_base = devm_ioremap_resource(&pdev->dev, aes_res); if (!aes_dd->io_base) { dev_err(dev, "can't ioremap\n"); err = -ENOMEM; - goto aes_io_err; + goto res_err; } atmel_aes_hw_version_init(aes_dd); @@ -1438,17 +1436,9 @@ err_algs: err_aes_dma: atmel_aes_buff_cleanup(aes_dd); err_aes_buff: - iounmap(aes_dd->io_base); -aes_io_err: - clk_put(aes_dd->iclk); -clk_err: - free_irq(aes_dd->irq, aes_dd); -aes_irq_err: res_err: tasklet_kill(&aes_dd->done_task); tasklet_kill(&aes_dd->queue_task); - kfree(aes_dd); - aes_dd = NULL; aes_dd_err: dev_err(dev, "initialization failed.\n"); @@ -1473,16 +1463,6 @@ static int atmel_aes_remove(struct platform_device *pdev) atmel_aes_dma_cleanup(aes_dd); - iounmap(aes_dd->io_base); - - clk_put(aes_dd->iclk); - - if (aes_dd->irq > 0) - free_irq(aes_dd->irq, aes_dd); - - kfree(aes_dd); - aes_dd = NULL; - return 0; } -- cgit v1.2.3