diff options
| -rw-r--r-- | drivers/spi/spi-nuc900.c | 50 |
1 files changed, 10 insertions, 40 deletions
diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c index e0c32bc69ee2..43d340ca0730 100644 --- a/drivers/spi/spi-nuc900.c +++ b/drivers/spi/spi-nuc900.c @@ -57,7 +57,6 @@ struct nuc900_spi { const unsigned char *tx; unsigned char *rx; struct clk *clk; - struct resource *ioarea; struct spi_master *master; struct spi_device *curdev; struct device *dev; @@ -344,8 +343,7 @@ static int nuc900_spi_probe(struct platform_device *pdev) master = spi_alloc_master(&pdev->dev, sizeof(struct nuc900_spi)); if (master == NULL) { dev_err(&pdev->dev, "No memory for spi_master\n"); - err = -ENOMEM; - goto err_nomem; + return -ENOMEM; } hw = spi_master_get_devdata(master); @@ -376,40 +374,31 @@ static int nuc900_spi_probe(struct platform_device *pdev) goto err_pdata; } - hw->ioarea = request_mem_region(hw->res->start, - resource_size(hw->res), pdev->name); - - if (hw->ioarea == NULL) { - dev_err(&pdev->dev, "Cannot reserve region\n"); - err = -ENXIO; + hw->regs = devm_ioremap_resource(&pdev->dev, hw->res); + if (IS_ERR(hw->regs)) { + err = PTR_ERR(hw->regs); goto err_pdata; } - hw->regs = ioremap(hw->res->start, resource_size(hw->res)); - if (hw->regs == NULL) { - dev_err(&pdev->dev, "Cannot map IO\n"); - err = -ENXIO; - goto err_iomap; - } - hw->irq = platform_get_irq(pdev, 0); if (hw->irq < 0) { dev_err(&pdev->dev, "No IRQ specified\n"); err = -ENOENT; - goto err_irq; + goto err_pdata; } - err = request_irq(hw->irq, nuc900_spi_irq, 0, pdev->name, hw); + err = devm_request_irq(&pdev->dev, hw->irq, nuc900_spi_irq, 0, + pdev->name, hw); if (err) { dev_err(&pdev->dev, "Cannot claim IRQ\n"); - goto err_irq; + goto err_pdata; } - hw->clk = clk_get(&pdev->dev, "spi"); + hw->clk = devm_clk_get(&pdev->dev, "spi"); if (IS_ERR(hw->clk)) { dev_err(&pdev->dev, "No clock for device\n"); err = PTR_ERR(hw->clk); - goto err_clk; + goto err_pdata; } mfp_set_groupg(&pdev->dev, NULL); @@ -425,17 +414,8 @@ static int nuc900_spi_probe(struct platform_device *pdev) err_register: clk_disable(hw->clk); - clk_put(hw->clk); -err_clk: - free_irq(hw->irq, hw); -err_irq: - iounmap(hw->regs); -err_iomap: - release_mem_region(hw->res->start, resource_size(hw->res)); - kfree(hw->ioarea); err_pdata: spi_master_put(hw->master); -err_nomem: return err; } @@ -443,18 +423,8 @@ static int nuc900_spi_remove(struct platform_device *dev) { struct nuc900_spi *hw = platform_get_drvdata(dev); - free_irq(hw->irq, hw); - spi_bitbang_stop(&hw->bitbang); - clk_disable(hw->clk); - clk_put(hw->clk); - - iounmap(hw->regs); - - release_mem_region(hw->res->start, resource_size(hw->res)); - kfree(hw->ioarea); - spi_master_put(hw->master); return 0; } |