diff options
| -rw-r--r-- | drivers/spi/spi-davinci.c | 41 |
1 files changed, 11 insertions, 30 deletions
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index d3f638613b40..79d40c8b1cd0 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -853,7 +853,7 @@ static int davinci_spi_probe(struct platform_device *pdev) struct spi_master *master; struct davinci_spi *dspi; struct davinci_spi_platform_data *pdata; - struct resource *r, *mem; + struct resource *r; resource_size_t dma_rx_chan = SPI_NO_RESOURCE; resource_size_t dma_tx_chan = SPI_NO_RESOURCE; int i = 0, ret = 0; @@ -894,39 +894,33 @@ static int davinci_spi_probe(struct platform_device *pdev) dspi->pbase = r->start; - mem = request_mem_region(r->start, resource_size(r), pdev->name); - if (mem == NULL) { - ret = -EBUSY; + dspi->base = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(dspi->base)) { + ret = PTR_ERR(dspi->base); goto free_master; } - dspi->base = ioremap(r->start, resource_size(r)); - if (dspi->base == NULL) { - ret = -ENOMEM; - goto release_region; - } - dspi->irq = platform_get_irq(pdev, 0); if (dspi->irq <= 0) { ret = -EINVAL; - goto unmap_io; + goto free_master; } - ret = request_threaded_irq(dspi->irq, davinci_spi_irq, dummy_thread_fn, - 0, dev_name(&pdev->dev), dspi); + ret = devm_request_threaded_irq(&pdev->dev, dspi->irq, davinci_spi_irq, + dummy_thread_fn, 0, dev_name(&pdev->dev), dspi); if (ret) - goto unmap_io; + goto free_master; dspi->bitbang.master = master; if (dspi->bitbang.master == NULL) { ret = -ENODEV; - goto irq_free; + goto free_master; } - dspi->clk = clk_get(&pdev->dev, NULL); + dspi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(dspi->clk)) { ret = -ENODEV; - goto irq_free; + goto free_master; } clk_prepare_enable(dspi->clk); @@ -1015,13 +1009,6 @@ free_dma: dma_release_channel(dspi->dma_tx); free_clk: clk_disable_unprepare(dspi->clk); - clk_put(dspi->clk); -irq_free: - free_irq(dspi->irq, dspi); -unmap_io: - iounmap(dspi->base); -release_region: - release_mem_region(dspi->pbase, resource_size(r)); free_master: spi_master_put(master); err: @@ -1041,7 +1028,6 @@ static int davinci_spi_remove(struct platform_device *pdev) { struct davinci_spi *dspi; struct spi_master *master; - struct resource *r; master = platform_get_drvdata(pdev); dspi = spi_master_get_devdata(master); @@ -1049,11 +1035,6 @@ static int davinci_spi_remove(struct platform_device *pdev) spi_bitbang_stop(&dspi->bitbang); clk_disable_unprepare(dspi->clk); - clk_put(dspi->clk); - free_irq(dspi->irq, dspi); - iounmap(dspi->base); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(dspi->pbase, resource_size(r)); spi_master_put(master); return 0; |