Use devm_* functions for managing devres resources. Also use local espi_irq and remove irq variable from struct ep93xx_spi.
Cc: mika.westerb...@iki.fi Cc: grant.lik...@secretlab.ca Signed-off-by: Hannu Heikkinen <hann...@iki.fi> --- drivers/spi/spi-ep93xx.c | 36 ++++++++++-------------------------- 1 file changed, 10 insertions(+), 26 deletions(-) diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c index 6db2887..2c5fb81 100644 --- a/drivers/spi/spi-ep93xx.c +++ b/drivers/spi/spi-ep93xx.c @@ -114,7 +114,6 @@ struct ep93xx_spi { struct clk *clk; void __iomem *regs_base; unsigned long sspdr_phys; - int irq; unsigned long min_rate; unsigned long max_rate; bool running; @@ -1035,6 +1034,7 @@ static int __devinit ep93xx_spi_probe(struct platform_device *pdev) struct ep93xx_spi_info *info; struct ep93xx_spi *espi; struct resource *res; + int espi_irq; int error; info = pdev->dev.platform_data; @@ -1074,8 +1074,8 @@ static int __devinit ep93xx_spi_probe(struct platform_device *pdev) espi->min_rate = clk_get_rate(espi->clk) / (254 * 256); espi->pdev = pdev; - espi->irq = platform_get_irq(pdev, 0); - if (espi->irq < 0) { + espi_irq = platform_get_irq(pdev, 0); + if (espi_irq < 0) { error = -EBUSY; dev_err(&pdev->dev, "failed to get irq resources\n"); goto fail_put_clock; @@ -1088,26 +1088,20 @@ static int __devinit ep93xx_spi_probe(struct platform_device *pdev) goto fail_put_clock; } - res = request_mem_region(res->start, resource_size(res), pdev->name); - if (!res) { - dev_err(&pdev->dev, "unable to request iomem resources\n"); - error = -EBUSY; - goto fail_put_clock; - } - espi->sspdr_phys = res->start + SSPDR; - espi->regs_base = ioremap(res->start, resource_size(res)); + + espi->regs_base = devm_request_and_ioremap(&pdev->dev, res); if (!espi->regs_base) { dev_err(&pdev->dev, "failed to map resources\n"); error = -ENODEV; - goto fail_free_mem; + goto fail_put_clock; } - error = request_irq(espi->irq, ep93xx_spi_interrupt, 0, - "ep93xx-spi", espi); + error = devm_request_irq(&pdev->dev, espi_irq, ep93xx_spi_interrupt, 0, + "ep93xx-spi", espi); if (error) { dev_err(&pdev->dev, "failed to request irq\n"); - goto fail_unmap_regs; + goto fail_put_clock; } if (info->use_dma && ep93xx_spi_setup_dma(espi)) @@ -1132,7 +1126,7 @@ static int __devinit ep93xx_spi_probe(struct platform_device *pdev) } dev_info(&pdev->dev, "EP93xx SPI Controller at 0x%08lx irq %d\n", - (unsigned long)res->start, espi->irq); + (unsigned long)res->start, espi_irq); return 0; @@ -1140,11 +1134,6 @@ fail_free_queue: destroy_workqueue(espi->wq); fail_free_dma: ep93xx_spi_release_dma(espi); - free_irq(espi->irq, espi); -fail_unmap_regs: - iounmap(espi->regs_base); -fail_free_mem: - release_mem_region(res->start, resource_size(res)); fail_put_clock: clk_put(espi->clk); fail_release_master: @@ -1158,7 +1147,6 @@ static int __devexit ep93xx_spi_remove(struct platform_device *pdev) { struct spi_master *master = platform_get_drvdata(pdev); struct ep93xx_spi *espi = spi_master_get_devdata(master); - struct resource *res; spin_lock_irq(&espi->lock); espi->running = false; @@ -1184,10 +1172,6 @@ static int __devexit ep93xx_spi_remove(struct platform_device *pdev) spin_unlock_irq(&espi->lock); ep93xx_spi_release_dma(espi); - free_irq(espi->irq, espi); - iounmap(espi->regs_base); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, resource_size(res)); clk_put(espi->clk); platform_set_drvdata(pdev, NULL); -- 1.7.9.5 ------------------------------------------------------------------------------ Better than sec? Nothing is better than sec when it comes to monitoring Big Data applications. Try Boundary one-second resolution app monitoring today. Free. http://p.sf.net/sfu/Boundary-dev2dev _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general