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path: root/drivers/spi/omap2_mcspi.c
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Diffstat (limited to 'drivers/spi/omap2_mcspi.c')
-rw-r--r--drivers/spi/omap2_mcspi.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 576ae29c39d8..454a2712e629 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -1009,7 +1009,12 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
}
mcspi->phys = r->start;
- mcspi->base = (void __iomem *) io_p2v(r->start);
+ mcspi->base = ioremap(r->start, r->end - r->start + 1);
+ if (!mcspi->base) {
+ dev_dbg(&pdev->dev, "can't ioremap MCSPI\n");
+ status = -ENOMEM;
+ goto err1aa;
+ }
INIT_WORK(&mcspi->work, omap2_mcspi_work);
@@ -1059,6 +1064,8 @@ err3:
err2:
clk_put(mcspi->ick);
err1a:
+ iounmap(mcspi->base);
+err1aa:
release_mem_region(r->start, (r->end - r->start) + 1);
err1:
spi_master_put(master);
@@ -1071,6 +1078,7 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
struct omap2_mcspi *mcspi;
struct omap2_mcspi_dma *dma_channels;
struct resource *r;
+ void __iomem *base;
master = dev_get_drvdata(&pdev->dev);
mcspi = spi_master_get_devdata(master);
@@ -1082,7 +1090,9 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(r->start, (r->end - r->start) + 1);
+ base = mcspi->base;
spi_unregister_master(master);
+ iounmap(base);
kfree(dma_channels);
return 0;