[ARM] omap: convert OMAP drivers to use ioremap()

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 30 insertions, 5 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;
diff --git a/drivers/spi/omap_uwire.c b/drivers/spi/omap_uwire.c
index 5515eb97d7c5..bab6ff061e91 100644
--- a/drivers/spi/omap_uwire.c
+++ b/drivers/spi/omap_uwire.c
@@ -59,7 +59,6 @@
  * and irqs should show there too...
  */
 #define UWIRE_BASE_PHYS         0xFFFB3000
-#define UWIRE_BASE              ((void *__iomem)IO_ADDRESS(UWIRE_BASE_PHYS))
 
 /* uWire Registers: */
 #define UWIRE_IO_SIZE 0x20
@@ -103,16 +102,21 @@ struct uwire_state {
 };
 
 /* REVISIT compile time constant for idx_shift? */
+/*
+ * Or, put it in a structure which is used throughout the driver;
+ * that avoids having to issue two loads for each bit of static data.
+ */
 static unsigned int uwire_idx_shift;
+static void __iomem *uwire_base;
 
 static inline void uwire_write_reg(int idx, u16 val)
 {
-        __raw_writew(val, UWIRE_BASE + (idx << uwire_idx_shift));
+        __raw_writew(val, uwire_base + (idx << uwire_idx_shift));
 }
 
 static inline u16 uwire_read_reg(int idx)
 {
-        return __raw_readw(UWIRE_BASE + (idx << uwire_idx_shift));
+        return __raw_readw(uwire_base + (idx << uwire_idx_shift));
 }
 
 static inline void omap_uwire_configure_mode(u8 cs, unsigned long flags)
@@ -492,6 +496,14 @@ static int __init uwire_probe(struct platform_device *pdev)
                 return -ENODEV;
 
         uwire = spi_master_get_devdata(master);
+
+        uwire_base = ioremap(UWIRE_BASE_PHYS, UWIRE_IO_SIZE);
+        if (!uwire_base) {
+                dev_dbg(&pdev->dev, "can't ioremap UWIRE\n");
+                spi_master_put(master);
+                return -ENOMEM;
+        }
+
         dev_set_drvdata(&pdev->dev, uwire);
 
         uwire->ck = clk_get(&pdev->dev, "armxor_ck");
@@ -520,8 +532,10 @@ static int __init uwire_probe(struct platform_device *pdev)
         uwire->bitbang.txrx_bufs = uwire_txrx;
 
         status = spi_bitbang_start(&uwire->bitbang);
-        if (status < 0)
+        if (status < 0) {
                 uwire_off(uwire);
+                iounmap(uwire_base);
+        }
         return status;
 }
 
@@ -534,6 +548,7 @@ static int __exit uwire_remove(struct platform_device *pdev)
 
         status = spi_bitbang_stop(&uwire->bitbang);
         uwire_off(uwire);
+        iounmap(uwire_base);
         return status;
 }