omap: Use ioremap in omap_hwmod.c

Use ioremap in omap_hwmod.c

Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index d2e0f1c..8ac8798 100644 (file)
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -496,6 +496,7 @@ static void __iomem *_find_mpu_rt_base(struct omap_hwmod *oh, u8 index)
        struct omap_hwmod_addr_space *mem;
        int i;
        int found = 0;
+       void __iomem *va_start;
 
        if (!oh || oh->slaves_cnt == 0)
                return NULL;
@@ -509,16 +510,20 @@ static void __iomem *_find_mpu_rt_base(struct omap_hwmod *oh, u8 index)
                }
        }
 
-       /* XXX use ioremap() instead? */
-
-       if (found)
+       if (found) {
+               va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
+               if (!va_start) {
+                       pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name);
+                       return NULL;
+               }
                pr_debug("omap_hwmod: %s: MPU register target at va %p\n",
-                        oh->name, OMAP2_IO_ADDRESS(mem->pa_start));
-       else
+                        oh->name, va_start);
+       } else {
                pr_debug("omap_hwmod: %s: no MPU register target found\n",
                         oh->name);
+       }
 
-       return (found) ? OMAP2_IO_ADDRESS(mem->pa_start) : NULL;
+       return (found) ? va_start : NULL;
 }
 
 /**
@@ -1148,6 +1153,7 @@ int omap_hwmod_unregister(struct omap_hwmod *oh)
        pr_debug("omap_hwmod: %s: unregistering\n", oh->name);
 
        mutex_lock(&omap_hwmod_mutex);
+       iounmap(oh->_rt_va);
        list_del(&oh->node);
        mutex_unlock(&omap_hwmod_mutex);