[PATCH 06/14] omap: Use ioremap in omap_hwmod.c

Tony Lindgren
2009-10-16T23:41:12Z

Use ioremap in omap_hwmod.c

Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/omap_hwmod.c | 18 ++++++++++++------
1 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index d2e0f1c..8ac8798 100644
--- 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);