[PATCH 04/14] omap: Use ioremap in dmtimer.c

Tony Lindgren
2009-10-16T23:40:49Z

Use ioremap in dmtimer.c

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/plat-omap/dmtimer.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index d325b54..e4e848e 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -742,16 +742,17 @@ EXPORT_SYMBOL_GPL(omap_dm_timers_active);
int __init omap_dm_timer_init(void)
{
struct omap_dm_timer *timer;
- int i;
+ int i, map_size = SZ_8K; /* Module 4KB + L4 4KB except on omap1 */

if (!(cpu_is_omap16xx() || cpu_class_is_omap2()))
return -ENODEV;

spin_lock_init(&dm_timer_lock);

- if (cpu_class_is_omap1())
+ if (cpu_class_is_omap1()) {
dm_timers = omap1_dm_timers;
- else if (cpu_is_omap24xx()) {
+ map_size = SZ_2K;
+ } else if (cpu_is_omap24xx()) {
dm_timers = omap2_dm_timers;
dm_source_names = omap2_dm_source_names;
dm_source_clocks = omap2_dm_source_clocks;
@@ -774,10 +775,11 @@ int __init omap_dm_timer_init(void)

for (i = 0; i < dm_timer_count; i++) {
timer = &dm_timers[i];
- if (cpu_class_is_omap1())
- timer->io_base = OMAP1_IO_ADDRESS(timer->phys_base);
- else
- timer->io_base = OMAP2_IO_ADDRESS(timer->phys_base);
+
+ /* Static mapping, never released */
+ timer->io_base = ioremap(timer->phys_base, map_size);
+ BUG_ON(!timer->io_base);
+
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
defined(CONFIG_ARCH_OMAP4)
if (cpu_class_is_omap2()) {