ARM: OMAP2+: timer: use a proper interface to get hwmod data

arch/arm/mach-omap2/timer.c pokes around inside the hwmod data
structures.  Since the hwmod data structures are about to change, this
code will break.  This patch modifies the timer code to use
recently-added hwmod functions instead.

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

1 files changed, 12 insertions, 3 deletions

diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index c512bac69ec5..ecec873e78cd 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -145,8 +145,10 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
 {
         char name[10]; /* 10 = sizeof("gptXX_Xck0") */
         struct omap_hwmod *oh;
+        struct resource irq_rsrc, mem_rsrc;
         size_t size;
         int res = 0;
+        int r;
 
         sprintf(name, "timer%d", gptimer_id);
         omap_hwmod_setup_one(name);
@@ -154,9 +156,16 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
         if (!oh)
                 return -ENODEV;
 
-        timer->irq = oh->mpu_irqs[0].irq;
-        timer->phys_base = oh->slaves[0]->addr->pa_start;
-        size = oh->slaves[0]->addr->pa_end - timer->phys_base;
+        r = omap_hwmod_get_resource_byname(oh, IORESOURCE_IRQ, NULL, &irq_rsrc);
+        if (r)
+                return -ENXIO;
+        timer->irq = irq_rsrc.start;
+
+        r = omap_hwmod_get_resource_byname(oh, IORESOURCE_MEM, NULL, &mem_rsrc);
+        if (r)
+                return -ENXIO;
+        timer->phys_base = mem_rsrc.start;
+        size = mem_rsrc.end - mem_rsrc.start;
 
         /* Static mapping, never released */
         timer->io_base = ioremap(timer->phys_base, size);