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authorLinus Torvalds <torvalds@linux-foundation.org>2009-05-02 16:40:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-05-02 16:40:20 -0700
commit2142babac999a5ba169348892a8e3ac222bec7a4 (patch)
treeeb862396a9864b34e2335b7cc0c6114c56f9ec1a /arch/arm/plat-omap/dmtimer.c
parentbb402c4fb5bba4edf5b8c72b3db8760e60df4876 (diff)
parent0516e4643cd22fc9f535aef02ad1de66c382c93b (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (45 commits) [ARM] 5489/1: ARM errata: Data written to the L2 cache can be overwritten with stale data [ARM] 5490/1: ARM errata: Processor deadlock when a false hazard is created [ARM] 5487/1: ARM errata: Stale prediction on replaced interworking branch [ARM] 5488/1: ARM errata: Invalidation of the Instruction Cache operation can fail davinci: DM644x: NAND: update partitioning davinci: update DM644x support in preparation for more SoCs davinci: DM644x: rename board file davinci: update pin-multiplexing support davinci: serial: generalize for more SoCs davinci: DM355 IRQ Definitions davinci: DM646x: add interrupt number and priorities davinci: PSC: Clear bits in MDCTL reg before setting new bits davinci: gpio bugfixes davinci: add EDMA driver davinci: timers: use clk_get_rate() [ARM] pxa/littleton: add missing da9034 touchscreen support [ARM] pxa/zylonite: configure GPIO18/19 correctly, used by 2 GPIO expanders [ARM] pxa/zylonite: fix the issue of unused SDATA_IN_1 pin get AC97 not working [ARM] pxa: make ads7846 on corgi and spitz to sync on HSYNC [ARM] pxa: remove unused CPU_FREQ_PXA Kconfig symbol ...
Diffstat (limited to 'arch/arm/plat-omap/dmtimer.c')
-rw-r--r--arch/arm/plat-omap/dmtimer.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index bfd47570cc9..55bb9963129 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -238,7 +238,7 @@ static struct omap_dm_timer omap3_dm_timers[] = {
{ .phys_base = 0x49040000, .irq = INT_24XX_GPTIMER9 },
{ .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 },
{ .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 },
- { .phys_base = 0x48304000, .irq = INT_24XX_GPTIMER12 },
+ { .phys_base = 0x48304000, .irq = INT_34XX_GPT12_IRQ },
};
static const char *omap3_dm_source_names[] __initdata = {
@@ -321,11 +321,9 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer)
l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */
/*
- * Enable wake-up only for GPT1 on OMAP2 CPUs.
- * FIXME: All timers should have wake-up enabled and clear
- * PRCM status.
+ * Enable wake-up on OMAP2 CPUs.
*/
- if (cpu_class_is_omap2() && (timer == &dm_timers[0]))
+ if (cpu_class_is_omap2())
l |= 1 << 2;
omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l);
@@ -511,7 +509,7 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
#ifdef CONFIG_ARCH_OMAP1
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
{
int n = (timer - dm_timers) << 1;
u32 l;
@@ -519,23 +517,31 @@ void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n);
l |= source << n;
omap_writel(l, MOD_CONF_CTRL_1);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
#else
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
{
+ int ret = -EINVAL;
+
if (source < 0 || source >= 3)
- return;
+ return -EINVAL;
clk_disable(timer->fclk);
- clk_set_parent(timer->fclk, dm_source_clocks[source]);
+ ret = clk_set_parent(timer->fclk, dm_source_clocks[source]);
clk_enable(timer->fclk);
- /* When the functional clock disappears, too quick writes seem to
- * cause an abort. */
+ /*
+ * When the functional clock disappears, too quick writes seem
+ * to cause an abort. XXX Is this still necessary?
+ */
__delay(150000);
+
+ return ret;
}
EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);