diff options
Diffstat (limited to 'arch/arm/plat-omap/dmtimer.c')
-rw-r--r-- | arch/arm/plat-omap/dmtimer.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index bfd47570cc91..55bb99631292 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[] = { | |||
238 | { .phys_base = 0x49040000, .irq = INT_24XX_GPTIMER9 }, | 238 | { .phys_base = 0x49040000, .irq = INT_24XX_GPTIMER9 }, |
239 | { .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 }, | 239 | { .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 }, |
240 | { .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 }, | 240 | { .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 }, |
241 | { .phys_base = 0x48304000, .irq = INT_24XX_GPTIMER12 }, | 241 | { .phys_base = 0x48304000, .irq = INT_34XX_GPT12_IRQ }, |
242 | }; | 242 | }; |
243 | 243 | ||
244 | static const char *omap3_dm_source_names[] __initdata = { | 244 | static const char *omap3_dm_source_names[] __initdata = { |
@@ -321,11 +321,9 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer) | |||
321 | l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */ | 321 | l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */ |
322 | 322 | ||
323 | /* | 323 | /* |
324 | * Enable wake-up only for GPT1 on OMAP2 CPUs. | 324 | * Enable wake-up on OMAP2 CPUs. |
325 | * FIXME: All timers should have wake-up enabled and clear | ||
326 | * PRCM status. | ||
327 | */ | 325 | */ |
328 | if (cpu_class_is_omap2() && (timer == &dm_timers[0])) | 326 | if (cpu_class_is_omap2()) |
329 | l |= 1 << 2; | 327 | l |= 1 << 2; |
330 | omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l); | 328 | omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l); |
331 | 329 | ||
@@ -511,7 +509,7 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_stop); | |||
511 | 509 | ||
512 | #ifdef CONFIG_ARCH_OMAP1 | 510 | #ifdef CONFIG_ARCH_OMAP1 |
513 | 511 | ||
514 | void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) | 512 | int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) |
515 | { | 513 | { |
516 | int n = (timer - dm_timers) << 1; | 514 | int n = (timer - dm_timers) << 1; |
517 | u32 l; | 515 | u32 l; |
@@ -519,23 +517,31 @@ void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) | |||
519 | l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n); | 517 | l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n); |
520 | l |= source << n; | 518 | l |= source << n; |
521 | omap_writel(l, MOD_CONF_CTRL_1); | 519 | omap_writel(l, MOD_CONF_CTRL_1); |
520 | |||
521 | return 0; | ||
522 | } | 522 | } |
523 | EXPORT_SYMBOL_GPL(omap_dm_timer_set_source); | 523 | EXPORT_SYMBOL_GPL(omap_dm_timer_set_source); |
524 | 524 | ||
525 | #else | 525 | #else |
526 | 526 | ||
527 | void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) | 527 | int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) |
528 | { | 528 | { |
529 | int ret = -EINVAL; | ||
530 | |||
529 | if (source < 0 || source >= 3) | 531 | if (source < 0 || source >= 3) |
530 | return; | 532 | return -EINVAL; |
531 | 533 | ||
532 | clk_disable(timer->fclk); | 534 | clk_disable(timer->fclk); |
533 | clk_set_parent(timer->fclk, dm_source_clocks[source]); | 535 | ret = clk_set_parent(timer->fclk, dm_source_clocks[source]); |
534 | clk_enable(timer->fclk); | 536 | clk_enable(timer->fclk); |
535 | 537 | ||
536 | /* When the functional clock disappears, too quick writes seem to | 538 | /* |
537 | * cause an abort. */ | 539 | * When the functional clock disappears, too quick writes seem |
540 | * to cause an abort. XXX Is this still necessary? | ||
541 | */ | ||
538 | __delay(150000); | 542 | __delay(150000); |
543 | |||
544 | return ret; | ||
539 | } | 545 | } |
540 | EXPORT_SYMBOL_GPL(omap_dm_timer_set_source); | 546 | EXPORT_SYMBOL_GPL(omap_dm_timer_set_source); |
541 | 547 | ||