[PATCH 5/8] ARM: OMAP2+: timer: Use of_clk_get for DT platforms

Joel Fernandes
2014-04-23T01:29:51Z

For DT-booting platforms, use of_clk_get to get the fclk for system timers.
Separate out the legacy code for non-DT platform use.

Signed-off-by: Joel Fernandes <joelf@ti.com>
---
arch/arm/mach-omap2/timer.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index ea91ef9..4fcfd7a 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -277,6 +277,10 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
if (!timer->io_base)
return -ENXIO;

+ timer->fclk = of_clk_get(np, 0);
+ if (IS_ERR(timer->fclk))
+ return PTR_ERR(timer->fclk);
+
r = omap_dmtimer_powerup(np);
if (r)
return r;
@@ -308,14 +312,13 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer,
if (!timer->io_base)
return -ENXIO;

+ timer->fclk = clk_get(NULL, omap_hwmod_get_main_clk(oh));
+ if (IS_ERR(timer->fclk))
+ return PTR_ERR(timer->fclk);

omap_hwmod_setup_one(oh_name);
omap_hwmod_enable(oh);
}
- /* After the dmtimer is using hwmod these clocks won't be needed */
- timer->fclk = clk_get(NULL, omap_hwmod_get_main_clk(oh));
- if (IS_ERR(timer->fclk))
- return PTR_ERR(timer->fclk);

/*
* Clock reparenting code, goes away for DT-boot atleast,
--
1.7.9.5