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author | Paul Mundt <lethal@linux-sh.org> | 2010-07-05 15:46:08 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2010-07-05 15:46:08 +0900 |
commit | 285eba57db7bd7d7c3c5929fb8621fdcaaea1b00 (patch) | |
tree | a9e7f0563cef296b24c53b20dbb388ec5c210172 /drivers/clocksource/sh_tmu.c | |
parent | 1c14e6cecb1811543b1016f27e5d308fbea8c08a (diff) | |
parent | 815c4163b6c8ebf8152f42b0a5fd015cfdcedc78 (diff) | |
download | blackbird-op-linux-285eba57db7bd7d7c3c5929fb8621fdcaaea1b00.tar.gz blackbird-op-linux-285eba57db7bd7d7c3c5929fb8621fdcaaea1b00.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/linux/serial_sci.h
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/clocksource/sh_tmu.c')
-rw-r--r-- | drivers/clocksource/sh_tmu.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c index 8e44e14ec4c2..de715901b82a 100644 --- a/drivers/clocksource/sh_tmu.c +++ b/drivers/clocksource/sh_tmu.c @@ -199,16 +199,8 @@ static cycle_t sh_tmu_clocksource_read(struct clocksource *cs) static int sh_tmu_clocksource_enable(struct clocksource *cs) { struct sh_tmu_priv *p = cs_to_sh_tmu(cs); - int ret; - - ret = sh_tmu_enable(p); - if (ret) - return ret; - /* TODO: calculate good shift from rate and counter bit width */ - cs->shift = 10; - cs->mult = clocksource_hz2mult(p->rate, cs->shift); - return 0; + return sh_tmu_enable(p); } static void sh_tmu_clocksource_disable(struct clocksource *cs) @@ -228,6 +220,16 @@ static int sh_tmu_register_clocksource(struct sh_tmu_priv *p, cs->disable = sh_tmu_clocksource_disable; cs->mask = CLOCKSOURCE_MASK(32); cs->flags = CLOCK_SOURCE_IS_CONTINUOUS; + + /* clk_get_rate() needs an enabled clock */ + clk_enable(p->clk); + /* channel will be configured at parent clock / 4 */ + p->rate = clk_get_rate(p->clk) / 4; + clk_disable(p->clk); + /* TODO: calculate good shift from rate and counter bit width */ + cs->shift = 10; + cs->mult = clocksource_hz2mult(p->rate, cs->shift); + dev_info(&p->pdev->dev, "used as clock source\n"); clocksource_register(cs); return 0; |