diff options
-rw-r--r-- | drivers/clocksource/sh_tmu.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c index 36aba9923060..808135768617 100644 --- a/drivers/clocksource/sh_tmu.c +++ b/drivers/clocksource/sh_tmu.c | |||
@@ -199,8 +199,12 @@ static cycle_t sh_tmu_clocksource_read(struct clocksource *cs) | |||
199 | static int sh_tmu_clocksource_enable(struct clocksource *cs) | 199 | static int sh_tmu_clocksource_enable(struct clocksource *cs) |
200 | { | 200 | { |
201 | struct sh_tmu_priv *p = cs_to_sh_tmu(cs); | 201 | struct sh_tmu_priv *p = cs_to_sh_tmu(cs); |
202 | int ret; | ||
202 | 203 | ||
203 | return sh_tmu_enable(p); | 204 | ret = sh_tmu_enable(p); |
205 | if (!ret) | ||
206 | __clocksource_updatefreq_hz(cs, p->rate); | ||
207 | return ret; | ||
204 | } | 208 | } |
205 | 209 | ||
206 | static void sh_tmu_clocksource_disable(struct clocksource *cs) | 210 | static void sh_tmu_clocksource_disable(struct clocksource *cs) |
@@ -221,17 +225,10 @@ static int sh_tmu_register_clocksource(struct sh_tmu_priv *p, | |||
221 | cs->mask = CLOCKSOURCE_MASK(32); | 225 | cs->mask = CLOCKSOURCE_MASK(32); |
222 | cs->flags = CLOCK_SOURCE_IS_CONTINUOUS; | 226 | cs->flags = CLOCK_SOURCE_IS_CONTINUOUS; |
223 | 227 | ||
224 | /* clk_get_rate() needs an enabled clock */ | ||
225 | clk_enable(p->clk); | ||
226 | /* channel will be configured at parent clock / 4 */ | ||
227 | p->rate = clk_get_rate(p->clk) / 4; | ||
228 | clk_disable(p->clk); | ||
229 | /* TODO: calculate good shift from rate and counter bit width */ | ||
230 | cs->shift = 10; | ||
231 | cs->mult = clocksource_hz2mult(p->rate, cs->shift); | ||
232 | |||
233 | dev_info(&p->pdev->dev, "used as clock source\n"); | 228 | dev_info(&p->pdev->dev, "used as clock source\n"); |
234 | clocksource_register(cs); | 229 | |
230 | /* Register with dummy 1 Hz value, gets updated in ->enable() */ | ||
231 | clocksource_register_hz(cs, 1); | ||
235 | return 0; | 232 | return 0; |
236 | } | 233 | } |
237 | 234 | ||