diff options
| author |   Tony Lindgren <tony@atomide.com> | 2022-08-15 16:12:50 +0300 |
|---|---|---|
| committer |   Daniel Lezcano <daniel.lezcano@linaro.org> | 2022-09-20 10:49:46 +0200 |
| commit | 789d4b1070261fa98b06384d2067f23c080dc9f1 (patch) | |
| tree | dd7126ea73a32dcae62f5287c6f5a62d113e0cd2 /drivers/clocksource | |
| parent | clocksource/drivers/timer-ti-dm: Add flag to detect omap1 (diff) | |
| download | linux-dev-789d4b1070261fa98b06384d2067f23c080dc9f1.tar.xz linux-dev-789d4b1070261fa98b06384d2067f23c080dc9f1.zip | |
clocksource/drivers/timer-ti-dm: Get clock in probe with devm_clk_get()
We can simplify the code a bit by getting the clock in probe, and using
devm_clk_get(). This will also make further changes easier as the clock
is available in probe instead of prepare.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Link: https://lore.kernel.org/r/20220815131250.34603-10-tony@atomide.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-ti-dm.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c index 2310f973fec6..cad29ded3a48 100644 --- a/drivers/clocksource/timer-ti-dm.c +++ b/drivers/clocksource/timer-ti-dm.c @@ -473,18 +473,6 @@ static int omap_dm_timer_prepare(struct dmtimer *timer) struct device *dev = &timer->pdev->dev; int rc; - /* - * FIXME: OMAP1 devices do not use the clock framework for dmtimers so - * do not call clk_get() for these devices. - */ - if (!timer->omap1) { - timer->fclk = clk_get(&timer->pdev->dev, "fck"); - if (WARN_ON_ONCE(IS_ERR(timer->fclk))) { - dev_err(&timer->pdev->dev, ": No fclk handle.\n"); - return -EINVAL; - } - } - rc = pm_runtime_resume_and_get(dev); if (rc) return rc; @@ -650,8 +638,6 @@ static int omap_dm_timer_free(struct omap_dm_timer *cookie) if (unlikely(!timer)) return -EINVAL; - clk_put(timer->fclk); - WARN_ON(!timer->reserved); timer->reserved = 0; return 0; @@ -1098,7 +1084,6 @@ static int omap_dm_timer_probe(struct platform_device *pdev) if (timer->irq < 0) return timer->irq; - timer->fclk = ERR_PTR(-ENODEV); timer->io_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(timer->io_base)) return PTR_ERR(timer->io_base); @@ -1122,6 +1107,15 @@ static int omap_dm_timer_probe(struct platform_device *pdev) timer->omap1 = timer->capability & OMAP_TIMER_NEEDS_RESET; + /* OMAP1 devices do not yet use the clock framework for dmtimers */ + if (!timer->omap1) { + timer->fclk = devm_clk_get(dev, "fck"); + if (IS_ERR(timer->fclk)) + return PTR_ERR(timer->fclk); + } else { + timer->fclk = ERR_PTR(-ENODEV); + } + if (!(timer->capability & OMAP_TIMER_ALWON)) { timer->nb.notifier_call = omap_timer_context_notifier; cpu_pm_register_notifier(&timer->nb); |