[tip: timers/core] clocksource/drivers/timer-ti-dm: Add flag to detect omap1

From: tip-bot2 for Tony Lindgren
Date: Tue Oct 04 2022 - 05:31:26 EST


The following commit has been merged into the timers/core branch of tip:

Commit-ID: 664ad59da11687ef9b518fc2519af6a71a1db9f1
Gitweb: https://git.kernel.org/tip/664ad59da11687ef9b518fc2519af6a71a1db9f1
Author: Tony Lindgren <tony@xxxxxxxxxxx>
AuthorDate: Mon, 15 Aug 2022 16:12:49 +03:00
Committer: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
CommitterDate: Tue, 20 Sep 2022 10:49:46 +02:00

clocksource/drivers/timer-ti-dm: Add flag to detect omap1

Let's make it clear that some features need to be tested currently on
omap1. Only omap1 still uses platform_data.

Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Reviewed-by: Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220815131250.34603-9-tony@xxxxxxxxxxx
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
drivers/clocksource/timer-ti-dm.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c
index 0d0130e..2310f97 100644
--- a/drivers/clocksource/timer-ti-dm.c
+++ b/drivers/clocksource/timer-ti-dm.c
@@ -133,6 +133,7 @@ struct dmtimer {
unsigned long rate;
unsigned reserved:1;
unsigned posted:1;
+ unsigned omap1:1;
struct timer_regs context;
int revision;
u32 capability;
@@ -423,7 +424,7 @@ static int omap_dm_timer_set_source(struct omap_dm_timer *cookie, int source)
* use the clock framework to set the parent clock. To be removed
* once OMAP1 migrated to using clock framework for dmtimers
*/
- if (pdata && pdata->set_timer_src)
+ if (timer->omap1 && pdata && pdata->set_timer_src)
return pdata->set_timer_src(timer->pdev, source);

#if defined(CONFIG_COMMON_CLK)
@@ -476,7 +477,7 @@ static int omap_dm_timer_prepare(struct dmtimer *timer)
* FIXME: OMAP1 devices do not use the clock framework for dmtimers so
* do not call clk_get() for these devices.
*/
- if (!(timer->capability & OMAP_TIMER_NEEDS_RESET)) {
+ 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");
@@ -763,7 +764,7 @@ static int omap_dm_timer_stop(struct omap_dm_timer *cookie)

dev = &timer->pdev->dev;

- if (!(timer->capability & OMAP_TIMER_NEEDS_RESET))
+ if (!timer->omap1)
rate = clk_get_rate(timer->fclk);

__omap_dm_timer_stop(timer, rate);
@@ -1119,6 +1120,8 @@ static int omap_dm_timer_probe(struct platform_device *pdev)
timer->reserved = omap_dm_timer_reserved_systimer(timer->id);
}

+ timer->omap1 = timer->capability & OMAP_TIMER_NEEDS_RESET;
+
if (!(timer->capability & OMAP_TIMER_ALWON)) {
timer->nb.notifier_call = omap_timer_context_notifier;
cpu_pm_register_notifier(&timer->nb);