diff options
| author | Judith Mendez <jm@ti.com> | 2024-10-11 12:52:03 -0500 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2024-11-13 13:49:33 +0100 |
| commit | 314413317b6d78cc76cd48f0296fde9fcfdec400 (patch) | |
| tree | 3f210513dfb407410b4789959d1f52bf79d3fcde /drivers/clocksource | |
| parent | 0309f714a0908e947af1c902cf6a330cb593e75e (diff) | |
| download | lwn-314413317b6d78cc76cd48f0296fde9fcfdec400.tar.gz lwn-314413317b6d78cc76cd48f0296fde9fcfdec400.zip | |
clocksource/drivers/timer-ti-dm: Don't fail probe if int not found
Some timers may not have an interrupt routed to the A53 GIC, but the
timer PWM functionality can still be used by Linux Kernel. Therefore,
do not fail probe if interrupt is not found and ti,timer-pwm exists.
Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20241011175203.1040568-1-jm@ti.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-ti-dm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c index b7a34b1a975e..3666d94cc8dd 100644 --- a/drivers/clocksource/timer-ti-dm.c +++ b/drivers/clocksource/timer-ti-dm.c @@ -1104,8 +1104,12 @@ static int omap_dm_timer_probe(struct platform_device *pdev) return -ENOMEM; timer->irq = platform_get_irq(pdev, 0); - if (timer->irq < 0) - return timer->irq; + if (timer->irq < 0) { + if (of_property_read_bool(dev->of_node, "ti,timer-pwm")) + dev_info(dev, "Did not find timer interrupt, timer usable in PWM mode only\n"); + else + return timer->irq; + } timer->io_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(timer->io_base)) |