clocksource/drivers/imx-tpm: Add CLOCK_EVT_FEAT_DYNIRQ
authorPeng Fan <peng.fan@nxp.com>
Tue, 14 Dec 2021 12:07:36 +0000 (20:07 +0800)
committerDaniel Lezcano <daniel.lezcano@linaro.org>
Wed, 26 Jan 2022 09:01:00 +0000 (10:01 +0100)
Add CLOCK_EVT_FEAT_DYNIRQ to allow the IRQ could be runtime set affinity
to the cores that needs wake up, otherwise saying core0 has to send
IPI to wakeup core1. With CLOCK_EVT_FEAT_DYNIRQ set, when broadcast
timer could wake up the cores, IPI is not needed.

Acked-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20211214120737.1611955-5-peng.fan@oss.nxp.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
drivers/clocksource/timer-imx-tpm.c

index 3afd9b0..578fe16 100644 (file)
@@ -129,7 +129,7 @@ static struct timer_of to_tpm = {
        .clkevt = {
                .name                   = "i.MX7ULP TPM Timer",
                .rating                 = 200,
-               .features               = CLOCK_EVT_FEAT_ONESHOT,
+               .features               = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_DYNIRQ,
                .set_state_shutdown     = tpm_set_state_shutdown,
                .set_state_oneshot      = tpm_set_state_oneshot,
                .set_next_event         = tpm_set_next_event,