diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2020-04-01 12:27:02 +0800 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-04-09 16:24:50 +0200 |
| commit | ac161f57b66dcf14b3339b1c5857c08a9ad4d833 (patch) | |
| tree | 796ed6a2a6b3532d714df7d262a80ddce3ac9fe3 /drivers/clocksource | |
| parent | 4855f2bd91b6e3461af7d795bfe9a40420122131 (diff) | |
clocksource/drivers/imx-tpm: Add support for ARM64
Allows building and compile-testing the i.MX TPM driver also
for ARM64. The delay_timer is only supported on ARMv7.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/1585715222-24489-1-git-send-email-Anson.Huang@nxp.com
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-imx-tpm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 6334a35fdc2f..2cdc077a39f5 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -61,17 +61,19 @@ static inline void tpm_irq_acknowledge(void) writel(TPM_STATUS_CH0F, timer_base + TPM_STATUS); } -static struct delay_timer tpm_delay_timer; - static inline unsigned long tpm_read_counter(void) { return readl(timer_base + TPM_CNT); } +#if defined(CONFIG_ARM) +static struct delay_timer tpm_delay_timer; + static unsigned long tpm_read_current_timer(void) { return tpm_read_counter(); } +#endif static u64 notrace tpm_read_sched_clock(void) { @@ -144,9 +146,11 @@ static struct timer_of to_tpm = { static int __init tpm_clocksource_init(void) { +#if defined(CONFIG_ARM) tpm_delay_timer.read_current_timer = &tpm_read_current_timer; tpm_delay_timer.freq = timer_of_rate(&to_tpm) >> 3; register_current_timer_delay(&tpm_delay_timer); +#endif sched_clock_register(tpm_read_sched_clock, counter_width, timer_of_rate(&to_tpm) >> 3); |