clocksource/drivers/imx-tpm: Add support for ARM64 (ac161f57) · Commits · 戴 / test

Allows building and compile-testing the i.MX TPM driver also for ARM64. The delay_timer is only supported on ARMv7. Signed-off-by:

drivers/clocksource/timer-imx-tpm.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -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);