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| author | Anson Huang <anson.huang@nxp.com> | 2018-11-05 01:10:27 +0000 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2018-12-18 22:22:23 +0100 |
| commit | df181e38281602bb404c5c8158a87317274dc653 (patch) | |
| tree | f468076cd5dd044c41da23a61b9e339d86b29a4a /drivers/clocksource/timer-imx-gpt.c | |
| parent | fa83c6f45aa560f814adfdf1a0bf523c1157dfe1 (diff) | |
| download | lwn-df181e38281602bb404c5c8158a87317274dc653.tar.gz lwn-df181e38281602bb404c5c8158a87317274dc653.zip | |
clocksource/drivers/imx-gpt: Add support for ARM64
This patch allows building and compile-testing the i.MX GPT 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>
Diffstat (limited to 'drivers/clocksource/timer-imx-gpt.c')
| -rw-r--r-- | drivers/clocksource/timer-imx-gpt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c index 165fbbb1c9a0..a3d6ccbf4a16 100644 --- a/drivers/clocksource/timer-imx-gpt.c +++ b/drivers/clocksource/timer-imx-gpt.c @@ -141,21 +141,25 @@ static u64 notrace mxc_read_sched_clock(void) return sched_clock_reg ? readl_relaxed(sched_clock_reg) : 0; } +#if defined(CONFIG_ARM) static struct delay_timer imx_delay_timer; static unsigned long imx_read_current_timer(void) { return readl_relaxed(sched_clock_reg); } +#endif static int __init mxc_clocksource_init(struct imx_timer *imxtm) { unsigned int c = clk_get_rate(imxtm->clk_per); void __iomem *reg = imxtm->base + imxtm->gpt->reg_tcn; +#if defined(CONFIG_ARM) imx_delay_timer.read_current_timer = &imx_read_current_timer; imx_delay_timer.freq = c; register_current_timer_delay(&imx_delay_timer); +#endif sched_clock_reg = reg; |