Re: [PATCH v21 03/13] clocksource: arm_arch_timer: remove arch_timer_detect_rate

From: Mark Rutland
Date: Fri Mar 17 2017 - 15:05:36 EST


On Tue, Feb 07, 2017 at 02:50:05AM +0800, fu.wei@xxxxxxxxxx wrote:
> From: Fu Wei <fu.wei@xxxxxxxxxx>
>
> The original counter frequency detection call(arch_timer_detect_rate)
> include getting the frequency from the per-cpu arch-timer and the
> memory-mapped (MMIO) timer interfaces. But they will be needed only when
> the system initializes the relevant timer.
>
> This patch remove arch_timer_detect_rate founction, and use the
> arch_timer_get_sysreg_freq and arch_timer_get_mmio_freq directly.
>
> Signed-off-by: Fu Wei <fu.wei@xxxxxxxxxx>

Could you please fold this with the prior patch?

> @@ -1087,7 +1072,12 @@ static int __init arch_timer_mem_init(struct device_node *np)
> */
> if (!arch_timer_rate &&
> of_property_read_u32(np, "clock-frequency", &arch_timer_rate))
> - arch_timer_detect_rate(base);
> + arch_timer_rate = arch_timer_get_mmio_freq(base);
> + if (!arch_timer_rate) {
> + pr_err(FW_BUG "frequency not available for MMIO timer.\n");

It would be better to say "MMIO frequency not available.\n" here.

Thanks,
Mark.