Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1509449

Re: [PATCH v2] clocksource/arm_arch_timer: Map frame with of_io_request_and_map()

Show all headers | View raw

On 26/10/16 08:35, Stephen Boyd wrote:
> Let's use the of_io_request_and_map() API so that the frame
> region is protected and shows up in /proc/iomem.
> 
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
> 
> Changes from v1:
>  * Check for IS_ERR instead
> 
>  drivers/clocksource/arm_arch_timer.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
> index 73c487da6d2a..723cc924d8d1 100644
> --- a/drivers/clocksource/arm_arch_timer.c
> +++ b/drivers/clocksource/arm_arch_timer.c
> @@ -964,8 +964,9 @@ static int __init arch_timer_mem_init(struct device_node *np)
>  	}
>  
>  	ret= -ENXIO;
> -	base = arch_counter_base = of_iomap(best_frame, 0);
> -	if (!base) {
> +	base = arch_counter_base = of_io_request_and_map(best_frame, 0,
> +							 "arch_mem_timer");
> +	if (IS_ERR(base)) {
>  		pr_err("arch_timer: Can't map frame's registers\n");
>  		goto out;
>  	}
> 

Acked-by: Marc Zyngier <marc.zyngier@arm.com>

	M.
-- 
Jazz is not dead. It just smells funny...

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH v2] clocksource/arm_arch_timer: Map frame with of_io_request_and_map() Stephen Boyd <sboyd@codeaurora.org> - 2016-10-26 09:40 +0200
  Re: [PATCH v2] clocksource/arm_arch_timer: Map frame with  of_io_request_and_map() Marc Zyngier <marc.zyngier@arm.com> - 2016-10-26 15:50 +0200

csiph-web