[PATCH 3/4] rockchip: rk3399: fix TIMER_FMODE constant

Kever Yang kever.yang at rock-chips.com
Sat Nov 1 09:00:51 CET 2025


On 2025/10/29 00:57, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz at cherry.de>
>
> The free running mode is 0 at bit offset 1. User mode is 1 at bit offset
> 1. Currently, free running mode is 1 at offset 0, which is already the
> case thanks to TIME_EN.
>
> So, this essentially does not change the actual value written to the
> register as it is TIME_EN | TIMER_FMODE which currently is 0x1 | BIT(0)
> = 0b1, and will become 0x1 | (0 << 1) = 0b1.
>
> Signed-off-by: Quentin Schulz <quentin.schulz at cherry.de>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/mach-rockchip/rk3399/rk3399.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c
> index 43d151708e4..8687a9347ec 100644
> --- a/arch/arm/mach-rockchip/rk3399/rk3399.c
> +++ b/arch/arm/mach-rockchip/rk3399/rk3399.c
> @@ -61,8 +61,8 @@ struct mm_region *mem_map = rk3399_mem_map;
>   #define TIMER_CONTROL_REG	0x1c
>   
>   #define TIMER_EN	0x1
> -#define TIMER_FMODE	BIT(0)
> -#define TIMER_RMODE	BIT(1)
> +#define TIMER_FMODE	(0 << 1)
> +#define TIMER_RMODE	(1 << 1)
>   
>   void rockchip_stimer_init(void)
>   {
>


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