[PATCH v6 02/11] phy: rockchip: samsung-hdptx: Use usleep_range() instead of udelay()

Neil Armstrong neil.armstrong at linaro.org
Tue Jan 13 00:13:11 PST 2026


On 1/13/26 00:20, Cristian Ciocaltea wrote:
> rk_hdptx_dp_reset() is allowed to sleep, hence replace the busy waiting
> with usleep_range(), to allow other threads to run.
> 
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea at collabora.com>
> ---
>   drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
> index a65e96694237..89710066d70c 100644
> --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
> +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
> @@ -1042,7 +1042,7 @@ static void rk_hdptx_dp_reset(struct rk_hdptx_phy *hdptx)
>   	reset_control_assert(hdptx->rsts[RST_INIT].rstc);
>   
>   	reset_control_assert(hdptx->rsts[RST_APB].rstc);
> -	udelay(10);
> +	usleep_range(10, 15);
>   	reset_control_deassert(hdptx->rsts[RST_APB].rstc);
>   
>   	regmap_update_bits(hdptx->regmap, LANE_REG(0301),
> 

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>

Thanks,
Neil



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