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@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 5605610465bc812737f773e0f6232cb6dbdc78a4..83ec892bd6760865fc9e361f4003c5bfbef55608 100644
--- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
+++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
@@ -1075,7 +1075,7 @@ 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),

-- 
2.50.1