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 <redacted>
---
  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),