Replace explicit polling loop with equivalent call to tc_poll_timeout() for brevity. No functional change intended.
Signed-off-by: Andrey Smirnov andrew.smirnov@gmail.com Reviewed-by: Andrzej Hajda a.hajda@samsung.com Cc: Andrzej Hajda a.hajda@samsung.com Cc: Laurent Pinchart Laurent.pinchart@ideasonboard.com Cc: Tomi Valkeinen tomi.valkeinen@ti.com Cc: Andrey Gusakov andrey.gusakov@cogentembedded.com Cc: Philipp Zabel p.zabel@pengutronix.de Cc: Cory Tusar cory.tusar@zii.aero Cc: Chris Healy cphealy@gmail.com Cc: Lucas Stach l.stach@pengutronix.de Cc: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org --- drivers/gpu/drm/bridge/tc358767.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index fb8a1942ec54..f463ef6d4271 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -774,7 +774,6 @@ static int tc_main_link_enable(struct tc_data *tc) struct device *dev = tc->dev; unsigned int rate; u32 dp_phy_ctrl; - int timeout; u32 value; int ret; u8 tmp[8]; @@ -831,15 +830,10 @@ static int tc_main_link_enable(struct tc_data *tc) dp_phy_ctrl &= ~(DP_PHY_RST | PHY_M1_RST | PHY_M0_RST); tc_write(DP_PHY_CTRL, dp_phy_ctrl);
- timeout = 1000; - do { - tc_read(DP_PHY_CTRL, &value); - udelay(1); - } while ((!(value & PHY_RDY)) && (--timeout)); - - if (timeout == 0) { + ret = tc_poll_timeout(tc, DP_PHY_CTRL, PHY_RDY, PHY_RDY, 1, 1000); + if (ret) { dev_err(dev, "timeout waiting for phy become ready"); - return -ETIMEDOUT; + return ret; }
/* Set misc: 8 bits per color */