Replace explicit polling loop with equivalent call to tc_poll_timeout() for brevity. No functional change intended.
Signed-off-by: Andrey Smirnov <[email protected]> Cc: Archit Taneja <[email protected]> Cc: Andrzej Hajda <[email protected]> Cc: Laurent Pinchart <[email protected]> Cc: Tomi Valkeinen <[email protected]> Cc: Andrey Gusakov <[email protected]> Cc: Philipp Zabel <[email protected]> Cc: Cory Tusar <[email protected]> Cc: Chris Healy <[email protected]> Cc: Lucas Stach <[email protected]> Cc: [email protected] Cc: [email protected] --- drivers/gpu/drm/bridge/tc358767.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index fb8a1942ec54..5e1e73a91696 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 +830,11 @@ 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) { - dev_err(dev, "timeout waiting for phy become ready"); - return -ETIMEDOUT; + ret = tc_poll_timeout(tc, DP_PHY_CTRL, PHY_RDY, PHY_RDY, 1, 1000); + if (ret) { + if (ret == -ETIMEDOUT) + dev_err(dev, "timeout waiting for phy become ready"); + return ret; } /* Set misc: 8 bits per color */ -- 2.21.0
