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phy: rockchip-typec: Try to turn the DP PHY on several times

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Change-Id: I945abf00bfd2b56600f25a8ee256988790f0a2dc
Signed-off-by: Zhang Yubing <yubing.zhang@rock-chips.com>
This commit is contained in:
Zhang Yubing
2024-06-26 09:25:28 +08:00
parent fe586d6d4f
commit eb22f895f4
1 changed files with 19 additions and 2 deletions
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21
drivers/phy/rockchip/phy-rockchip-typec.c
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@@ -1467,9 +1467,8 @@ static const struct phy_ops rockchip_usb3_phy_ops = {
.owner = THIS_MODULE,
};
static int rockchip_dp_phy_power_on(struct phy *phy)
static int _rockchip_dp_phy_power_on(struct rockchip_typec_phy *tcphy)
{
struct rockchip_typec_phy *tcphy = phy_get_drvdata(phy);
const struct rockchip_usb3phy_port_cfg *cfg = tcphy->port_cfgs;
int new_mode, ret = 0;
u32 val;
@@ -1532,6 +1531,24 @@ unlock_ret:
return ret;
}
static int rockchip_dp_phy_power_on(struct phy *phy)
{
struct rockchip_typec_phy *tcphy = phy_get_drvdata(phy);
int ret;
int tries;
for (tries = 0; tries < POWER_ON_TRIES; tries++) {
ret = _rockchip_dp_phy_power_on(tcphy);
if (!ret)
break;
}
if (tries && !ret)
dev_info(tcphy->dev, "Needed %d loops to turn on dp phy\n", tries);
return ret;
}
static int rockchip_dp_phy_power_off(struct phy *phy)
{
struct rockchip_typec_phy *tcphy = phy_get_drvdata(phy);