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74 lines
2.5 KiB
Diff
74 lines
2.5 KiB
Diff
From f3db55ae860a82e1224a909072783ef850e5d228 Mon Sep 17 00:00:00 2001
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From: Luo Jie <quic_luoj@quicinc.com>
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Date: Sun, 16 Jul 2023 16:49:20 +0800
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Subject: [PATCH 2/6] net: phy: at803x: merge qca8081 slave seed function
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merge the seed enablement and seed value configuration into
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one function, since the random seed value is needed to be
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configured when the seed is enabled.
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Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
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Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/phy/at803x.c | 29 +++++++++--------------------
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1 file changed, 9 insertions(+), 20 deletions(-)
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--- a/drivers/net/phy/at803x.c
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+++ b/drivers/net/phy/at803x.c
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@@ -1730,24 +1730,19 @@ static int qca808x_phy_fast_retrain_conf
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return 0;
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}
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-static int qca808x_phy_ms_random_seed_set(struct phy_device *phydev)
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-{
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- u16 seed_value = prandom_u32_max(QCA808X_MASTER_SLAVE_SEED_RANGE);
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-
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- return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
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- QCA808X_MASTER_SLAVE_SEED_CFG,
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- FIELD_PREP(QCA808X_MASTER_SLAVE_SEED_CFG, seed_value));
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-}
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-
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static int qca808x_phy_ms_seed_enable(struct phy_device *phydev, bool enable)
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{
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- u16 seed_enable = 0;
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+ u16 seed_value;
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- if (enable)
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- seed_enable = QCA808X_MASTER_SLAVE_SEED_ENABLE;
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+ if (!enable)
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+ return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
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+ QCA808X_MASTER_SLAVE_SEED_ENABLE, 0);
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+ seed_value = prandom_u32_max(QCA808X_MASTER_SLAVE_SEED_RANGE);
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return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
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- QCA808X_MASTER_SLAVE_SEED_ENABLE, seed_enable);
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+ QCA808X_MASTER_SLAVE_SEED_CFG | QCA808X_MASTER_SLAVE_SEED_ENABLE,
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+ FIELD_PREP(QCA808X_MASTER_SLAVE_SEED_CFG, seed_value) |
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+ QCA808X_MASTER_SLAVE_SEED_ENABLE);
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}
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static int qca808x_config_init(struct phy_device *phydev)
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@@ -1771,12 +1766,7 @@ static int qca808x_config_init(struct ph
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if (ret)
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return ret;
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- /* Configure lower ramdom seed to make phy linked as slave mode */
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- ret = qca808x_phy_ms_random_seed_set(phydev);
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- if (ret)
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- return ret;
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-
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- /* Enable seed */
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+ /* Enable seed and configure lower ramdom seed to make phy linked as slave mode */
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ret = qca808x_phy_ms_seed_enable(phydev, true);
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if (ret)
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return ret;
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@@ -1821,7 +1811,6 @@ static int qca808x_read_status(struct ph
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if (phydev->master_slave_state == MASTER_SLAVE_STATE_ERR) {
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qca808x_phy_ms_seed_enable(phydev, false);
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} else {
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- qca808x_phy_ms_random_seed_set(phydev);
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qca808x_phy_ms_seed_enable(phydev, true);
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}
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}
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