[PATCH v2 2/6] net: phy: at803x: merge qca8081 salve seed function

Luo Jie posted 6 patches 2 years, 5 months ago
There is a newer version of this series
[PATCH v2 2/6] net: phy: at803x: merge qca8081 salve seed function
Posted by Luo Jie 2 years, 5 months ago
merge the seed enablement and seed value configuration into
one function, since the random seed value is needed to be
configured when the seed is enabled.

Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
---
 drivers/net/phy/at803x.c | 29 +++++++++--------------------
 1 file changed, 9 insertions(+), 20 deletions(-)

diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index 11388ef3f7ef..1d4aef60d51a 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -1725,24 +1725,19 @@ static int qca808x_phy_fast_retrain_config(struct phy_device *phydev)
 	return 0;
 }
 
-static int qca808x_phy_ms_random_seed_set(struct phy_device *phydev)
-{
-	u16 seed_value = get_random_u32_below(QCA808X_MASTER_SLAVE_SEED_RANGE);
-
-	return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
-			QCA808X_MASTER_SLAVE_SEED_CFG,
-			FIELD_PREP(QCA808X_MASTER_SLAVE_SEED_CFG, seed_value));
-}
-
 static int qca808x_phy_ms_seed_enable(struct phy_device *phydev, bool enable)
 {
-	u16 seed_enable = 0;
+	u16 seed_value;
 
-	if (enable)
-		seed_enable = QCA808X_MASTER_SLAVE_SEED_ENABLE;
+	if (!enable)
+		return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
+				QCA808X_MASTER_SLAVE_SEED_ENABLE, 0);
 
+	seed_value = get_random_u32_below(QCA808X_MASTER_SLAVE_SEED_RANGE);
 	return at803x_debug_reg_mask(phydev, QCA808X_PHY_DEBUG_LOCAL_SEED,
-			QCA808X_MASTER_SLAVE_SEED_ENABLE, seed_enable);
+			QCA808X_MASTER_SLAVE_SEED_CFG | QCA808X_MASTER_SLAVE_SEED_ENABLE,
+			FIELD_PREP(QCA808X_MASTER_SLAVE_SEED_CFG, seed_value) |
+			QCA808X_MASTER_SLAVE_SEED_ENABLE);
 }
 
 static int qca808x_config_init(struct phy_device *phydev)
@@ -1766,12 +1761,7 @@ static int qca808x_config_init(struct phy_device *phydev)
 	if (ret)
 		return ret;
 
-	/* Configure lower ramdom seed to make phy linked as slave mode */
-	ret = qca808x_phy_ms_random_seed_set(phydev);
-	if (ret)
-		return ret;
-
-	/* Enable seed */
+	/* Enable seed and configure lower ramdom seed to make phy linked as slave mode */
 	ret = qca808x_phy_ms_seed_enable(phydev, true);
 	if (ret)
 		return ret;
@@ -1816,7 +1806,6 @@ static int qca808x_read_status(struct phy_device *phydev)
 		if (phydev->master_slave_state == MASTER_SLAVE_STATE_ERR) {
 			qca808x_phy_ms_seed_enable(phydev, false);
 		} else {
-			qca808x_phy_ms_random_seed_set(phydev);
 			qca808x_phy_ms_seed_enable(phydev, true);
 		}
 	}
-- 
2.17.1
Re: [PATCH v2 2/6] net: phy: at803x: merge qca8081 salve seed function
Posted by Russell King (Oracle) 2 years, 5 months ago
"merge qca8081 salve seed function"

I'm not sure what salve has to do with the seed... seems like a typo?

Otherwise,

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Thanks!

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
Re: [PATCH v2 2/6] net: phy: at803x: merge qca8081 salve seed function
Posted by Jie Luo 2 years, 5 months ago

On 7/14/2023 6:48 PM, Russell King (Oracle) wrote:
> "merge qca8081 salve seed function"
> 
> I'm not sure what salve has to do with the seed... seems like a typo?
> 
> Otherwise,
> 
> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
> 
> Thanks!
> 

yes, Russell, it is a typo, will update it in next patch set, thanks.