diff mbox series

[net-next,v4,2/4] net: phy: at803x: refactor qca808x cable test get status function

Message ID 20240104213044.4653-3-ansuelsmth@gmail.com
State New
Headers
Series net: phy: at803x: even more generalization |

Commit Message

Christian Marangi Jan. 4, 2024, 9:30 p.m. UTC 
  Refactor qca808x cable test get status function to remove code
duplication and clean things up.

The same logic is applied to each pair hence it can be generalized and
moved to a common function.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
 drivers/net/phy/at803x.c | 80 ++++++++++++++++++++++++----------------
 1 file changed, 49 insertions(+), 31 deletions(-)

Comments

Simon Horman Jan. 5, 2024, 6:26 p.m. UTC | #1 
On Thu, Jan 04, 2024 at 10:30:39PM +0100, Christian Marangi wrote:
> Refactor qca808x cable test get status function to remove code
> duplication and clean things up.
> 
> The same logic is applied to each pair hence it can be generalized and
> moved to a common function.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>

Reviewed-by: Simon Horman <horms@kernel.org>
diff mbox series

Patch

diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index acf483fa0887..8d824094bc71 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -2037,10 +2037,43 @@  static int qca808x_cable_test_start(struct phy_device *phydev)
 	return 0;
 }
 
+static int qca808x_cable_test_get_pair_status(struct phy_device *phydev, u8 pair,
+					      u16 status)
+{
+	u16 pair_code;
+	int length;
+
+	switch (pair) {
+	case ETHTOOL_A_CABLE_PAIR_A:
+		pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_A, status);
+		break;
+	case ETHTOOL_A_CABLE_PAIR_B:
+		pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_B, status);
+		break;
+	case ETHTOOL_A_CABLE_PAIR_C:
+		pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_C, status);
+		break;
+	case ETHTOOL_A_CABLE_PAIR_D:
+		pair_code = FIELD_GET(QCA808X_CDT_CODE_PAIR_D, status);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ethnl_cable_test_result(phydev, pair,
+				qca808x_cable_test_result_trans(pair_code));
+
+	if (qca808x_cdt_fault_length_valid(pair_code)) {
+		length = qca808x_cdt_fault_length(phydev, pair);
+		ethnl_cable_test_fault_length(phydev, pair, length);
+	}
+
+	return 0;
+}
+
 static int qca808x_cable_test_get_status(struct phy_device *phydev, bool *finished)
 {
 	int ret, val;
-	int pair_a, pair_b, pair_c, pair_d;
 
 	*finished = false;
 
@@ -2059,36 +2092,21 @@  static int qca808x_cable_test_get_status(struct phy_device *phydev, bool *finish
 	if (val < 0)
 		return val;
 
-	pair_a = FIELD_GET(QCA808X_CDT_CODE_PAIR_A, val);
-	pair_b = FIELD_GET(QCA808X_CDT_CODE_PAIR_B, val);
-	pair_c = FIELD_GET(QCA808X_CDT_CODE_PAIR_C, val);
-	pair_d = FIELD_GET(QCA808X_CDT_CODE_PAIR_D, val);
-
-	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
-				qca808x_cable_test_result_trans(pair_a));
-	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_B,
-				qca808x_cable_test_result_trans(pair_b));
-	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_C,
-				qca808x_cable_test_result_trans(pair_c));
-	ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_D,
-				qca808x_cable_test_result_trans(pair_d));
-
-	if (qca808x_cdt_fault_length_valid(pair_a)) {
-		val = qca808x_cdt_fault_length(phydev, ETHTOOL_A_CABLE_PAIR_A);
-		ethnl_cable_test_fault_length(phydev, ETHTOOL_A_CABLE_PAIR_A, val);
-	}
-	if (qca808x_cdt_fault_length_valid(pair_b)) {
-		val = qca808x_cdt_fault_length(phydev, ETHTOOL_A_CABLE_PAIR_B);
-		ethnl_cable_test_fault_length(phydev, ETHTOOL_A_CABLE_PAIR_B, val);
-	}
-	if (qca808x_cdt_fault_length_valid(pair_c)) {
-		val = qca808x_cdt_fault_length(phydev, ETHTOOL_A_CABLE_PAIR_C);
-		ethnl_cable_test_fault_length(phydev, ETHTOOL_A_CABLE_PAIR_C, val);
-	}
-	if (qca808x_cdt_fault_length_valid(pair_d)) {
-		val = qca808x_cdt_fault_length(phydev, ETHTOOL_A_CABLE_PAIR_D);
-		ethnl_cable_test_fault_length(phydev, ETHTOOL_A_CABLE_PAIR_D, val);
-	}
+	ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_A, val);
+	if (ret)
+		return ret;
+
+	ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_B, val);
+	if (ret)
+		return ret;
+
+	ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_C, val);
+	if (ret)
+		return ret;
+
+	ret = qca808x_cable_test_get_pair_status(phydev, ETHTOOL_A_CABLE_PAIR_D, val);
+	if (ret)
+		return ret;
 
 	*finished = true;