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 (mailing list archive)
State Accepted
Commit e0e9ada1df6133513249861c1d91c1dbefd9383b
Delegated to: Netdev Maintainers
Headers show
Series net: phy: at803x: even more generalization | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1113 this patch: 1113
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 1140 this patch: 1140
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1140 this patch: 1140
netdev/checkpatch warning WARNING: line length of 81 exceeds 80 columns WARNING: line length of 86 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

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;