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[1/2] net: phy: aquantia: validate PHY mode on AQR107

Message ID 20231117100848.424372-1-robimarko@gmail.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [1/2] net: phy: aquantia: validate PHY mode on AQR107 | expand

Checks

Context Check Description
netdev/series_format warning Single patches do not need cover letters; Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next
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: 1127 this patch: 1127
netdev/cc_maintainers success CCed 9 of 9 maintainers
netdev/build_clang success Errors and warnings before: 1154 this patch: 1154
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: 1154 this patch: 1154
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 29 lines checked
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

Robert Marko Nov. 17, 2023, 10:05 a.m. UTC 
The Aquantia driver is not setting the PHY mode itself, but it does however
still check if the PHY mode set in DTS is one of the supported modes.

However, the set PHY mode does not have to match the actual one, so lets
add update the PHY mode during .config_init and warn if they differ.

Signed-off-by: Robert Marko <robimarko@gmail.com>
---
 drivers/net/phy/aquantia/aquantia_main.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/phy/aquantia/aquantia_main.c b/drivers/net/phy/aquantia/aquantia_main.c
index cc4a97741c4a..7711e052e737 100644
--- a/drivers/net/phy/aquantia/aquantia_main.c
+++ b/drivers/net/phy/aquantia/aquantia_main.c
@@ -505,6 +505,21 @@  static void aqr107_chip_info(struct phy_device *phydev)
 		   fw_major, fw_minor, build_id, prov_id);
 }
 
+static void aqr107_validate_mode(struct phy_device *phydev,
+				 phy_interface_t dts_mode)
+{
+	int ret;
+
+	/* Get the actual PHY mode */
+	ret = aqr107_read_status(phydev);
+	if (ret)
+		return;
+
+	if (dts_mode != phydev->interface)
+		phydev_info(phydev, "%s mode is set in DTS while %s mode is actual. Please update your devicetree.\n",
+			    phy_modes(dts_mode), phy_modes(phydev->interface));
+}
+
 static int aqr107_config_init(struct phy_device *phydev)
 {
 	int ret;
@@ -528,6 +543,8 @@  static int aqr107_config_init(struct phy_device *phydev)
 	if (!ret)
 		aqr107_chip_info(phydev);
 
+	aqr107_validate_mode(phydev, phydev->interface);
+
 	return aqr107_set_downshift(phydev, MDIO_AN_VEND_PROV_DOWNSHIFT_DFLT);
 }