diff mbox series

[net-next,v2,1/3] net: phy: at803x: move page selection fix to config_init

Message ID 20220111215504.2714643-2-robert.hancock@calian.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series at803x fiber/SFP support | expand

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Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers fail 1 blamed authors not CCed: mail@david-bauer.net; 1 maintainers not CCed: mail@david-bauer.net
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 59 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Robert Hancock Jan. 11, 2022, 9:55 p.m. UTC
The fix to select the copper page on AR8031 was being done in the probe
function rather than config_init, so it would not be redone after resume
from suspend. Move this to config_init so it is always redone when
needed.

Fixes: c329e5afb42f ("net: phy: at803x: select correct page on config init")
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
---
 drivers/net/phy/at803x.c | 40 ++++++++++++++++------------------------
 1 file changed, 16 insertions(+), 24 deletions(-)

Comments

Jakub Kicinski Jan. 12, 2022, 3:51 a.m. UTC | #1
On Tue, 11 Jan 2022 15:55:02 -0600 Robert Hancock wrote:
> The fix to select the copper page on AR8031 was being done in the probe
> function rather than config_init, so it would not be redone after resume
> from suspend. Move this to config_init so it is always redone when
> needed.
> 
> Fixes: c329e5afb42f ("net: phy: at803x: select correct page on config init")

Please make sure to CC authors of patches in the fixes tags, they are
usually good reviewers.
diff mbox series

Patch

diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index dae95d9a07e8..23d6f2e5f48b 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -784,25 +784,7 @@  static int at803x_probe(struct phy_device *phydev)
 			return ret;
 	}
 
-	/* Some bootloaders leave the fiber page selected.
-	 * Switch to the copper page, as otherwise we read
-	 * the PHY capabilities from the fiber side.
-	 */
-	if (phydev->drv->phy_id == ATH8031_PHY_ID) {
-		phy_lock_mdio_bus(phydev);
-		ret = at803x_write_page(phydev, AT803X_PAGE_COPPER);
-		phy_unlock_mdio_bus(phydev);
-		if (ret)
-			goto err;
-	}
-
 	return 0;
-
-err:
-	if (priv->vddio)
-		regulator_disable(priv->vddio);
-
-	return ret;
 }
 
 static void at803x_remove(struct phy_device *phydev)
@@ -912,6 +894,22 @@  static int at803x_config_init(struct phy_device *phydev)
 {
 	int ret;
 
+	if (phydev->drv->phy_id == ATH8031_PHY_ID) {
+	       /* Some bootloaders leave the fiber page selected.
+		* Switch to the copper page, as otherwise we read
+		* the PHY capabilities from the fiber side.
+		*/
+		phy_lock_mdio_bus(phydev);
+		ret = at803x_write_page(phydev, AT803X_PAGE_COPPER);
+		phy_unlock_mdio_bus(phydev);
+		if (ret)
+			return ret;
+
+		ret = at8031_pll_config(phydev);
+		if (ret < 0)
+			return ret;
+	}
+
 	/* The RX and TX delay default is:
 	 *   after HW reset: RX delay enabled and TX delay disabled
 	 *   after SW reset: RX delay enabled, while TX delay retains the
@@ -941,12 +939,6 @@  static int at803x_config_init(struct phy_device *phydev)
 	if (ret < 0)
 		return ret;
 
-	if (phydev->drv->phy_id == ATH8031_PHY_ID) {
-		ret = at8031_pll_config(phydev);
-		if (ret < 0)
-			return ret;
-	}
-
 	/* Ar803x extended next page bit is enabled by default. Cisco
 	 * multigig switches read this bit and attempt to negotiate 10Gbps
 	 * rates even if the next page bit is disabled. This is incorrect