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[net-next,v4,2/3] net: ethernet: cortina: Use negotiated TX/RX pause

Message ID 20240529-gemini-phylib-fixes-v4-2-16487ca4c2fe@linaro.org (mailing list archive)
State Accepted
Commit 15c22101db71369c022e25001a339f91cd3f8ddc
Delegated to: Netdev Maintainers
Headers show
Series net: ethernet: cortina: Use phylib for RX and TX pause | 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: 902 this patch: 902
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: linux-arm-kernel@lists.infradead.org
netdev/build_clang success Errors and warnings before: 906 this patch: 906
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: 906 this patch: 906
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 27 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 3 this patch: 3
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-05-30--06-00 (tests: 1042)

Commit Message

Linus Walleij May 29, 2024, 2 p.m. UTC 
Instead of directly poking into registers of the PHY, use
the existing function to query phylib about this directly.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 drivers/net/ethernet/cortina/gemini.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index ff3aeee15e5b..b33f9798471e 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -292,8 +292,8 @@  static void gmac_adjust_link(struct net_device *netdev)
 	struct gemini_ethernet_port *port = netdev_priv(netdev);
 	struct phy_device *phydev = netdev->phydev;
 	union gmac_status status, old_status;
-	int pause_tx = 0;
-	int pause_rx = 0;
+	bool pause_tx = false;
+	bool pause_rx = false;
 
 	status.bits32 = readl(port->gmac_base + GMAC_STATUS);
 	old_status.bits32 = status.bits32;
@@ -328,14 +328,9 @@  static void gmac_adjust_link(struct net_device *netdev)
 	}
 
 	if (phydev->duplex == DUPLEX_FULL) {
-		u16 lcladv = phy_read(phydev, MII_ADVERTISE);
-		u16 rmtadv = phy_read(phydev, MII_LPA);
-		u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
-
-		if (cap & FLOW_CTRL_RX)
-			pause_rx = 1;
-		if (cap & FLOW_CTRL_TX)
-			pause_tx = 1;
+		phy_get_pause(phydev, &pause_tx, &pause_rx);
+		netdev_dbg(netdev, "set negotiated pause params pause TX = %s, pause RX = %s\n",
+			   pause_tx ? "ON" : "OFF", pause_rx ? "ON" : "OFF");
 	}
 
 	gmac_set_flow_control(netdev, pause_tx, pause_rx);