diff mbox series

[net-next,v2] net: phylink: allow half-duplex modes with RATE_MATCH_PAUSE

Message ID b157c0c289cfba024039a96e635d037f9d946745.1728617993.git.daniel@makrotopia.org (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series [net-next,v2] net: phylink: allow half-duplex modes with RATE_MATCH_PAUSE | expand

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Context Check Description
netdev/series_format success Single patches do not need cover letters
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: 5 this patch: 5
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 7 of 7 maintainers
netdev/build_clang success Errors and warnings before: 3 this patch: 3
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: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 19 this patch: 19
netdev/source_inline success Was 0 now: 0
netdev/contest warning net-next-2024-10-11--12-00 (tests: 777)

Commit Message

Daniel Golle Oct. 11, 2024, 3:40 a.m. UTC 
PHYs performing rate-matching using MAC-side flow-control always
perform duplex-matching as well in case they are supporting
half-duplex modes at all.
No longer remove half-duplex modes from their capabilities.

Suggested-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
v2: Fix Suggested-by: tag

 drivers/net/phy/phylink.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 4309317de3d1..24a3144e870a 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -599,15 +599,8 @@  static unsigned long phylink_get_capabilities(phy_interface_t interface,
 		 * max speed at full duplex.
 		 */
 		if (mac_capabilities &
-		    phylink_cap_from_speed_duplex(max_speed, DUPLEX_FULL)) {
-			/* Although a duplex-matching phy might exist, we
-			 * conservatively remove these modes because the MAC
-			 * will not be aware of the half-duplex nature of the
-			 * link.
-			 */
+		    phylink_cap_from_speed_duplex(max_speed, DUPLEX_FULL))
 			matched_caps = GENMASK(__fls(caps), __fls(MAC_10HD));
-			matched_caps &= ~(MAC_1000HD | MAC_100HD | MAC_10HD);
-		}
 		break;
 	}
 	case RATE_MATCH_CRS: