diff mbox series

[net-next,4/8] net: dsa: b53: Force flow control for BCM5301X CPU port(s)

Message ID 20240423183339.1368511-5-florian.fainelli@broadcom.com (mailing list archive)
State Accepted
Commit 93a2579ed08c76835514d2a7f6e5bf3a9bc377ef
Delegated to: Netdev Maintainers
Headers show
Series net: dsa: b53: Remove adjust_link | 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: 926 this patch: 926
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 8 of 8 maintainers
netdev/build_clang success Errors and warnings before: 937 this patch: 937
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: 937 this patch: 937
netdev/checkpatch warning CHECK: multiple assignments should be avoided
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
netdev/contest success net-next-2024-04-24--15-00 (tests: 995)

Commit Message

Florian Fainelli April 23, 2024, 6:33 p.m. UTC 
Just like what b53_adjust_link() does, force flow control for the
BCM5301X CPU port(s) by forcing rx_pause and tx_pause in
b53_phylink_mac_link_up(). Preparatory step for getting rid of
b53_adjust_link().

Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
---
 drivers/net/dsa/b53/b53_common.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index a127a17be11c..6277ab7dcb7f 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1475,6 +1475,10 @@  static void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
 		return;
 
 	if (mode == MLO_AN_FIXED) {
+		/* Force flow control on BCM5301x's CPU port */
+		if (is5301x(dev) && dsa_is_cpu_port(ds, port))
+			tx_pause = rx_pause = true;
+
 		b53_force_port_config(dev, port, speed, duplex,
 				      tx_pause, rx_pause);
 		b53_force_link(dev, port, true);