diff mbox series

[2/2] net: amd-xgbe: Enable RRC when auto-negotiation is enabled

Message ID 20211012173709.3453585-2-Shyam-sundar.S-k@amd.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [1/2] net: amd-xgbe: Toggle PLL settings during rate change | expand

Checks

Context Check Description
netdev/cover_letter success Single patches do not need cover letters
netdev/fixes_present success Fixes tag not required for -next series
netdev/patch_count success Link
netdev/tree_selection success Guessed tree name to be net-next
netdev/subject_prefix warning Target tree name not specified in the subject
netdev/cc_maintainers success CCed 4 of 4 maintainers
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success No Fixes tag
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 10 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success No static functions without inline keyword in header files

Commit Message

Shyam Sundar S K Oct. 12, 2021, 5:37 p.m. UTC
Receiver Reset Cycle (RRC) is only required when the
auto-negotiation is enabled.

Co-developed-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
---
 drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index 4465af9b72cf..1a11407e277c 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -2642,7 +2642,9 @@  static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
 	/* No link, attempt a receiver reset cycle */
 	if (phy_data->rrc_count++ > XGBE_RRC_FREQUENCY) {
 		phy_data->rrc_count = 0;
-		xgbe_phy_rrc(pdata);
+		/* RRC is required only if auto-negotiation is enabled */
+		if (pdata->phy.autoneg == AUTONEG_ENABLE)
+			xgbe_phy_rrc(pdata);
 	}
 
 	return 0;