Re: [PATCH net v2] phy: avoid unnecessary link-up delay in polling mode
From: Ivan Vecera <ivecera@redhat.com>
Date: 2020-02-01 10:26:02
On Fri, 31 Jan 2020 21:50:48 +0100 Heiner Kallweit [off-list ref] wrote:
quoted
0x7949 [ 24.154174] xgene-mii-rgmii:03: genphy_update_link(), line: 1927, link: 0 . supressed 3 same messages in T0+1,2,3s [ 28.609822] xgene-mii-rgmii:03: genphy_update_link(), line: 1895, link: 0 [ 28.629906] xgene-mii-rgmii:03: genphy_update_link(), line: 1917, status: 0x7969 ^^^^^^^^^^^^^^^ detected BMSR_ANEGCOMPLETE but not BMSR_LSTATUS [ 28.644590] xgene-mii-rgmii:03: genphy_update_link(), line: 1921, status: 0x796d ^^^^^^^^^^^^^^^ here is detected BMSR_ANEGCOMPLETE and BMSR_LSTATUS [ 28.658681] xgene-mii-rgmii:03: genphy_update_link(), line: 1927, link: 1I see, thanks. Strange behavior of the PHY. Did you test also with other PHY's whether they behave the same?
Yeah, it's strange... we could try different PHYs but anyway the double read was removed for polling mode to detect momentary link drops but it make sense only when phy->link is not 0. Thoughts? Ivan