Message ID | E1kyYQf-0004iY-Gh@rmk-PC.armlinux.org.uk (mailing list archive) |
---|---|
State | Accepted |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | [net-next] net: sfp: extend bitrate-derived mode for 2500BASE-X | expand |
Context | Check | Description |
---|---|---|
netdev/cover_letter | success | Link |
netdev/fixes_present | success | Link |
netdev/patch_count | success | Link |
netdev/tree_selection | success | Clearly marked for net-next |
netdev/subject_prefix | success | Link |
netdev/cc_maintainers | warning | 1 maintainers not CCed: linux@armlinux.org.uk |
netdev/source_inline | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Link |
netdev/module_param | success | Was 0 now: 0 |
netdev/build_32bit | success | Errors and warnings before: 1 this patch: 1 |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/verify_fixes | success | Link |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 19 lines checked |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 1 this patch: 1 |
netdev/header_inline | success | Link |
netdev/stable | success | Stable not CCed |
On Sun, Jan 10, 2021 at 10:58:37AM +0000, Russell King wrote: > Extend the bitrate-derived support to include 2500BASE-X for modules > that report a bitrate of 2500Mbaud. > > Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Andrew
On Sun, 10 Jan 2021 17:49:54 +0100 Andrew Lunn wrote: > On Sun, Jan 10, 2021 at 10:58:37AM +0000, Russell King wrote: > > Extend the bitrate-derived support to include 2500BASE-X for modules > > that report a bitrate of 2500Mbaud. > > > > Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> > > Reviewed-by: Andrew Lunn <andrew@lunn.ch> Applied, thanks!
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index 20b91f5dfc6e..cdfa0a190962 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -337,11 +337,16 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, * the bitrate to determine supported modes. Some BiDi modules (eg, * 1310nm/1550nm) are not 1000BASE-BX compliant due to the differing * wavelengths, so do not set any transceiver bits. + * + * Do the same for modules supporting 2500BASE-X. Note that some + * modules use 2500Mbaud rather than 3100 or 3200Mbaud for + * 2500BASE-X, so we allow some slack here. */ - if (bitmap_empty(modes, __ETHTOOL_LINK_MODE_MASK_NBITS)) { - /* If the bit rate allows 1000baseX */ - if (br_nom && br_min <= 1300 && br_max >= 1200) + if (bitmap_empty(modes, __ETHTOOL_LINK_MODE_MASK_NBITS) && br_nom) { + if (br_min <= 1300 && br_max >= 1200) phylink_set(modes, 1000baseX_Full); + if (br_min <= 3200 && br_max >= 2500) + phylink_set(modes, 2500baseX_Full); } if (bus->sfp_quirk)
Extend the bitrate-derived support to include 2500BASE-X for modules that report a bitrate of 2500Mbaud. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- drivers/net/phy/sfp-bus.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)