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[net-next,3/4] net: sfp: add support for 25G BASE-R SFPs

Message ID 20210611125453.313308-4-steen.hegelund@microchip.com (mailing list archive)
State Accepted
Commit 452d2c6fbae2c11e3b0c17a3afe7b145db2196e7
Delegated to: Netdev Maintainers
Headers show
Series Add 25G BASE-R support | expand

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netdev/source_inline success Was 0 now: 0
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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
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 11 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 1
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Commit Message

Steen Hegelund June 11, 2021, 12:54 p.m. UTC 
Add support for 25gbase-r modules. This is needed for the Sparx5 switch.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>
---
 drivers/net/phy/sfp-bus.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Andrew Lunn June 12, 2021, 6:07 p.m. UTC | #1 
On Fri, Jun 11, 2021 at 02:54:52PM +0200, Steen Hegelund wrote:
> Add support for 25gbase-r modules. This is needed for the Sparx5 switch.
> 
> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
> Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew
Russell King (Oracle) June 12, 2021, 6:53 p.m. UTC | #2 
On Fri, Jun 11, 2021 at 02:54:52PM +0200, Steen Hegelund wrote:
> Add support for 25gbase-r modules. This is needed for the Sparx5 switch.
> 
> Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
> Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>

Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
diff mbox series

Patch

diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index e61de66e973b..1db9cea13690 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -392,6 +392,11 @@  EXPORT_SYMBOL_GPL(sfp_parse_support);
 phy_interface_t sfp_select_interface(struct sfp_bus *bus,
 				     unsigned long *link_modes)
 {
+	if (phylink_test(link_modes, 25000baseCR_Full) ||
+	    phylink_test(link_modes, 25000baseKR_Full) ||
+	    phylink_test(link_modes, 25000baseSR_Full))
+		return PHY_INTERFACE_MODE_25GBASER;
+
 	if (phylink_test(link_modes, 10000baseCR_Full) ||
 	    phylink_test(link_modes, 10000baseSR_Full) ||
 	    phylink_test(link_modes, 10000baseLR_Full) ||