Add quirk for a copper SFP that identifies itself as "FLYPRO"
"SFP-10GT-CS-30M". It uses RollBall protocol to talk to the PHY.

Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
---
 drivers/net/phy/sfp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index 5347c95d1e77..4cd1d6c51dc2 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -492,6 +492,9 @@ static const struct sfp_quirk sfp_quirks[] = {
 	SFP_QUIRK("ALCATELLUCENT", "3FE46541AA", sfp_quirk_2500basex,
 		  sfp_fixup_nokia),
 
+	// FLYPRO SFP-10GT-CS-30M uses Rollball protocol to talk to the PHY.
+	SFP_QUIRK_F("FLYPRO", "SFP-10GT-CS-30M", sfp_fixup_rollball),
+
 	// Fiberstore SFP-10G-T doesn't identify as copper, uses the Rollball
 	// protocol to talk to the PHY and needs 4 sec wait before probing the
 	// PHY.
-- 
2.47.2

On Sun, Aug 31, 2025 at 12:59:07PM +0200, Aleksander Jan Bajkowski wrote:
> Add quirk for a copper SFP that identifies itself as "FLYPRO"
> "SFP-10GT-CS-30M". It uses RollBall protocol to talk to the PHY.
> 
> Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>

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

Thanks!

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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