[PATCH net-next 1/2] net: phy: broadcom: set features explicitly for BCM54616S

Tao Ren taoren at fb.com
Tue Jul 30 15:05:35 AEST 2019

On 7/29/19 8:35 PM, Andrew Lunn wrote:
> On Mon, Jul 29, 2019 at 05:25:32PM -0700, Tao Ren wrote:
>> BCM54616S feature "PHY_GBIT_FEATURES" was removed by commit dcdecdcfe1fc
>> ("net: phy: switch drivers to use dynamic feature detection"). As dynamic
>> feature detection doesn't work when BCM54616S is working in RGMII-Fiber
>> mode (different sets of MII Control/Status registers being used), let's
>> set "PHY_GBIT_FEATURES" for BCM54616S explicitly.
> Hi Tao
> What exactly does it get wrong?
>      Thanks
> 	Andrew

Hi Andrew,

BCM54616S is set to RGMII-Fiber (1000Base-X) mode on my platform, and none of the features (1000BaseT/100BaseT/10BaseT) can be detected by genphy_read_abilities(), because the PHY only reports 1000BaseX_Full|Half ability in this mode.



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