Messages in this thread | | | Subject | Re: [Intel-wired-lan] e1000e: PHY cann't be initialized correctly on some I218 controllers | From | Raanan Avargil <> | Date | Thu, 4 Aug 2016 19:18:08 +0300 |
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On 8/1/2016 15:28, Denis Turischev wrote: > There is an error "e1000e: probe of 0000:00:19.0 failed with error -3" > that can be observed after power-on on some I218 controllers. > Hardware reset and re-initialization fixes the issue. > > Signed-off-by: Denis Turischev <denis.turischev@compulab.co.il> > > diff -Nru linux-4.7.orig/drivers/net/ethernet/intel/e1000e/ich8lan.c linux-4.7/drivers/net/ethernet/intel/e1000e/ich8lan.c > --- linux-4.7.orig/drivers/net/ethernet/intel/e1000e/ich8lan.c 2016-07-24 22:23:50.000000000 +0300 > +++ linux-4.7/drivers/net/ethernet/intel/e1000e/ich8lan.c 2016-08-01 13:59:08.046563095 +0300 > @@ -155,6 +155,7 @@ > static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force); > static s32 e1000_setup_copper_link_pch_lpt(struct e1000_hw *hw); > static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state); > +static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw); > > static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg) > { > @@ -459,8 +460,12 @@ > phy->id = e1000_phy_unknown; > > ret_val = e1000_init_phy_workarounds_pchlan(hw); > - if (ret_val) > - return ret_val; > + if (ret_val) { > + e1000_reset_hw_ich8lan(hw); > + ret_val = e1000_init_phy_workarounds_pchlan(hw); > + if (ret_val) > + return ret_val; > + } > > if (phy->id == e1000_phy_unknown) > switch (hw->mac.type) { > _______________________________________________ > Intel-wired-lan mailing list > Intel-wired-lan@lists.osuosl.org > http://lists.osuosl.org/mailman/listinfo/intel-wired-lan >
It is hard to determine what is exactly the problem here and what causes the -3 error, but this is not the place to perform hw reset and retry to init the phy. --------------------------------------------------------------------- Intel Israel (74) Limited
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