On Mon, Dec 16, 2013 at 05:11:25PM +0000, Wyborny, Carolyn wrote:
> > -----Original Message-----
> > From: Rashika Kheria [mailto:[email protected]]
> > Sent: Saturday, December 14, 2013 4:15 AM
> > To: [email protected]
> > Cc: Kirsher, Jeffrey T; Brandeburg, Jesse; Allan, Bruce W; Wyborny, Carolyn;
> > Skidmore, Donald C; Rose, Gregory V; Waskiewicz Jr, Peter P; Duyck, 
> > Alexander
> > H; Ronciak, John; Dave, Tushar N; Abodunrin, Akeem G; Vick, Matthew; e1000-
> > [email protected]; [email protected]; [email protected]
> > Subject: [PATCH v2 1/9] drivers: net: Remove unused function
> > igb_get_eee_status_i354() in e1000_82575.c
> > 
> > This patch removes the function igb_get_eee_status_i354() in e1000_82575.c
> > because it is unused.
> > 
> > It thus eliminates the following warning in
> > ethernet/intel/igb/e1000_82575.c:
> > drivers/net/ethernet/intel/igb/e1000_82575.c:2591:5: warning: no previous
> > prototype for ‘igb_get_eee_status_i354’ [-Wmissing-prototypes]
> > 
> > Signed-off-by: Rashika Kheria <[email protected]>
> > Reviewed-by: Josh Triplett <[email protected]>
> > ---
> >  drivers/net/ethernet/intel/igb/e1000_82575.c |   32 
> > --------------------------
> >  1 file changed, 32 deletions(-)
> > 
> > diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c
> > b/drivers/net/ethernet/intel/igb/e1000_82575.c
> > index 47c2d10..18e5200 100644
> > --- a/drivers/net/ethernet/intel/igb/e1000_82575.c
> > +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
> > @@ -2580,38 +2580,6 @@ out:
> >     return ret_val;
> >  }
> > 
> > -/**
> > - *  igb_get_eee_status_i354 - Get EEE status
> > - *  @hw: pointer to the HW structure
> > - *  @status: EEE status
> > - *
> > - *  Get EEE status by guessing based on whether Tx or Rx LPI indications 
> > have
> > - *  been received.
> > - **/
> > -s32 igb_get_eee_status_i354(struct e1000_hw *hw, bool *status) -{
> > -   struct e1000_phy_info *phy = &hw->phy;
> > -   s32 ret_val = 0;
> > -   u16 phy_data;
> > -
> > -   /* Check if EEE is supported on this device. */
> > -   if ((hw->phy.media_type != e1000_media_type_copper) ||
> > -       (phy->id != M88E1543_E_PHY_ID))
> > -           goto out;
> > -
> > -   ret_val = igb_read_xmdio_reg(hw, E1000_PCS_STATUS_ADDR_I354,
> > -                                E1000_PCS_STATUS_DEV_I354,
> > -                                &phy_data);
> > -   if (ret_val)
> > -           goto out;
> > -
> > -   *status = phy_data & (E1000_PCS_STATUS_TX_LPI_RCVD |
> > -                         E1000_PCS_STATUS_RX_LPI_RCVD) ? true : false;
> > -
> > -out:
> > -   return ret_val;
> > -}
> > -
> >  static const u8 e1000_emc_temp_data[4] = {
> >     E1000_EMC_INTERNAL_DATA,
> >     E1000_EMC_DIODE1_DATA,
> > --
> > 1.7.9.5
> 
> NACK.
> 
> Thanks for the patch Rashika, but this is the incorrect fix for this
> warning  The function is called in the igb_probe function, so you
> cannot remove it and I see the prototype in the e1000_82575.h file.
> Can you double check your source pull?

>From top-of-tree linux.git:

~/src/linux$ git grep igb_get_eee_status_i354
drivers/net/ethernet/intel/igb/e1000_82575.c: *  igb_get_eee_status_i354 - Get 
EEE status
drivers/net/ethernet/intel/igb/e1000_82575.c:s32 igb_get_eee_status_i354(struct 
e1000_hw *hw, bool *status)

A comment and the function itself; no other references.  In what tree
are you seeing a reference to igb_get_eee_status_i354?

- Josh Triplett
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