RE: [PATCH v2 1/9] drivers: net: Remove unused functionigb_get_eee_status_i354() in e1000_82575.c

From: Wyborny, Carolyn
Date: Mon Dec 16 2013 - 12:11:50 EST


> -----Original Message-----
> From: Rashika Kheria [mailto:rashika.kheria@xxxxxxxxx]
> Sent: Saturday, December 14, 2013 4:15 AM
> To: linux-kernel@xxxxxxxxxxxxxxx
> 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-
> devel@xxxxxxxxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; josh@xxxxxxxxxxxxxxxx
> 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 âigb_get_eee_status_i354â [-Wmissing-prototypes]
>
> Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx>
> Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> ---
> 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?

Thanks,

Carolyn

Carolyn Wyborny
Linux Development
Networking Division
Intel Corporation



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