> Commit 6833c043f9fc03696fde623914c4a0277df2a0bc introduced the phy
> auto-powerdown capability. While the APD feature only works for 5761
> and 5784 asic revisions, the (harmless portion of the) code was applied
> to all 5705 and newer devices. However, the 5906 phy departs from the
> usual design. This commit was interfering with the 5906's ability to
> negotiate link against some switches. This patch corrects the problem.
>
> Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
> Signed-off-by: Benjamin Li <benli@broadcom.com>
> Signed-off-by: Michael Chan <mchan@broadcom.com>
> ---
> drivers/net/tg3.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
> index 67630fb..c7bbbb1 100644
> --- a/drivers/net/tg3.c
> +++ b/drivers/net/tg3.c
> @@ -1473,7 +1473,8 @@ static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable)
> {
> u32 reg;
>
> - if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
> + if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
> + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
> return;
>
> reg = MII_TG3_MISC_SHDW_WREN |
> --
> 1.6.0.6
>
>
> --
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