On Wed, Aug 14, 2019 at 4:01 PM Bin Meng <bmeng...@gmail.com> wrote:
>
> This reverts commit 1b0c9914cc75d1570359181ebd493cd5746cb0ed.
>
> Commit 1b0c9914cc75 ("net: macb: Fixed reading MII_LPA register")
> causes 100Mbps does not work any more with SiFive FU540 GEM on the
> HiFive Unleashed board. Revert it.
>
> Signed-off-by: Bin Meng <bmeng...@gmail.com>
> ---
>
> drivers/net/macb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/macb.c b/drivers/net/macb.c
> index c99cf66..25f7913 100644
> --- a/drivers/net/macb.c
> +++ b/drivers/net/macb.c
> @@ -643,7 +643,7 @@ static int macb_phy_init(struct macb_device *macb, const
> char *name)
>
> /* First check for GMAC and that it is GiB capable */
> if (gem_is_gigabit_capable(macb)) {
> - lpa = macb_mdio_read(macb, MII_LPA);
> + lpa = macb_mdio_read(macb, MII_STAT1000);
You can do this selectively by having boolean flag in macb_config which is
only set for SiFive Unleashed.
Regards,
Anup
>
> if (lpa & (LPA_1000FULL | LPA_1000HALF | LPA_1000XFULL |
> LPA_1000XHALF)) {
> --
> 2.7.4
>
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