On Wed, May 20, 2015 at 1:01 AM, Tim Harvey <thar...@gateworks.com> wrote:
> remove unnecessary clearing of SWSM.SWSM_SMBI when obtaining the SW
> semaphore. This was introduced in 951860634fdb557bbb58e0f99215391bc0c29779
> while adding i210 support and should be now resolved by releasing the
> semaphore when no longer needed.
>
> Cc: Marcel Ziswiler <mar...@ziswiler.com>
> Cc: Marek Vasut <ma...@denx.de>
> Cc: Aneesh Bansal <aneesh.ban...@freescale.com>
> Cc: Naveen Burmi <naveenbu...@freescale.com>
> Cc: Po Liu <po....@freescale.com>
> Cc: Bin Meng <bmeng...@gmail.com>
> Cc: Alison Wang <alison.w...@freescale.com>
> Cc: Reinhard Arlt <reinhard.a...@esd-electronics.com>
> Cc: Shengzhou Liu  <shengzhou....@freescale.com>
> Cc: York Sun <york...@freescale.com>
> Signed-off-by: Tim Harvey <thar...@gateworks.com>
> ---
>  drivers/net/e1000.c | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
> index f960024..a78ffc4 100644
> --- a/drivers/net/e1000.c
> +++ b/drivers/net/e1000.c
> @@ -996,10 +996,6 @@ e1000_get_software_semaphore(struct e1000_hw *hw)
>
>         DEBUGFUNC();
>
> -               swsm = E1000_READ_REG(hw, SWSM);
> -               swsm &= ~E1000_SWSM_SMBI;
> -               E1000_WRITE_REG(hw, SWSM, swsm);
> -
>         if (hw->mac_type != e1000_80003es2lan)
>                 return E1000_SUCCESS;
>
> --

Tested on QEMU v2.3.0

Tested-by: Bin Meng <bmeng...@gmail.com>
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