netdev - Re: [PATCH net-next 1/7] via-rhine: factor out tx

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Date:	Sun, 8 Jan 2012 05:41:49 +0100
From:	Bjarke Istrup Pedersen <gurligebis@...too.org>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	netdev@...r.kernel.org, rl@...lgate.ch,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH net-next 1/7] via-rhine: factor out tx_thresh handling

2012/1/7 Francois Romieu <romieu@...zoreil.com>:
> Signed-off-by: Francois Romieu <romieu@...zoreil.com>
> ---
>  drivers/net/ethernet/via/via-rhine.c |   17 ++++++++++++-----
>  1 files changed, 12 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
> index 5c4983b..93987e8 100644
> --- a/drivers/net/ethernet/via/via-rhine.c
> +++ b/drivers/net/ethernet/via/via-rhine.c
> @@ -657,6 +657,16 @@ static void rhine_poll(struct net_device *dev)
>  }
>  #endif
>
> +static void rhine_kick_tx_threshold(struct rhine_private *rp)
> +{
> +       if (rp->tx_thresh < 0xe0) {
> +               void __iomem *ioaddr = rp->base;
> +
> +               rp->tx_thresh += 0x20;
> +               BYTE_REG_BITS_SET(rp->tx_thresh, 0x80, ioaddr + TxConfig);
> +       }
> +}
> +
>  static int rhine_napipoll(struct napi_struct *napi, int budget)
>  {
>        struct rhine_private *rp = container_of(napi, struct rhine_private, napi);
> @@ -1910,8 +1920,7 @@ static void rhine_error(struct net_device *dev, int intr_status)
>                                    intr_status);
>        }
>        if (intr_status & IntrTxUnderrun) {
> -               if (rp->tx_thresh < 0xE0)
> -                       BYTE_REG_BITS_SET((rp->tx_thresh += 0x20), 0x80, ioaddr + TxConfig);
> +               rhine_kick_tx_threshold(rp);
>                if (debug > 1)
>                        netdev_info(dev, "Transmitter underrun, Tx threshold now %02x\n",
>                                    rp->tx_thresh);
> @@ -1923,9 +1932,7 @@ static void rhine_error(struct net_device *dev, int intr_status)
>        if ((intr_status & IntrTxError) &&
>            (intr_status & (IntrTxAborted |
>             IntrTxUnderrun | IntrTxDescRace)) == 0) {
> -               if (rp->tx_thresh < 0xE0) {
> -                       BYTE_REG_BITS_SET((rp->tx_thresh += 0x20), 0x80, ioaddr + TxConfig);
> -               }
> +               rhine_kick_tx_threshold(rp);
>                if (debug > 1)
>                        netdev_info(dev, "Unspecified error. Tx threshold now %02x\n",
>                                    rp->tx_thresh);
> --
> 1.7.6.4
>

Still net-next, or should they be applied on top of mainline 3.2? :)

/Bjarke
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