linux-kernel - Re: Natsemi DP83815 driver spaming

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Date:	Wed, 2 May 2007 13:48:55 -0700
From:	"Tim Hockin" <thockin@...kin.org>
To:	"Rafal Bilski" <rafalbilski@...eria.pl>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Mark Brown" <broonie@...ena.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: Natsemi DP83815 driver spaming

On 5/2/07, Rafal Bilski <rafalbilski@...eria.pl> wrote:

> What about module option?

Looks ok to me, if this is the preferred route.

> ---
>  drivers/net/natsemi.c |    9 ++++++++-
>  1 files changed, 8 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
> index 349b96a..933e106 100644
> --- a/drivers/net/natsemi.c
> +++ b/drivers/net/natsemi.c
> @@ -90,6 +90,10 @@ static int rx_copybreak;
>  static int options[MAX_UNITS];
>  static int full_duplex[MAX_UNITS];
>
> +/* Used to disable "is PHY alive" check for compatibility with broken
> + * designs using rev. C chips. */
> +static int disable_phy_check;
> +
>  /* Operational parameters that are set at compile time. */
>
>  /* Keep the ring sizes a power of two for compile efficiency.
> @@ -141,6 +145,7 @@ module_param(debug, int, 0);
>  module_param(rx_copybreak, int, 0);
>  module_param_array(options, int, NULL, 0);
>  module_param_array(full_duplex, int, NULL, 0);
> +module_param(disable_phy_check, int, 0);
>  MODULE_PARM_DESC(mtu, "DP8381x MTU (all boards)");
>  MODULE_PARM_DESC(debug, "DP8381x default debug level");
>  MODULE_PARM_DESC(rx_copybreak,
> @@ -148,6 +153,8 @@ MODULE_PARM_DESC(rx_copybreak,
>  MODULE_PARM_DESC(options,
>         "DP8381x: Bits 0-3: media type, bit 17: full duplex");
>  MODULE_PARM_DESC(full_duplex, "DP8381x full duplex setting(s) (1)");
> +MODULE_PARM_DESC(disable_phy_check, "DP8381[56]: PHY lockup check disable"
> +       " (all boards)");
>
>  /*
>                                 Theory of Operation
> @@ -1753,7 +1760,7 @@ static void netdev_timer(unsigned long data)
>                 writew(1, ioaddr+PGSEL);
>                 dspcfg = readw(ioaddr+DSPCFG);
>                 writew(0, ioaddr+PGSEL);
> -               if (dspcfg != np->dspcfg) {
> +               if (!disable_phy_check && dspcfg != np->dspcfg) {
>                         if (!netif_queue_stopped(dev)) {
>                                 spin_unlock_irq(&np->lock);
>                                 if (netif_msg_hw(np))
> --
-
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