RELENG_7_1: bce driver change generating too much interrupts ?
Dmitry Sivachenko
demon at freebsd.org
Wed Dec 3 01:02:31 PST 2008
On Tue, Dec 02, 2008 at 04:44:46PM -0800, Xin LI wrote:
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> Hi guys,
>
> I think I got a real fix.
>
I tried that patch with very recent 7-STABLE.
I does fix the problem for me.
Thanks a lot!
> Cheers,
> - --
> Xin LI <delphij at delphij.net> http://www.delphij.net/
> FreeBSD - The Power to Serve!
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> Index: if_bce.c
> ===================================================================
> --- if_bce.c (revision 185565)
> +++ if_bce.c (working copy)
> @@ -7030,13 +7030,14 @@
>
> /* Was it a link change interrupt? */
> if ((status_attn_bits & STATUS_ATTN_BITS_LINK_STATE) !=
> - (sc->status_block->status_attn_bits_ack & STATUS_ATTN_BITS_LINK_STATE))
> + (sc->status_block->status_attn_bits_ack & STATUS_ATTN_BITS_LINK_STATE)) {
> bce_phy_intr(sc);
>
> - /* Clear any transient status updates during link state change. */
> - REG_WR(sc, BCE_HC_COMMAND,
> - sc->hc_command | BCE_HC_COMMAND_COAL_NOW_WO_INT);
> - REG_RD(sc, BCE_HC_COMMAND);
> + /* Clear any transient status updates during link state change. */
> + REG_WR(sc, BCE_HC_COMMAND,
> + sc->hc_command | BCE_HC_COMMAND_COAL_NOW_WO_INT);
> + REG_RD(sc, BCE_HC_COMMAND);
> + }
>
> /* If any other attention is asserted then the chip is toast. */
> if (((status_attn_bits & ~STATUS_ATTN_BITS_LINK_STATE) !=
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