2.4.18 and dmasound and rebooting

Michael R. Zucca mrz5149 at acm.org
Tue Mar 19 01:15:39 EST 2002


> Can you try this patch and tell me if it helps ?
>
> ===== drivers/sound/dmasound/dmasound_awacs.c 1.21 vs edited =====
> --- 1.21/drivers/sound/dmasound/dmasound_awacs.c        Tue Feb  5
>09:58:03 2002
> +++ edited/drivers/sound/dmasound/dmasound_awacs.c      Mon Mar  4
>11:32:36 2002
> @@ -963,7 +963,9 @@
>                         st_le16(&cp->res_count, 0);
>                         st_le16(&cp->xfer_status, 0);
>                         st_le32(&cp->phy_addr, phy);
> -                       st_le16(&cp->command, OUTPUT_MORE + INTR_ALWAYS);
> +                       st_le32(&cp->cmd_dep, virt_to_bus
> (&awacs_tx_cmds[(i+1)%write_sq.max_count]));
> +                       st_le16(&cp->command, OUTPUT_MORE | BR_ALWAYS |
>INTR_ALWAYS);
> +
>                        /* point at our patched up command block */
>                         out_le32(&awacs_txdma->cmdptr, virt_to_bus(cp));
>                        /* we must re-start the controller */

Ok, sorry for getting back so slowly.

I tried compiling this in and it worked great. It eliminated some popping
that would happen on the DMA-dead recovery before.

I haven't yet tried compiling this into a kernel module yet to see if it
fixes the problem of the kernel module version of this not working.

----------------------------------------------
 Michael Zucca - mrz5149 at acm.org
----------------------------------------------
 "I'm too old to use Emacs." -- Rod MacDonald
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