Re: Fixing rt2500pci [PATCH]

From: Ivo van Doorn
Date: Thu Jul 31 2008 - 03:00:27 EST


On Thursday 31 July 2008, Peter Chubb wrote:
>
> In kernel version 2.6.26-rc9 my wireless LAN card worked; but in the
> released 2.6.26, my RaLink rt2500 card wouldn't associate.
>
> Git-bisect led me to this patch:
>
> 61486e0f68d1f8966c09b734566a187d42d65c54
> rt2x00: Remove ieee80211_tx_control argument from write_tx_desc()
>
> I believe that there is a problem with that patch --- it
> (inadvertantly) removes an extra line of code, that used to set the
> DATABYTE_COUNT field.
>
> This patch reinstates that line, and with it my card works again.
>
> Signed-off-by: Peter Chubb <peterc@xxxxxxxxxxxxxxxxxx>
> Acked-by: Ivo van Doorn <IvDoorn@xxxxxxxxx>

Thanks,

John, please push this patch upstream. This one is really important. :)

> diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
> index 1724ce9..4ba2165 100644
> --- a/drivers/net/wireless/rt2x00/rt2500pci.c
> +++ b/drivers/net/wireless/rt2x00/rt2500pci.c
> @@ -1198,6 +1198,7 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev,
> rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
> rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
> test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
> + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
> rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE);
> rt2x00_desc_write(txd, 0, word);
> }
>
> --
> Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au
> http://www.ertos.nicta.com.au ERTOS within National ICT Australia
> --
> Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au
> http://www.ertos.nicta.com.au ERTOS within National ICT Australia
>


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/