Hi,
On Sun, Jun 19, 2011 at 7:47 PM, Stanislaw Gruszka <stf_xl@xxxxx> wrote:
> When module is reloaded, device may fail to work, with messages:
>
> [ 342.211926] phy40 -> rt2x00lib_rxdone_read_signal: Warning - Frame received with unrecognized signal, mode=0x0000, signal=0x0059, type=2.
> [ 342.314254] phy40 -> rt2x00lib_rxdone_read_signal: Warning - Frame received with unrecognized signal, mode=0x0000, signal=0x004a, type=2.
> [ 342.416458] phy40 -> rt2x00lib_rxdone: Warning - Wrong frame size 3183 max 2432.
> [ 342.518605] phy40 -> rt2x00lib_rxdone_read_signal: Warning - Frame received with unrecognized signal, mode=0x0000, signal=0x00c9, type=2.
> [ 342.620836] phy40 -> rt2x00lib_rxdone_read_signal: Warning - Frame received with unrecognized signal, mode=0x0000, signal=0x00ae, type=1.
> [ 342.723201] phy40 -> rt2x00lib_rxdone: Warning - Wrong frame size 0 max 2432.
> [ 342.825399] phy40 -> rt2x00lib_rxdone: Warning - Wrong frame size 0 max 2432.
> [ 342.927624] phy40 -> rt2x00lib_rxdone: Warning - Wrong frame size 0 max 2432.
> [ 343.029804] phy40 -> rt2x00lib_rxdone: Warning - Wrong frame size 2491 max 2432.
> [ 343.132008] phy40 -> rt2x00lib_rxdone: Warning - Wrong frame size 2576 max 2432.
> [ 343.234326] phy40 -> rt2x00lib_rxdone_read_signal: Warning - Frame received with unrecognized signal, mode=0x0000, signal=0x004c, type=1.
> [ 343.438723] phy40 -> rt2x00lib_rxdone_read_signal: Warning - Frame received with unrecognized signal, mode=0x0000, signal=0x00e6, type=1.
>
> Whereas replugging device make it functional. To solve that problem
> force reset device during probe.
>
> With patch messages are gone. Unfortunately device may sometimes
> still does not operate correctly after module reload (fail to receive
> data after associate), but such cases are rarer than without the patch.
>
> Signed-off-by: Stanislaw Gruszka <stf_xl@xxxxx>
Acked-by: Ivo van Doorn <IvDoorn@xxxxxxxxx>
> ---
> drivers/net/wireless/rt2x00/rt2x00usb.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
> index 8f90f62..b6b4542 100644
> --- a/drivers/net/wireless/rt2x00/rt2x00usb.c
> +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
> @@ -802,6 +802,7 @@ int rt2x00usb_probe(struct usb_interface *usb_intf,
> int retval;
>
> usb_dev = usb_get_dev(usb_dev);
> + usb_reset_device(usb_dev);
>
> hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
> if (!hw) {
> --
> 1.7.4
>
>
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