[rt2x00-users] rt2800pci: interrupt handling and tx status handling

[Helmut Schaa]

Am Dienstag 07 September 2010 schrieb Helmut Schaa:
> Am Dienstag 07 September 2010 schrieb Ivo Van Doorn:
> > On Tue, Sep 7, 2010 at 3:46 PM, Helmut Schaa
> > <helmut.schaa at googlemail.com> wrote:
> > > Am Dienstag 07 September 2010 schrieb Ivo Van Doorn:
> > >> > So, I just switched to using a tasklet (just for tx status processing) as
> > >> > a tasklet can be scheduled multiple times. So the code would look like the
> > >> > following:
> > >>
> > >> tasklets, nice, remember the problems I had with rt2800usb when I
> > >> switched them to tasklets?
> > >
> > > Yeah, I know, but wasn't that due to some USB stuff that can sleep?
> > > The only thing I'm doing in the tasklet is reading the kfifo and calling
> > > txdone for the appropriate frames.
> > 
> > Yeah, it was something with register reading or the mac80211 RX function.
> > Not sure anymore.
> 
> Ah, right, I guess it was because reading registers on USB devices can sleep :(

Which registers need to be read on txdone despite TX_STA_FIFO?

Helmut