[PATCH v2] ALSA: firewire: Replace tasklet with work
Takashi Iwai
tiwai at suse.de
Fri Sep 11 18:23:54 CEST 2020
On Thu, 10 Sep 2020 13:43:59 +0200,
Takashi Sakamoto wrote:
>
> Hi,
>
> On Wed, Sep 09, 2020 at 06:36:59PM +0200, Takashi Iwai wrote:
> > The tasklet is an old API that should be deprecated, usually can be
> > converted to another decent API. In FireWire driver, a tasklet is
> > still used for offloading the AMDTP PCM stream handling. It can be
> > achieved gracefully with a work queued, too.
> >
> > This patch replaces the tasklet usage in firewire-lib driver with a
> > simple work. The conversion is fairly straightforward but for the
> > in_interrupt() checks that are replaced with the check using the
> > current_work().
> >
> > Note that in_interrupt() in amdtp_packet tracepoint is still kept as
> > is. This is the place that is probed by both softirq of 1394 OHCI and
> > a user task of a PCM application, and the work handling is already
> > filtered in amdtp_domain_stream_pcm_pointer().
> >
> > Signed-off-by: Takashi Iwai <tiwai at suse.de>
> > ---
> > v1->v2: Drop in_interrupt() conversion in tracepoint
> >
> > sound/firewire/amdtp-stream.c | 25 +++++++++++++------------
> > sound/firewire/amdtp-stream.h | 2 +-
> > 2 files changed, 14 insertions(+), 13 deletions(-)
>
> The v2 patch looks good to me.
>
> Tested-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
> Acked-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
>
> Thanks for your work!
Thanks for a quick review. Now I applied it.
Takashi
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