Re: linux-next: manual merge of the usb tree with the sound tree

From: Takashi Iwai
Date: Fri May 21 2010 - 02:19:59 EST


At Fri, 21 May 2010 07:45:35 +0200,
I wrote:
>
> At Fri, 21 May 2010 10:39:40 +1000,
> Stephen Rothwell wrote:
> >
> > Hi Greg, Takashi,
> >
> > On Fri, 30 Apr 2010 07:59:14 +0200 Daniel Mack <daniel@xxxxxxxx> wrote:
> > >
> > > On Fri, Apr 30, 2010 at 03:51:34PM +1000, Stephen Rothwell wrote:
> > > > Today's linux-next merge of the usb tree got a conflict in
> > > > sound/usb/usbaudio.c between commit
> > > > e5779998bf8b70e48a6cc208c8b61b33bd6117ea ("ALSA: usb-audio: refactor
> > > > code") from the sound tree and commit
> > > > 3cc96f50329227fbf34de2459491901b6ee1c98c ("USB: rename usb_buffer_alloc()
> > > > and usb_buffer_free() users") from the usb tree.
> > > >
> > > > The former moved the relevant code from usbaudio.c to urb.c, so I applied
> > > > the changes from the latter to that (see below).
> > >
> > > Oops, yes. Ironically, these are both my patches.
> > > Thanks for fixing this up, Stephen.
> >
> > The sound tree has now been merged int Linus', so this patch needs to be
> > applied to the usb tree before it is merged into Linus'. This patch can
> > be applied to Linus' tree right now, as usb_free_coherent() already
> > exists there.
> >
> > Here is the patch again:
> >
> > From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> > Date: Fri, 30 Apr 2010 14:44:54 +1000
> > Subject: [PATCH] sound: fixup for usb_buffer_alloc/free rename
> >
> > Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
>
> Thanks for heading up! Greg, please merge it to usb tree.

Ah, Linus already picked it up manually. Disregard my comment above.

Thanks!


Takashi

>
> Acked-by: Takashi Iwai <tiwai@xxxxxxx>
>
>
> Takashi
>
> > ---
> > sound/usb/urb.c | 10 +++++-----
> > 1 files changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/sound/usb/urb.c b/sound/usb/urb.c
> > index 5570a2b..de607d4 100644
> > --- a/sound/usb/urb.c
> > +++ b/sound/usb/urb.c
> > @@ -101,7 +101,7 @@ static void release_urb_ctx(struct snd_urb_ctx *u)
> > {
> > if (u->urb) {
> > if (u->buffer_size)
> > - usb_buffer_free(u->subs->dev, u->buffer_size,
> > + usb_free_coherent(u->subs->dev, u->buffer_size,
> > u->urb->transfer_buffer,
> > u->urb->transfer_dma);
> > usb_free_urb(u->urb);
> > @@ -154,7 +154,7 @@ void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force)
> > release_urb_ctx(&subs->dataurb[i]);
> > for (i = 0; i < SYNC_URBS; i++)
> > release_urb_ctx(&subs->syncurb[i]);
> > - usb_buffer_free(subs->dev, SYNC_URBS * 4,
> > + usb_free_coherent(subs->dev, SYNC_URBS * 4,
> > subs->syncbuf, subs->sync_dma);
> > subs->syncbuf = NULL;
> > subs->nurbs = 0;
> > @@ -308,8 +308,8 @@ int snd_usb_init_substream_urbs(struct snd_usb_substream *subs,
> > if (!u->urb)
> > goto out_of_memory;
> > u->urb->transfer_buffer =
> > - usb_buffer_alloc(subs->dev, u->buffer_size, GFP_KERNEL,
> > - &u->urb->transfer_dma);
> > + usb_alloc_coherent(subs->dev, u->buffer_size,
> > + GFP_KERNEL, &u->urb->transfer_dma);
> > if (!u->urb->transfer_buffer)
> > goto out_of_memory;
> > u->urb->pipe = subs->datapipe;
> > @@ -321,7 +321,7 @@ int snd_usb_init_substream_urbs(struct snd_usb_substream *subs,
> >
> > if (subs->syncpipe) {
> > /* allocate and initialize sync urbs */
> > - subs->syncbuf = usb_buffer_alloc(subs->dev, SYNC_URBS * 4,
> > + subs->syncbuf = usb_alloc_coherent(subs->dev, SYNC_URBS * 4,
> > GFP_KERNEL, &subs->sync_dma);
> > if (!subs->syncbuf)
> > goto out_of_memory;
> > --
> > 1.7.1
> >
> >
> > --
> > Cheers,
> > Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
> > http://www.canb.auug.org.au/~sfr/
> >
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