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

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Date:	Fri, 21 May 2010 07:45:35 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Greg KH <greg@...ah.com>, Daniel Mack <daniel@...aq.de>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Linus <torvalds@...ux-foundation.org>
Subject: Re: linux-next: manual merge of the usb tree with the sound tree

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@...aq.de> 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@...b.auug.org.au>
> 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@...b.auug.org.au>

Thanks for heading up!  Greg, please merge it to usb tree.

Acked-by: Takashi Iwai <tiwai@...e.de>


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@...b.auug.org.au
> http://www.canb.auug.org.au/~sfr/
> 
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