linux-kernel - Re: [PATCH] ALSA: remove deprecated use of pci api

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Date:	Thu, 16 Apr 2015 12:22:05 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Quentin Lambert <lambert.quentin@...il.com>
Cc:	Thibaut Varene <T-Bone@...isc-linux.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Jaya Kumar <jayakumar.alsa@...il.com>,
	linux-parisc@...r.kernel.org, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] ALSA: remove deprecated use of pci api

At Wed, 15 Apr 2015 16:10:17 +0200,
Quentin Lambert wrote:
> 
> Replace occurences of the pci api by appropriate call to the dma api.
> 
> A simplified version of the semantic patch that finds this problem is as
> follows: (http://coccinelle.lip6.fr)
> 
> @deprecated@
> idexpression id;
> position p;
> @@
> 
> (
>   pci_dma_supported@p ( id, ...)
> |
>   pci_alloc_consistent@p ( id, ...)
> )
> 
> @bad1@
> idexpression id;
> position deprecated.p;
> @@
> ...when != &id->dev
>    when != pci_get_drvdata ( id )
>    when != pci_enable_device ( id )
> (
>   pci_dma_supported@p ( id, ...)
> |
>   pci_alloc_consistent@p ( id, ...)
> )
> 
> @depends on !bad1@
> idexpression id;
> expression direction;
> position deprecated.p;
> @@
> 
> (
> - pci_dma_supported@p ( id,
> + dma_supported ( &id->dev,
> ...
> + , GFP_ATOMIC
>   )
> |
> - pci_alloc_consistent@p ( id,
> + dma_alloc_coherent ( &id->dev,
> ...
> + , GFP_ATOMIC
>   )
> )
> 
> Signed-off-by: Quentin Lambert <lambert.quentin@...il.com>

Thanks, applied to for-4.2 branch.


Takashi
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