From: Sekhar Nori <nsekhar@ti.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: "Porter, Matt" <mporter@ti.com>,
alsa-devel@alsa-project.org, sudhakar.raj@ti.com,
tony@atomide.com, davinci-linux-open-source@linux.davincidsp.com,
"Hebbar, Gururaja" <gururaja.hebbar@ti.com>,
lrg@ti.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/3] ASoC: Davinci: pcm: add support for sram-support-less platforms
Date: Tue, 2 Oct 2012 14:07:20 +0530 [thread overview]
Message-ID: <506AA7C0.5080300@ti.com> (raw)
In-Reply-To: <20120922153313.GN4495@opensource.wolfsonmicro.com>
Hi Mark,
On 9/22/2012 9:03 PM, Mark Brown wrote:
> On Fri, Aug 31, 2012 at 06:20:58PM +0530, Hebbar, Gururaja wrote:
>
>> +config SND_DAVINCI_HAVE_SRAM
>> + bool
>> + default y if ARCH_DAVINCI=y
>> + default n if ARCH_OMAP=y
>> +
>
> I've been sitting on this mostly since it seems like a step back from
> multi-platform kernels (which is where we're trying to get to) and I've
> been trying to decide what the best approach is. I'm thinking that we
> do want a generic API for allocating this stuff, it's a fairly generic
> feature (there's TCMs as well).
>
> Adding ifdefs like this does just doesn't seem good.
How about converting to use genalloc instead of the DaVinci private SRAM
API and passing the pool to be used via platform data?
Matt Porter just used this approach to make the uio PRUSS driver usable
on both DaVinci and AM335x. It suffered from the exact same problem.
https://patchwork.kernel.org/patch/1522481/
Thanks,
Sekhar
WARNING: multiple messages have this Message-ID (diff)
From: nsekhar@ti.com (Sekhar Nori)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] ASoC: Davinci: pcm: add support for sram-support-less platforms
Date: Tue, 2 Oct 2012 14:07:20 +0530 [thread overview]
Message-ID: <506AA7C0.5080300@ti.com> (raw)
In-Reply-To: <20120922153313.GN4495@opensource.wolfsonmicro.com>
Hi Mark,
On 9/22/2012 9:03 PM, Mark Brown wrote:
> On Fri, Aug 31, 2012 at 06:20:58PM +0530, Hebbar, Gururaja wrote:
>
>> +config SND_DAVINCI_HAVE_SRAM
>> + bool
>> + default y if ARCH_DAVINCI=y
>> + default n if ARCH_OMAP=y
>> +
>
> I've been sitting on this mostly since it seems like a step back from
> multi-platform kernels (which is where we're trying to get to) and I've
> been trying to decide what the best approach is. I'm thinking that we
> do want a generic API for allocating this stuff, it's a fairly generic
> feature (there's TCMs as well).
>
> Adding ifdefs like this does just doesn't seem good.
How about converting to use genalloc instead of the DaVinci private SRAM
API and passing the pool to be used via platform data?
Matt Porter just used this approach to make the uio PRUSS driver usable
on both DaVinci and AM335x. It suffered from the exact same problem.
https://patchwork.kernel.org/patch/1522481/
Thanks,
Sekhar
next prev parent reply other threads:[~2012-10-02 8:37 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-31 12:50 [PATCH 0/3] ASoC: Davinci: McASP: add support new McASP IP Variant Hebbar, Gururaja
2012-08-31 12:50 ` Hebbar, Gururaja
2012-08-31 12:50 ` [PATCH 1/3] " Hebbar, Gururaja
2012-08-31 12:50 ` Hebbar, Gururaja
2012-09-01 0:44 ` Mark Brown
2012-09-01 0:44 ` Mark Brown
2012-09-03 6:57 ` Hebbar, Gururaja
2012-09-03 6:57 ` Hebbar, Gururaja
2012-09-05 4:01 ` Mark Brown
2012-09-05 4:01 ` Mark Brown
2012-08-31 12:50 ` [PATCH 2/3] ASoC: Davinci: pcm: add support for sram-support-less platforms Hebbar, Gururaja
2012-08-31 12:50 ` Hebbar, Gururaja
2012-09-12 7:50 ` Hebbar, Gururaja
2012-09-12 7:50 ` Hebbar, Gururaja
2012-09-12 7:52 ` Mark Brown
2012-09-12 7:52 ` Mark Brown
2012-09-22 15:33 ` Mark Brown
2012-09-22 15:33 ` Mark Brown
2012-09-27 6:57 ` Hebbar, Gururaja
2012-09-27 6:57 ` Hebbar, Gururaja
[not found] ` <1BAFE6F6C881BF42822005164F1491C33EA92A1D-Er742YJ7I/eIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2012-10-01 15:54 ` Mark Brown
2012-10-01 15:54 ` Mark Brown
2012-10-02 7:48 ` Peter Ujfalusi
2012-10-02 7:48 ` [alsa-devel] " Peter Ujfalusi
2012-10-02 9:37 ` Mark Brown
2012-10-02 9:37 ` [alsa-devel] " Mark Brown
2012-10-02 10:33 ` Daniel Mack
2012-10-02 10:33 ` [alsa-devel] " Daniel Mack
2012-10-02 11:06 ` Sekhar Nori
2012-10-02 11:06 ` Sekhar Nori
2012-10-02 13:42 ` Daniel Mack
2012-10-02 13:42 ` Daniel Mack
[not found] ` <506AEF57.2000306-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-02 16:41 ` Matt Porter
2012-10-02 16:41 ` Matt Porter
2012-10-02 16:50 ` Daniel Mack
2012-10-02 16:50 ` [alsa-devel] " Daniel Mack
[not found] ` <506B1B46.2070006-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-02 17:28 ` Matt Porter
2012-10-02 17:28 ` Matt Porter
2012-10-04 9:21 ` Daniel Mack
2012-10-04 9:21 ` [alsa-devel] " Daniel Mack
[not found] ` <506D552A.2000506-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-04 9:38 ` Porter, Matt
2012-10-04 9:38 ` Porter, Matt
2012-10-04 9:57 ` Daniel Mack
2012-10-04 9:57 ` [alsa-devel] " Daniel Mack
[not found] ` <506D5D8A.7030902-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-04 10:28 ` Matt Porter
2012-10-04 10:28 ` Matt Porter
2012-10-04 11:11 ` Daniel Mack
2012-10-04 11:11 ` [alsa-devel] " Daniel Mack
2012-10-02 16:30 ` Matt Porter
2012-10-02 16:30 ` Matt Porter
[not found] ` <506A9C65.5040309-l0cyMroinI0@public.gmane.org>
2012-10-02 16:28 ` Matt Porter
2012-10-02 16:28 ` Matt Porter
2012-10-02 8:37 ` Sekhar Nori [this message]
2012-10-02 8:37 ` Sekhar Nori
2012-08-31 12:50 ` [PATCH 3/3] ASoC: Davinci: evm: Fix typo in cpu dai name Hebbar, Gururaja
2012-08-31 12:50 ` Hebbar, Gururaja
2012-09-01 0:47 ` Mark Brown
2012-09-01 0:47 ` Mark Brown
2012-10-02 22:28 ` [alsa-devel] [PATCH 0/3] ASoC: Davinci: McASP: add support new McASP IP Variant Daniel Mack
2012-10-02 22:28 ` Daniel Mack
[not found] ` <506B6A9D.3090100-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-03 7:16 ` Hebbar, Gururaja
2012-10-03 7:16 ` Hebbar, Gururaja
2012-10-03 11:16 ` Daniel Mack
2012-10-03 11:16 ` [alsa-devel] " Daniel Mack
[not found] ` <506C1E97.1070700-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-03 12:57 ` Hebbar, Gururaja
2012-10-03 12:57 ` Hebbar, Gururaja
2012-10-03 14:07 ` Daniel Mack
2012-10-03 14:07 ` [alsa-devel] " Daniel Mack
[not found] ` <506C46AD.1090807-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-04 19:50 ` Matt Porter
2012-10-04 19:50 ` Matt Porter
2012-11-25 10:26 ` Yegor Yefremov
2012-11-25 10:26 ` [alsa-devel] " Yegor Yefremov
2012-11-26 11:32 ` Hebbar, Gururaja
2012-11-26 11:32 ` [alsa-devel] " Hebbar, Gururaja
2012-11-26 11:35 ` Mark Brown
2012-11-26 11:35 ` [alsa-devel] " Mark Brown
[not found] ` <20121126113521.GD9411-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2012-11-26 11:42 ` Hebbar, Gururaja
2012-11-26 11:42 ` Hebbar, Gururaja
2012-11-26 11:57 ` Mark Brown
2012-11-26 11:57 ` Mark Brown
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