From: Mark Brown <broonie@kernel.org>
To: Koro Chen <koro.chen@mediatek.com>
Cc: robh+dt@kernel.org, matthias.bgg@gmail.com, perex@perex.cz,
tiwai@suse.de, srv_heupstream@mediatek.com,
linux-mediatek@lists.infradead.org, s.hauer@pengutronix.de,
galak@codeaurora.org, lgirdwood@gmail.com,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org
Subject: Re: [RESEND RFC PATCH 3/3] ASoC: mediatek: Add AFE platform driver
Date: Tue, 21 Apr 2015 11:05:15 +0100 [thread overview]
Message-ID: <20150421100515.GB22845@sirena.org.uk> (raw)
In-Reply-To: <1429583233.14794.40.camel@mtksdaap41>
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On Tue, Apr 21, 2015 at 10:27:13AM +0800, Koro Chen wrote:
> The SRAM size to be used is defined by params_buffer_bytes(params), not
> fixed (of course limited by the actual available SRAM size on HW), so
> the latency should be the same compared to a DRAM having the same size.
Right, some systems have the SRAM as essentially a big FIFO but this
doesn't have that problem.
> The SRAM can be used by any memif, and that's why the plan was let DT
> make the decision.
OK, if it's for any interface rather than just DL1 like Sascha said then
it does need to be selectable, but DT doesn't seem the platce to do it.
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From: broonie@kernel.org (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [RESEND RFC PATCH 3/3] ASoC: mediatek: Add AFE platform driver
Date: Tue, 21 Apr 2015 11:05:15 +0100 [thread overview]
Message-ID: <20150421100515.GB22845@sirena.org.uk> (raw)
In-Reply-To: <1429583233.14794.40.camel@mtksdaap41>
On Tue, Apr 21, 2015 at 10:27:13AM +0800, Koro Chen wrote:
> The SRAM size to be used is defined by params_buffer_bytes(params), not
> fixed (of course limited by the actual available SRAM size on HW), so
> the latency should be the same compared to a DRAM having the same size.
Right, some systems have the SRAM as essentially a big FIFO but this
doesn't have that problem.
> The SRAM can be used by any memif, and that's why the plan was let DT
> make the decision.
OK, if it's for any interface rather than just DL1 like Sascha said then
it does need to be selectable, but DT doesn't seem the platce to do it.
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next prev parent reply other threads:[~2015-04-21 10:05 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-10 8:14 [RESEND RFC PATCH 0/3] ASoC: Mediatek: Add support for MT8173 SOC Koro Chen
2015-04-10 8:14 ` [RESEND RFC PATCH 1/3] ASoC: mediatek: Add binding support for AFE driver Koro Chen
2015-04-18 17:34 ` Mark Brown
2015-04-18 17:34 ` Mark Brown
2015-04-20 4:37 ` Sascha Hauer
2015-04-20 4:37 ` Sascha Hauer
2015-04-20 4:37 ` Sascha Hauer
2015-04-20 20:48 ` Mark Brown
2015-04-20 20:48 ` Mark Brown
2015-04-20 20:48 ` Mark Brown
2015-04-21 9:49 ` Sascha Hauer
2015-04-21 9:49 ` Sascha Hauer
2015-04-21 9:49 ` Sascha Hauer
2015-04-21 10:14 ` Mark Brown
2015-04-21 10:14 ` Mark Brown
2015-04-21 10:15 ` Koro Chen
2015-04-21 10:15 ` Koro Chen
2015-04-21 10:15 ` Koro Chen
2015-04-21 10:56 ` Mark Brown
2015-04-21 10:56 ` Mark Brown
2015-04-22 3:17 ` Koro Chen
2015-04-22 3:17 ` Koro Chen
2015-04-22 3:17 ` Koro Chen
2015-04-30 20:12 ` Mark Brown
2015-04-30 20:12 ` Mark Brown
2015-04-30 20:12 ` Mark Brown
2015-05-04 1:57 ` Koro Chen
2015-05-04 1:57 ` Koro Chen
2015-05-04 1:57 ` Koro Chen
2015-04-10 8:14 ` [RESEND RFC PATCH 2/3] ASoC: mediatek: Add AFE connection control Koro Chen
2015-04-18 17:37 ` Mark Brown
2015-04-18 17:37 ` Mark Brown
2015-04-18 17:37 ` Mark Brown
2015-04-20 4:50 ` Sascha Hauer
2015-04-20 4:50 ` Sascha Hauer
2015-04-20 4:50 ` Sascha Hauer
2015-04-20 20:52 ` Mark Brown
2015-04-20 20:52 ` Mark Brown
2015-04-20 20:52 ` Mark Brown
2015-04-21 5:50 ` Sascha Hauer
2015-04-21 5:50 ` Sascha Hauer
2015-04-21 5:50 ` Sascha Hauer
2015-04-21 10:15 ` Mark Brown
2015-04-21 10:15 ` Mark Brown
2015-04-21 10:15 ` Mark Brown
2015-04-10 8:14 ` [RESEND RFC PATCH 3/3] ASoC: mediatek: Add AFE platform driver Koro Chen
2015-04-18 17:51 ` Mark Brown
2015-04-18 17:51 ` Mark Brown
2015-04-20 6:22 ` Koro Chen
2015-04-20 6:22 ` Koro Chen
2015-04-20 6:22 ` Koro Chen
2015-04-20 20:55 ` Mark Brown
2015-04-20 20:55 ` Mark Brown
2015-04-20 20:55 ` Mark Brown
2015-04-21 2:27 ` Koro Chen
2015-04-21 2:27 ` Koro Chen
2015-04-21 2:27 ` Koro Chen
2015-04-21 10:05 ` Mark Brown [this message]
2015-04-21 10:05 ` Mark Brown
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