From: Mark Brown <broonie@kernel.org>
To: luhua xu <luhua.xu@mediatek.com>
Cc: wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org,
linux-spi@vger.kernel.org, linux-mediatek@lists.infradead.org,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/1] spi: mediatek: add power control when set_cs
Date: Thu, 24 Oct 2019 11:23:46 +0100 [thread overview]
Message-ID: <20191024102346.GB5207@sirena.co.uk> (raw)
In-Reply-To: <1571898319.4311.3.camel@mbjsdccf07>
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On Thu, Oct 24, 2019 at 02:25:19PM +0800, luhua xu wrote:
> Spi framework provideds spi_setup() to modify spi settings for spi
> device (maybe spi is runtime idle now), and this will call
> spi_controller->set_cs() accessing registers.
OK, so fix that so it takes the power at the setup() level then.
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: luhua xu <luhua.xu@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
wsd_upstream@mediatek.com
Subject: Re: [PATCH 1/1] spi: mediatek: add power control when set_cs
Date: Thu, 24 Oct 2019 11:23:46 +0100 [thread overview]
Message-ID: <20191024102346.GB5207@sirena.co.uk> (raw)
In-Reply-To: <1571898319.4311.3.camel@mbjsdccf07>
[-- Attachment #1: Type: text/plain, Size: 304 bytes --]
On Thu, Oct 24, 2019 at 02:25:19PM +0800, luhua xu wrote:
> Spi framework provideds spi_setup() to modify spi settings for spi
> device (maybe spi is runtime idle now), and this will call
> spi_controller->set_cs() accessing registers.
OK, so fix that so it takes the power at the setup() level then.
[-- Attachment #2: signature.asc --]
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: luhua xu <luhua.xu@mediatek.com>
Cc: wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org,
linux-spi@vger.kernel.org, linux-mediatek@lists.infradead.org,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/1] spi: mediatek: add power control when set_cs
Date: Thu, 24 Oct 2019 11:23:46 +0100 [thread overview]
Message-ID: <20191024102346.GB5207@sirena.co.uk> (raw)
In-Reply-To: <1571898319.4311.3.camel@mbjsdccf07>
[-- Attachment #1.1: Type: text/plain, Size: 304 bytes --]
On Thu, Oct 24, 2019 at 02:25:19PM +0800, luhua xu wrote:
> Spi framework provideds spi_setup() to modify spi settings for spi
> device (maybe spi is runtime idle now), and this will call
> spi_controller->set_cs() accessing registers.
OK, so fix that so it takes the power at the setup() level then.
[-- Attachment #1.2: signature.asc --]
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[-- Attachment #2: Type: text/plain, Size: 176 bytes --]
_______________________________________________
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-10-24 10:24 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 12:38 [PATCH 0/1] Add spi power control when set cs Luhua Xu
2019-10-23 12:38 ` Luhua Xu
2019-10-23 12:38 ` Luhua Xu
2019-10-23 12:38 ` [PATCH 1/1] spi: mediatek: add power control when set_cs Luhua Xu
2019-10-23 12:38 ` Luhua Xu
2019-10-23 12:38 ` Luhua Xu
2019-10-23 12:38 ` Luhua Xu
2019-10-23 15:11 ` Mark Brown
2019-10-23 15:11 ` Mark Brown
2019-10-23 15:11 ` Mark Brown
2019-10-24 6:25 ` luhua xu
2019-10-24 6:25 ` luhua xu
2019-10-24 6:25 ` luhua xu
2019-10-24 10:11 ` luhua xu
2019-10-24 10:11 ` luhua xu
2019-10-24 10:11 ` luhua xu
2019-10-24 11:19 ` Mark Brown
2019-10-24 11:19 ` Mark Brown
2019-10-24 11:19 ` Mark Brown
2019-10-24 10:23 ` Mark Brown [this message]
2019-10-24 10:23 ` Mark Brown
2019-10-24 10:23 ` Mark Brown
2019-10-23 15:11 ` [PATCH 0/1] Add spi power control when set cs Mark Brown
2019-10-23 15:11 ` Mark Brown
2019-10-23 15:11 ` Mark Brown
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