From: Mark Brown <broonie@kernel.org>
To: Jerome Brunet <jbrunet@baylibre.com>
Cc: Jianxin Pan <jianxin.pan@amlogic.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Yixun Lan <yixun.lan@amlogic.com>,
linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Carlo Caione <carlo@caione.org>,
linux-amlogic@lists.infradead.org,
Sunny Luo <sunny.luo@amlogic.com>,
Xingyu Chen <xingyu.chen@amlogic.com>
Subject: Re: [PATCH v2 2/3] spi: meson-axg: enhance output enable feature
Date: Thu, 13 Dec 2018 11:53:45 +0000 [thread overview]
Message-ID: <20181213115345.GC10669@sirena.org.uk> (raw)
In-Reply-To: <af721e7a752ca468046de0a4ad1ac4a0c220360c.camel@baylibre.com>
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On Thu, Dec 13, 2018 at 10:04:56AM +0100, Jerome Brunet wrote:
> On Thu, 2018-12-13 at 16:39 +0800, Sunny Luo wrote:
> >
> > writel_bits_relaxed(BIT(24), BIT(24), spicc->base + SPICC_TESTREG);
> >
> > + meson_spicc_oen_enable(spicc);
> > +
> Any specific reason for doing this in prepare_message() ? It looks like
> something that could/should be done during the probe ?
If it's for power management then there should be a matching disable in
unprepare_message() (or this should just be in the runtime PM code,
though it's possible there's stuff that's only needed while actually
doing transfers in which case this could make sense).
Please delete unneeded context from mails when replying. Doing this
makes it much easier to find your reply in the message, helping ensure
it won't be missed by people scrolling through the irrelevant quoted
material.
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next prev parent reply other threads:[~2018-12-13 11:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-13 8:39 [PATCH v2 0/3] spi: meson-axg: add few enhanced features Sunny Luo
2018-12-13 8:39 ` [PATCH v2 1/3] spi: meson-axg: support MAX 80M clock Sunny Luo
2018-12-13 8:49 ` Neil Armstrong
2018-12-13 11:55 ` Sunny Luo
2018-12-13 8:39 ` [PATCH v2 2/3] spi: meson-axg: enhance output enable feature Sunny Luo
2018-12-13 8:53 ` Neil Armstrong
2018-12-13 13:12 ` Sunny Luo
2018-12-13 9:04 ` Jerome Brunet
2018-12-13 11:53 ` Mark Brown [this message]
2018-12-13 12:50 ` Sunny Luo
2018-12-13 13:31 ` Sunny Luo
2018-12-13 8:39 ` [PATCH v2 3/3] spi: meson-axg: add a linear clock divider support Sunny Luo
2018-12-13 8:55 ` Neil Armstrong
2018-12-13 9:28 ` Jerome Brunet
2018-12-13 14:37 ` Sunny Luo
2018-12-13 15:01 ` Jerome Brunet
2018-12-13 13:25 ` Sunny Luo
2018-12-15 18:31 ` kbuild test robot
2020-02-19 8:17 ` [PATCH v2 0/3] spi: meson-axg: add few enhanced features Neil Armstrong
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