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From: Stephen Boyd <sboyd@kernel.org>
To: Alexandru Ardelean <alexandru.ardelean@analog.com>,
	linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-renesas-soc@vger.kernel.org
Cc: mturquette@baylibre.com, jsarha@ti.com, ce3a@gmx.de,
	geert+renesas@glider.be, horms@verge.net.au,
	magnus.damm@gmail.com, wsa+renesas@sang-engineering.com,
	Michael Hennerich <michael.hennerich@analog.com>,
	Alexandru Ardelean <alexandru.ardelean@analog.com>
Subject: Re: [PATCH v3] clk: clk-gpio: propagate rate change to parent
Date: Fri, 08 Nov 2019 13:08:53 -0800
Message-ID: <20191108210854.95C8C20869@mail.kernel.org> (raw)
In-Reply-To: <20191108071718.17985-1-alexandru.ardelean@analog.com>

Quoting Alexandru Ardelean (2019-11-07 23:17:18)
> From: Michael Hennerich <michael.hennerich@analog.com>
> 
> For an external clock source, which is gated via a GPIO, the
> rate change should typically be propagated to the parent clock.
> 
> The situation where we are requiring this propagation, is when an
> external clock is connected to override an internal clock (which typically
> has a fixed rate). The external clock can have a different rate than the
> internal one, and may also be variable, thus requiring the rate
> propagation.
> 
> This rate change wasn't propagated until now, and it's unclear about cases
> where this shouldn't be propagated. Thus, it's unclear whether this is
> fixing a bug, or extending the current driver behavior. Also, it's unsure
> about whether this may break any existing setups; in the case that it does,
> a device-tree property may be added to disable this flag.
> 
> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
> ---

Applied to clk-next

Next time please send as a new topic instead of a reply to the original
patch. Makes it easier for me to apply the patch.


  reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191106113551.5557-1-alexandru.ardelean@analog.com>
2019-11-08  7:09 ` [PATCH v2] " Alexandru Ardelean
2019-11-08  7:17 ` [PATCH v3] " Alexandru Ardelean
2019-11-08 21:08   ` Stephen Boyd [this message]
2019-11-11  9:31     ` Ardelean, Alexandru

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