Re: [PATCH V3 4/8] clk: vc5: Configure the output buffer input mux on prepare

[Stephen Boyd <sboyd@codeaurora.org>]

On 07/09, Marek Vasut wrote:
> The output buffer input mux can be configured in either of three
> states -- disabled, input from FOD, input from previous output.
> Once the .prepare() callback of the output buffer is called, the
> output buffer input mux must be set to either input from FOD or
> input from previous output, it cannot be set to Disabled anymore
> or the output won't work.
> 
> Default to the input from FOD if the output buffer input mux was
> Disabled and the .prepare() was called on it.
> 
> Note that we do not set the output buffer input mux back to Disabled
> in the .unprepare() callback as there is no obvious benefit of doing
> so. We disable the entire output buffer in the .unprepare() callback
> already.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Stephen Boyd <sboyd@codeaurora.org>
> Cc: Alexey Firago <alexey_firago@mentor.com>
> Cc: Michael Turquette <mturquette@baylibre.com>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: linux-renesas-soc@vger.kernel.org
> Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> on Salvator-XS with the display LVDS output.
> ---

Applied to clk-next

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