Re: [PATCH] clk: tegra: Don't reset PLL-CX if it is already enabled

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On Mon, Mar 27, 2017 at 12:01:05PM +0100, Jon Hunter wrote:
> Commit 8dce89a1c2cf ("clk: tegra: Don't warn for PLL defaults unnecessarily")
> changed the tegra210_pllcx_set_defaults() function causing the PLL to
> always be reset regardless of whether it is in-use. This function was
> changed so that resetting of the PLL will only be skipped if the PLL
> is enabled AND 'pllcx->params->defaults_set' is not true. However, the
> 'pllcx->params->defaults_set' is always true and hence, the PLL is now
> always reset. This causes the boot to fail on the Tegra210 Smaug where
> the PLL is already enabled and in-use. Fix this by only resetting the
> PLL if not in-use and only printing the warning that the defaults are
> not set after we have checked the default settings.
> 
> Fixes: 8dce89a1c2cf ("clk: tegra: Don't warn for PLL defaults unnecessarily")
> 
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
>  drivers/clk/tegra/clk-tegra210.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Applied to for-4.12/clk, thanks.

Thierry

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