linux-kernel - Re: [PATCH v4 3/9] clk: qcom: apss-ipq-pll: Use stromer plus ops for stromer plus pll

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Message-ID: <CAA8EJprd818gCFBSOWPiLhPq0O4hPnGbwBPWQougqwmuUg1kqw@mail.gmail.com>
Date:   Thu, 19 Oct 2023 16:13:10 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Varadarajan Narayanan <quic_varada@...cinc.com>
Cc:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, mturquette@...libre.com, sboyd@...nel.org,
        rafael@...nel.org, viresh.kumar@...aro.org, ilia.lin@...nel.org,
        sivaprak@...eaurora.org, quic_kathirav@...cinc.com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 3/9] clk: qcom: apss-ipq-pll: Use stromer plus ops for
 stromer plus pll

On Thu, 19 Oct 2023 at 11:42, Varadarajan Narayanan
<quic_varada@...cinc.com> wrote:
>
> The set rate and determine rate operations are different between
> Stromer and Stromer Plus PLLs. Since the programming sequence is
> different, the PLLs dont get configured properly and random,
> inexplicable crash/freeze is seen. Hence, use stromer plus ops
> for ipq_pll_stromer_plus.
>
> Acked-by: Stephen Boyd <sboyd@...nel.org>
> Fixes: c7ef7fbb1ccf ("clk: qcom: apss-ipq-pll: add support for IPQ5332")
> Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> ---
> v4:     Update commit log to include
>                 "What goes wrong if we don't have this patch?"
> v2:     Add Fixes tag
> ---
>  drivers/clk/qcom/apss-ipq-pll.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry