linux-kernel - Re: [PATCH v3] clk: Add driver for the si544 clock generator chip

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Message-ID: <152182467481.178046.2010749144270859022@swboyd.mtv.corp.google.com>
Date:   Fri, 23 Mar 2018 10:04:34 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Mike Looijmans <mike.looijmans@...ic.nl>, linux-clk@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, mturquette@...libre.com,
        Mike Looijmans <mike.looijmans@...ic.nl>
Subject: Re: [PATCH v3] clk: Add driver for the si544 clock generator chip

Quoting Mike Looijmans (2018-03-20 01:15:41)
> +
> +static bool is_valid_frequency(const struct clk_si544 *data,
> +       unsigned long frequency)
> +{
> +       unsigned long max_freq;
> +
> +       if (frequency < SI544_MIN_FREQ)
> +               return false;
> +
> +       switch (data->speed_grade) {
> +       case si544a:
> +               max_freq = 1500000000;
> +               break;
> +       case si544b:
> +               max_freq = 800000000;
> +               break;
> +       case si544c:
> +               max_freq = 350000000;
> +               break;
> +       }

Sad. My compiler complains about max_freq being possibly unassigned
here, even though that seems impossible I guess we need to put back the
default case. I'll take care of it when applying and assign max_freq to
0 by default.

Otherwise, applied to clk-next.