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Groups > linux.kernel > #1399695
| From | Maxime Ripard <maxime.ripard@free-electrons.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver |
| Date | 2016-05-12 09:00 +0200 |
| Message-ID | <rxSLg-mB-7@gated-at.bofh.it> (permalink) |
| References | (4 earlier) <rx20i-6qo-9@gated-at.bofh.it> <rx20i-6qo-19@gated-at.bofh.it> <rxlmh-zy-9@gated-at.bofh.it> <rxKE2-E3-5@gated-at.bofh.it> <rxPDI-5tt-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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On Thu, May 12, 2016 at 06:39:20AM +0300, Priit Laes wrote:
> On Wed, 2016-05-11 at 15:15 -0700, Stephen Boyd wrote:
> > On 05/10, Priit Laes wrote:
> > >
> > > On Mon, 2016-05-09 at 15:39 -0700, Stephen Boyd wrote:
> > > >
> > > > On 05/09, Stephen Boyd wrote:
> > > > >
> > > > >
> > > > >
> > > > > Ok I applied this one to clk-next.
> > > > >
> > > > And I squashed this in to silence the following checker warning.
> > > >
> > > > drivers/clk/sunxi/clk-sun4i-display.c:110:33: warning: Variable
> > > > length array is used.
> > > >
> > > > ---8<---
> > > > diff --git a/drivers/clk/sunxi/clk-sun4i-display.c
> > > > b/drivers/clk/sunxi/clk-sun4i-display.c
> > > > index f02e250e64ed..f8ff6c4a5633 100644
> > > > --- a/drivers/clk/sunxi/clk-sun4i-display.c
> > > > +++ b/drivers/clk/sunxi/clk-sun4i-display.c
> > > > @@ -107,7 +107,7 @@ static int
> > > > sun4i_a10_display_reset_xlate(struct
> > > > reset_controller_dev *rcdev,
> > > > static void __init sun4i_a10_display_init(struct device_node
> > > > *node,
> > > > const struct
> > > > sun4i_a10_display_clk_data *data)
> > > > {
> > > > - const char *parents[data->parents];
> > > > + const char *parents[4];
> > > This change breaks at least de_[bf]e clocks which have 3 clock
> > > parents.
>
> > I just used the largest data->parents number, which was 4. How
> > does that break anything?
>
> If you look at the sun4i_a10_display_init, it contains this block:
>
> ret = of_clk_parent_fill(node, parents, ARRAY_SIZE(parents));
> if (ret != ARRAY_SIZE(parents)) {
> pr_err("%s: Could not retrieve the parents\n", clk_name);
> goto unmap;
> }
>
> of_clk_parent_fill returns 3 for de_be/de_fe nodes, and
> ARRAY_SIZE(parents) is 4.
Replacing both ARRAY_SIZE(parents) by data->parents would work though.
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Stephen Boyd <sboyd@codeaurora.org> - 2016-05-07 00:40 +0200
Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-05-08 22:10 +0200
Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Stephen Boyd <sboyd@codeaurora.org> - 2016-05-10 00:40 +0200
Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Stephen Boyd <sboyd@codeaurora.org> - 2016-05-10 00:40 +0200
Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-05-10 08:40 +0200
Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Stephen Boyd <sboyd@codeaurora.org> - 2016-05-12 00:20 +0200
Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Priit Laes <plaes@plaes.org> - 2016-05-10 21:20 +0200
Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Stephen Boyd <sboyd@codeaurora.org> - 2016-05-12 00:20 +0200
Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Priit Laes <plaes@plaes.org> - 2016-05-12 05:40 +0200
Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-05-12 09:00 +0200
Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-05-12 10:40 +0200
Re: [linux-sunxi] Re: [PATCH v4 01/11] clk: sunxi: Add display and TCON0 clocks driver Stephen Boyd <sboyd@codeaurora.org> - 2016-05-12 23:50 +0200
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