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Groups > linux.kernel > #1575821
| From | Maxime Ripard <maxime.ripard@free-electrons.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] drm/panel: Add driver for sitronix ST7789V panel |
| Date | 2017-02-07 17:00 +0100 |
| Message-ID | <t8gls-4NN-23@gated-at.bofh.it> (permalink) |
| References | <t6IOR-8nh-1@gated-at.bofh.it> <t6IYy-dX-35@gated-at.bofh.it> <t7RwJ-5sW-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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On Mon, Feb 06, 2017 at 02:26:20PM +0100, Thierry Reding wrote:
> > +#define NUMARGS(...) (sizeof((int[]){__VA_ARGS__}) / sizeof(int))
> > +#define st7789v_send(ctx, cmd, ...) \
> > + st7789v_write_command_data(ctx, cmd, NUMARGS(__VA_ARGS__), \
> > + ##__VA_ARGS__)
>
> How is this going to work if any of the arguments happens to not be an
> int? What if you have something like this:
>
> u8 value = 0x2;
>
> st7789v_write_command_data(ctx, cmd, 0x1, value, 0x3);
>
> ? Wouldn't that invalidly read "value" as int and wrongly increment the
> ap by three bytes too many?
Hmmm, it might be. I'll remove it, and take all your other changes
into account.
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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[PATCH 0/2] drm/panel: Add support for the Sitronix ST7789V Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-03 11:00 +0100
[PATCH v3 2/2] ARM: sun8i: dt: Add mali node Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-03 11:00 +0100
[PATCH v3 1/2] dt-bindings: gpu: Add Mali Utgard bindings Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-03 11:10 +0100
[PATCH 1/2] dt-bindings: display: panel: Add bindings for the Sitronix ST7789V panel Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-03 11:10 +0100
Re: [PATCH 1/2] dt-bindings: display: panel: Add bindings for the Sitronix ST7789V panel Thierry Reding <thierry.reding@gmail.com> - 2017-02-06 14:10 +0100
Re: [PATCH 1/2] dt-bindings: display: panel: Add bindings for the Sitronix ST7789V panel Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-07 16:50 +0100
Re: [PATCH 1/2] dt-bindings: display: panel: Add bindings for the Sitronix ST7789V panel Thierry Reding <thierry.reding@gmail.com> - 2017-02-07 17:50 +0100
[PATCH 2/2] drm/panel: Add driver for sitronix ST7789V panel Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-03 11:10 +0100
Re: [PATCH 2/2] drm/panel: Add driver for sitronix ST7789V panel Noralf Trønnes <noralf@tronnes.org> - 2017-02-03 20:00 +0100
Re: [PATCH 2/2] drm/panel: Add driver for sitronix ST7789V panel Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-06 12:00 +0100
Re: [PATCH 2/2] drm/panel: Add driver for sitronix ST7789V panel Noralf Trønnes <noralf@tronnes.org> - 2017-02-06 13:20 +0100
Re: [PATCH 2/2] drm/panel: Add driver for sitronix ST7789V panel Thierry Reding <thierry.reding@gmail.com> - 2017-02-06 13:30 +0100
Re: [PATCH 2/2] drm/panel: Add driver for sitronix ST7789V panel Thierry Reding <thierry.reding@gmail.com> - 2017-02-06 14:30 +0100
Re: [PATCH 2/2] drm/panel: Add driver for sitronix ST7789V panel Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-07 17:00 +0100
Re: [PATCH 0/2] drm/panel: Add support for the Sitronix ST7789V Noralf Trønnes <noralf@tronnes.org> - 2017-02-03 19:50 +0100
Re: [PATCH 0/2] drm/panel: Add support for the Sitronix ST7789V Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-06 11:40 +0100
Re: [PATCH 0/2] drm/panel: Add support for the Sitronix ST7789V Noralf Trønnes <noralf@tronnes.org> - 2017-02-06 12:30 +0100
Re: [PATCH 0/2] drm/panel: Add support for the Sitronix ST7789V Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-02-07 16:40 +0100
Re: [PATCH 0/2] drm/panel: Add support for the Sitronix ST7789V Thierry Reding <thierry.reding@gmail.com> - 2017-02-07 17:50 +0100
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