[PATCH v3 08/15] watchdog: orion: Introduce per-compatible of_device_id data
Ezequiel Garcia
ezequiel.garcia at free-electrons.com
Wed Jan 22 12:06:22 EST 2014
On Tue, Jan 21, 2014 at 08:35:47AM -0800, Guenter Roeck wrote:
> On Tue, Jan 21, 2014 at 10:26:07AM -0300, Ezequiel Garcia wrote:
> > This commit adds an orion_watchdog_data structure to holda compatible-data
>
> s/holda/hold/
>
Yup.
> > information. This allows to remove the driver-wide definition and to
> > future add support for multiple compatible-strings.
>
> Maybe "and to be able to add support for multiple compatible-strings in the
> future" ?
>
Yes, sounds better.
[..]
> >
> > #define WDT_MAX_CYCLE_COUNT 0xffffffff
> > #define WDT_IN_USE 0
> > #define WDT_OK_TO_CLOSE 1
> >
> While looking at the new defines below, I noticed that WDT_IN_USE and
> WDT_OK_TO_CLOSE are not used (anymore ?) and thus should be removed
> (separate patch, though).
>
OK, let's clean this.
> > -#define WDT_RESET_OUT_EN BIT(1)
> > +#define WDT_A370_RATIO_MASK(v) ((v) << 16)
> > +#define WDT_A370_RATIO_SHIFT 5
> > +#define WDT_A370_RATIO (1 << WDT_A370_RATIO_SHIFT)
> > +
> > +#define WDT_AXP_FIXED_ENABLE_BIT BIT(10)
> >
> Those new defines are not used. They should be introduced if and when used.
>
Hm... maybe after dozens and dozens of rebases these macros sneaked here?
[..]
> >
> > + match = of_match_device(orion_wdt_of_match_table, &pdev->dev);
> > + if (!match)
> > + /* Default legacy match */
> > + match = &orion_wdt_of_match_table[0];
> > +
> > dev->wdt.info = &orion_wdt_info;
> > dev->wdt.ops = &orion_wdt_ops;
> > dev->wdt.min_timeout = 1;
> > + dev->data = (struct orion_watchdog_data *)match->data;
>
> match->data is a void *, so the typecast should not be needed here.
> You might want to declare 'data' to be of type
> 'const struct orion_watchdog_data *' because otherwise you loose the
> 'const' attribute of match->data (which may be the reason for the typecast ?).
>
Done.
Thanks a lot for reviewing!
--
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
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