[PATCH v3 08/18] phy: ti: phy-j721e-wiz: split wiz_clock_init() function
Andy Shevchenko
andy at kernel.org
Fri Feb 16 07:03:37 PST 2024
On Fri, Feb 16, 2024 at 02:34:39PM +0530, Siddharth Vadapalli wrote:
> On 24/02/16 11:32AM, Vinod Koul wrote:
> > On 15-02-24, 17:43, Andy Shevchenko wrote:
> > > On Thu, Feb 15, 2024 at 04:17:53PM +0100, Thomas Richard wrote:
...
> > > (Side note, as this can be done later)
> > >
> > > > if (rate >= 100000000)
> > >
> > > > + if (rate >= 100000000)
> > >
> > > > + if (rate >= 100000000)
> > >
> > > I would make local definition and use it, we may get the global one as there
> > > are users.
> > >
> > > #define HZ_PER_GHZ 1000000000UL
> >
> > Better to define as:
> > #define HZ_PER_GHZ 1 * GIGA
>
> The variable "rate" is being compared against 100 MHz and not 1 GHz.
Extremely good point why constant definitions are better (to avoid missing
or extra 0, etc)!
> The driver already has the following macros defined:
> #define REF_CLK_19_2MHZ 19200000
> #define REF_CLK_25MHZ 25000000
> #define REF_CLK_100MHZ 100000000
> #define REF_CLK_156_25MHZ 156250000
>
> So would it be acceptable to change it to:
> if (rate >= REF_CLK_100MHZ)
> instead?
Sounds like a good idea to me.
--
With Best Regards,
Andy Shevchenko
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