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SubjectRe: [PATCH v1 5/5] tty: serial: 8250: add DFL bus driver for Altera 16550.
On Thu, Sep 08, 2022 at 11:27:03AM -0700, matthew.gerlach@linux.intel.com wrote:
> On Tue, 6 Sep 2022, Andy Shevchenko wrote:
> > On Tue, Sep 06, 2022 at 12:04:26PM -0700, matthew.gerlach@linux.intel.com wrote:

...

> > > + dev_dbg(dfluart->dev, "UART_CLK_ID %llu Hz\n", dfluart->uart_clk);
> >
> > Isn't this available via normal interfaces to user?
>
> I am not sure what "normal interfaces to user" you are referring to. The
> code is just trying to read the frequency of the input clock to the uart
> from a DFH paramter.

I mean dev_dbg() call. The user can get uart_clk via one of the UART/serial
ABIs (don't remember which one, though).


...

> > > +#define FME_FEATURE_ID_UART 0x24
> >
> > Purpose of this definition? For me with or without is still an ID.
>
> I don't think I understand the question. Is the name of the macro unclear,
> or do you think it is not necessary?

I mean how the definition is useful / useless. I.o.w. I think it's not
necessary.

--
With Best Regards,
Andy Shevchenko


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