[PATCH v4 1/6] ARM: at91: add TCB registers definitions
Alexandre Belloni
alexandre.belloni at bootlin.com
Thu Apr 26 10:48:43 PDT 2018
On 26/04/2018 18:52:43+0200, Sebastian Andrzej Siewior wrote:
> On 2018-04-18 12:51:38 [+0200], Alexandre Belloni wrote:
> > diff --git a/include/soc/at91/atmel_tcb.h b/include/soc/at91/atmel_tcb.h
> > new file mode 100644
> > index 000000000000..d263ea677225
> > --- /dev/null
> > +++ b/include/soc/at91/atmel_tcb.h
> …
> > +static inline struct clk *tcb_clk_get(struct device_node *node, int channel)
> > +{
> > + struct clk *clk;
> > + char clk_name[] = "t0_clk";
> > +
> > + clk_name[1] += channel;
> > + clk = of_clk_get_by_name(node->parent, clk_name);
> > + if (!IS_ERR(clk))
> > + return clk;
> > +
> > + return of_clk_get_by_name(node->parent, "t0_clk");
> > +}
> > +
> > +static inline int tcb_irq_get(struct device_node *node, int channel)
> > +{
> > + int irq;
> > +
> > + irq = of_irq_get(node->parent, channel);
> > + if (irq > 0)
> > + return irq;
> > +
> > + return of_irq_get(node->parent, 0);
> > +}
> > +
> > +static const u8 atmel_tc_divisors[5] = { 2, 8, 32, 128, 0, };
> > +
> > +struct atmel_tcb_info {
> > + int bits;
> > +};
> > +
> > +static const struct atmel_tcb_info atmel_tcb_infos[] = {
> > + { .bits = 16 },
> > + { .bits = 32 },
> > +};
> > +
> > +static const struct of_device_id atmel_tcb_dt_ids[] = {
> > + {
> > + .compatible = "atmel,at91rm9200-tcb",
> > + .data = &atmel_tcb_infos[0],
> > + }, {
> > + .compatible = "atmel,at91sam9x5-tcb",
> > + .data = &atmel_tcb_infos[1],
> > + }, {
> > + /* sentinel */
> > + }
> > +};
>
> After the series is applied, I see only one user of that file. The data
> structures don't look like they belong here. Same goes for the static
> inline of the code above.
>
There is another user coming later (the pwm driver) but I didn't repost,
I'll do so after this series is applied.
> > +#endif /* __SOC_ATMEL_TCB_H */
>
> Sebastian
--
Alexandre Belloni, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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