On Mon, Jan 14, 2013 at 12:40:34, Thierry Reding wrote:
> On Thu, Jan 10, 2013 at 06:33:44PM +0530, Philip Avinash wrote:
> > In low power modes of AM33XX platforms, peripherals power is cut off.
> > This patch supports low power sleep transition support for ECAP driver.
> >
> > Signed-off-by: Philip Avinash <[email protected]>
> > ---
...
> > +struct ecap_regs {
> > + u32 cap3;
> > + u32 cap4;
> > + u16 ecctl2;
> > +};
>
> Perhaps name this ecap_context for consistency with the EHRPWM driver?
I will correct it.
>
> > +void ecap_pwm_save_reg(struct ecap_pwm_chip *pc)
> > +{
> > + pm_runtime_get_sync(pc->chip.dev);
> > + pc->ctx.ecctl2 = readw(pc->mmio_base + ECCTL2);
> > + pc->ctx.cap4 = readl(pc->mmio_base + CAP4);
> > + pc->ctx.cap3 = readl(pc->mmio_base + CAP3);
> > + pm_runtime_put_sync(pc->chip.dev);
> > +}
> > +
> > +void ecap_pwm_restore_reg(struct ecap_pwm_chip *pc)
> > +{
> > + writel(pc->ctx.cap3, pc->mmio_base + CAP3);
> > + writel(pc->ctx.cap4, pc->mmio_base + CAP4);
> > + writew(pc->ctx.ecctl2, pc->mmio_base + ECCTL2);
> > +}
>
> Then rename these ecap_pwm_{save,restore}_context()?
I will correct in next version.
...
> Same comment as for the EHRPWM driver applies here.
I will correct in next version
Thanks
Avinash
>
> Thierry
>
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