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SubjectRE: [PATCH v3 2/2] pinctrl: Add Intel Keem Bay pinctrl driver
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Thank you Linus Walleij and Andy Shevchenko,

I will fix the warning and post the next version with 'Reviewed-by: Linus Walleij <linus.walleij@linaro.org>' tag.

Thanks and Regards,
Lakshmi Sowjanya

> -----Original Message-----
> From: Andy Shevchenko <andy.shevchenko@gmail.com>
> Sent: Friday, July 30, 2021 3:02 PM
> To: Linus Walleij <linus.walleij@linaro.org>
> Cc: D, Lakshmi Sowjanya <lakshmi.sowjanya.d@intel.com>; open list:GPIO
> SUBSYSTEM <linux-gpio@vger.kernel.org>; linux-kernel <linux-
> kernel@vger.kernel.org>; Andy Shevchenko
> <andriy.shevchenko@linux.intel.com>; Raja Subramanian, Lakshmi Bai
> <lakshmi.bai.raja.subramanian@intel.com>; Saha, Tamal
> <tamal.saha@intel.com>
> Subject: Re: [PATCH v3 2/2] pinctrl: Add Intel Keem Bay pinctrl driver
>
> On Fri, Jul 30, 2021 at 12:14 PM Linus Walleij <linus.walleij@linaro.org> wrote:
> > On Fri, Jul 16, 2021 at 6:27 PM <lakshmi.sowjanya.d@intel.com> wrote:
> >
> > > + /*
> > > + * Each Interrupt line can be shared by up to 4 GPIO pins. Enable bit
> > > + * and input values were checked to identify the source of the
> > > + * Interrupt. The checked enable bit positions are 7, 15, 23 and 31.
> > > + */
> > > + for_each_set_clump8(bit, clump, &reg,
> BITS_PER_TYPE(typeof(reg))) {
> > > + pin = clump & ~KEEMBAY_GPIO_IRQ_ENABLE;
> > > + val = keembay_read_pin(kpc->base0 +
> KEEMBAY_GPIO_DATA_IN, pin);
> > > + kmb_irq = irq_linear_revmap(gc->irq.domain, pin);
> > > +
> > > + /* Checks if the interrupt is enabled */
> > > + if (val && (clump & KEEMBAY_GPIO_IRQ_ENABLE))
> > > + generic_handle_irq(kmb_irq);
> > > + }
> >
> > Aha there it is. "Half-hierarchical" with one IRQ handling 4 lines.
> >
> > OK we can't do any better than this so this and the bindings look
> > fine.
> >
> > I need to know how Andy think about merging,
>
> Linus, unfortunately I can fulfil a detailed review (busy with a critical task not
> related to this platform anyway), but this version is more or less okay to
> merge. We may adjust it with follow up fixes if needed.
>
> > and then there is
> > an uninitialized ret in the mail from Dan Carpenter look into that
> > too.
> >
> > In any case with minor nits fixed:
> > Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
>
>
> --
> With Best Regards,
> Andy Shevchenko

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