Hi Marc, Thank you for the review. On Wed, Jun 29, 2022 at 5:26 PM Marc Zyngier <maz@xxxxxxxxxx> wrote: > > On Sat, 25 Jun 2022 21:06:00 +0100, > Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> wrote: > > > > Add IRQ domain to RZ/G2L pinctrl driver to handle GPIO interrupt. > > > > GPIO0-GPIO122 pins can be used as IRQ lines but only 32 pins can be > > used as IRQ lines at a given time. Selection of pins as IRQ lines > > is handled by IA55 (which is the IRQC block) which sits in between the > > GPIO and GIC. > > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > --- > > drivers/pinctrl/renesas/pinctrl-rzg2l.c | 236 ++++++++++++++++++++++++ > > 1 file changed, 236 insertions(+) > > > > [...] > > > +static void *rzg2l_gpio_populate_parent_fwspec(struct gpio_chip *chip, > > + unsigned int parent_hwirq, > > + unsigned int parent_type) > > +{ > > + struct irq_fwspec *fwspec; > > + > > + fwspec = kzalloc(sizeof(*fwspec), GFP_KERNEL); > > + if (!fwspec) > > + return NULL; > > + > > + fwspec->fwnode = chip->irq.parent_domain->fwnode; > > + fwspec->param_count = 2; > > + fwspec->param[0] = parent_hwirq; > > + fwspec->param[1] = parent_type; > > + > > + return fwspec; > > +} > > I jumped at this one again. > > Can you please pick [1] as part of your series and write this in a way > that doesn't require extra memory allocation? It has already been > ack'ed by Linus anyway, and we'd put an end to this thing for good. > Sure will update and post a v7. Cheers, Prabhakar