RE: [PATCH v4] pinctrl: intel: refine ->irq_set_type() hook

[Jadav, Raag]

> On Thu, Jun 15, 2023 at 06:20:22PM +0530, Raag Jadav wrote:
> > Refine ->irq_set_type() hook and improve its readability by:
> >
> > - Reducing scope of spinlock by moving unneeded operations out of it.
> > - Dropping redundant PADCFG0_RXEVCFG_SHIFT and including it directly
> >   into PADCFG0_RXEVCFG_* definitions.
> > - Utilizing temporary variables for common operations.
> > - Simplifying if-else-if chain.
> 
> Two questions out of curiosity.
> Do we gain or lose bytes with this?

add/remove: 0/0 grow/shrink: 1/0 up/down: 33/0 (33)
Function                                     old     new   delta
intel_gpio_irq_type                          317     350     +33
Total: Before=10469, After=10502, chg +0.32%

> > +	value = readl(reg);
> 
> > +	value = (value & ~PADCFG0_RXINV) | rxinv;
> > +	value = (value & ~PADCFG0_RXEVCFG_MASK) | rxevcfg;
> 
> Same question if we change this to be similar to the current code, i.e.
> 
> 	value = readl(reg);
> 
> 	value &= ~(PADCFG0_RXEVCFG_MASK | PADCFG0_RXINV);
> 	value |= rxevcfg;
> 	value |= rxinv;
> 
> And I would keep blank lines after readl() and before writel() since we have
> more than a single line in between.

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-9 (-9)
Function                                     old     new   delta
intel_gpio_irq_type                          317     308      -9
Total: Before=10469, After=10460, chg -0.09%