wt., 9 lip 2019 o 20:49 Geert Uytterhoeven <[email protected]> napisał(a):
>
> Hi Bartosz,
>
> On Tue, May 28, 2019 at 5:46 PM Bartosz Golaszewski <[email protected]> wrote:
> > From: Bartosz Golaszewski <[email protected]>
> >
> > Use the managed variant of gpiochip_add_data() and remove the call to
> > gpiochip_remove().
> >
> > Cc: Geert Uytterhoeven <[email protected]>
> > Signed-off-by: Bartosz Golaszewski <[email protected]>
> > ---
> > drivers/gpio/gpio-em.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c
> > index 40f8c38bec1c..299101d25fa8 100644
> > --- a/drivers/gpio/gpio-em.c
> > +++ b/drivers/gpio/gpio-em.c
> > @@ -359,7 +359,7 @@ static int em_gio_probe(struct platform_device *pdev)
> > goto err1;
> > }
> >
> > - ret = gpiochip_add_data(gpio_chip, p);
> > + ret = devm_gpiochip_add_data(&pdev->dev, gpio_chip, p);
> > if (ret) {
> > dev_err(&pdev->dev, "failed to add GPIO controller\n");
> > goto err1;
> > @@ -376,8 +376,6 @@ static int em_gio_remove(struct platform_device *pdev)
> > {
> > struct em_gio_priv *p = platform_get_drvdata(pdev);
> >
> > - gpiochip_remove(&p->gpio_chip);
> > -
> > irq_domain_remove(p->irq_domain);
>
> On a second thought, is it safe to call irq_domain_remove() before
> gpiochip_remove() (which calls gpiochip_irqchip_remove())?
>
Good call. I think the most elegant solution here would be to use
devm_add_action() to keep the ordering right. I'll send a follow-up
tomorrow morning.
Bart
> > return 0;
>
> > }
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 --
> [email protected]
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like
> that.
> -- Linus Torvalds
