On Tue, Jul 28, 2015 at 11:03:31AM +0200, Johan Hovold wrote: > On Fri, Jul 17, 2015 at 11:32:42AM +0200, Markus Pargmann wrote: > > The name is set optionally from DT. Therefore we need to reset the name > > variable for every loop iteration. Otherwise we could use a wrong or > > uninitialized name. > > This doesn't make sense. of_get_gpio_hog falls back to using the node > name so name will always be updated (unless there's an error). > > Could be better documented, though. Thanks, just got the two lines wrong. Yes the name is always set correctly. Will fix it. Best regards, Markus > > > Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx> > > --- > > drivers/gpio/gpiolib-of.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c > > index 9a0ec48a4737..60aebe4d7c26 100644 > > --- a/drivers/gpio/gpiolib-of.c > > +++ b/drivers/gpio/gpiolib-of.c > > @@ -209,11 +209,11 @@ static void of_gpiochip_scan_hogs(struct gpio_chip *chip) > > { > > struct gpio_desc *desc = NULL; > > struct device_node *np; > > - const char *name; > > enum gpio_lookup_flags lflags; > > enum gpiod_flags dflags; > > > > for_each_child_of_node(chip->of_node, np) { > > + const char *name = NULL; > > if (!of_property_read_bool(np, "gpio-hog")) > > continue; > > Johan > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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