On Sat, Mar 17, 2018 at 5:49 PM, William Breathitt Gray <vilhelm.g...@gmail.com> wrote: > The Apex Embedded Systems STX104 series of devices provides 4 TTL > compatible lines of inputs accessed via a single 4-bit port. Since four > input lines are acquired on a single port input read, the STX104 GPIO > driver may improve multiple input reads by utilizing a get_multiple > callback. This patch implements the stx104_gpio_get_multiple function > which serves as the respective get_multiple callback.
> +static int stx104_gpio_get_multiple(struct gpio_chip *chip, unsigned long > *mask, > + unsigned long *bits) > +{ > + struct stx104_gpio *const stx104gpio = gpiochip_get_data(chip); > + > + *bits = inb(stx104gpio->base); I think on LE and BE if will give you different results. > + > + return 0; > +} -- With Best Regards, Andy Shevchenko