gpio: pci-idio-16: Fix port memory offset for get_multiple callback

The ioread8 function expects a memory offset argument. This patch fixes
the ports array to provide the memory addresses of the respective device
I/O registers.

Fixes: 810ebfc5efca ("gpio: pci-idio-16: Implement get_multiple callback")
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-pci-idio-16.c b/drivers/gpio/gpio-pci-idio-16.c
index 1948724d8c369df7baab3e889138408c1e860db8..25d16b2af1c39b305830d837c5aff62ecaf95ae2 100644 (file)
--- a/drivers/gpio/gpio-pci-idio-16.c
+++ b/drivers/gpio/gpio-pci-idio-16.c
@@ -116,9 +116,9 @@ static int idio_16_gpio_get_multiple(struct gpio_chip *chip,
        unsigned long word_mask;
        const unsigned long port_mask = GENMASK(gpio_reg_size - 1, 0);
        unsigned long port_state;
-       u8 __iomem ports[] = {
-               idio16gpio->reg->out0_7, idio16gpio->reg->out8_15,
-               idio16gpio->reg->in0_7, idio16gpio->reg->in8_15,
+       void __iomem *ports[] = {
+               &idio16gpio->reg->out0_7, &idio16gpio->reg->out8_15,
+               &idio16gpio->reg->in0_7, &idio16gpio->reg->in8_15,
        };
 
        /* clear bits array to a clean slate */
@@ -143,7 +143,7 @@ static int idio_16_gpio_get_multiple(struct gpio_chip *chip,
                }
 
                /* read bits from current gpio port */
-               port_state = ioread8(ports + i);
+               port_state = ioread8(ports[i]);
 
                /* store acquired bits at respective bits array offset */
                bits[word_index] |= port_state << word_offset;