pinctrl: artpec6: fix __iomem on reg in set

The artpec6_pconf_set should have marked reg as __iomem,
 which ends up making sparse complain about address
space conversions. Add the __iomem to silence the
following warnings:

drivers/pinctrl/pinctrl-artpec6.c:814:13: warning: incorrect type in assignment (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:814:13:    expected unsigned int *reg
drivers/pinctrl/pinctrl-artpec6.c:814:13:    got void [noderef] <asn:2> *
drivers/pinctrl/pinctrl-artpec6.c:825:34: warning: incorrect type in argument 1 (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:825:34:    expected void const volatile [noderef] <asn:2> *addr
drivers/pinctrl/pinctrl-artpec6.c:825:34:    got unsigned int *reg
drivers/pinctrl/pinctrl-artpec6.c:827:25: warning: incorrect type in argument 2 (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:827:25:    expected void volatile [noderef] <asn:2> *addr
drivers/pinctrl/pinctrl-artpec6.c:827:25:    got unsigned int *reg
drivers/pinctrl/pinctrl-artpec6.c:837:34: warning: incorrect type in argument 1 (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:837:34:    expected void const volatile [noderef] <asn:2> *addr
drivers/pinctrl/pinctrl-artpec6.c:837:34:    got unsigned int *reg
drivers/pinctrl/pinctrl-artpec6.c:840:25: warning: incorrect type in argument 2 (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:840:25:    expected void volatile [noderef] <asn:2> *addr
drivers/pinctrl/pinctrl-artpec6.c:840:25:    got unsigned int *reg
drivers/pinctrl/pinctrl-artpec6.c:850:34: warning: incorrect type in argument 1 (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:850:34:    expected void const volatile [noderef] <asn:2> *addr
drivers/pinctrl/pinctrl-artpec6.c:850:34:    got unsigned int *reg
drivers/pinctrl/pinctrl-artpec6.c:853:25: warning: incorrect type in argument 2 (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:853:25:    expected void volatile [noderef] <asn:2> *addr
drivers/pinctrl/pinctrl-artpec6.c:853:25:    got unsigned int *reg
drivers/pinctrl/pinctrl-artpec6.c:864:34: warning: incorrect type in argument 1 (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:864:34:    expected void const volatile [noderef] <asn:2> *addr
drivers/pinctrl/pinctrl-artpec6.c:864:34:    got unsigned int *reg
drivers/pinctrl/pinctrl-artpec6.c:867:25: warning: incorrect type in argument 2 (different address spaces)
drivers/pinctrl/pinctrl-artpec6.c:867:25:    expected void volatile [noderef] <asn:2> *addr
drivers/pinctrl/pinctrl-artpec6.c:867:25:    got unsigned int *reg

Signed-off-by: Ben Dooks (Codethink) <ben.dooks@codethink.co.uk>
Link: https://lore.kernel.org/r/20191218101602.2442868-1-ben.dooks@codethink.co.uk
[Changed unsigned int -> void for the reg pointer]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-artpec6.c b/drivers/pinctrl/pinctrl-artpec6.c
index 986e04ac6b5bb071d21689cd596dffd9dcfacbaa..d6c9f9dcff972b285846752e9aa06f8bfb20f238 100644 (file)
--- a/drivers/pinctrl/pinctrl-artpec6.c
+++ b/drivers/pinctrl/pinctrl-artpec6.c
@@ -798,7 +798,7 @@ static int artpec6_pconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
        enum pin_config_param param;
        unsigned int arg;
        unsigned int regval;
-       unsigned int *reg;
+       void __iomem *reg;
        int i;
 
        /* Check for valid pin */