linux-kernel - [PATCH] pinctrl: artpec6: fix _

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Date:   Wed, 18 Dec 2019 10:16:02 +0000
From:   "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>
To:     ben.dooks@...ethink.co.uk
Cc:     Jesper Nilsson <jesper.nilsson@...s.com>,
        Lars Persson <lars.persson@...s.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-kernel@...s.com, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...ethink.co.uk>
---
Cc: Jesper Nilsson <jesper.nilsson@...s.com>
Cc: Lars Persson <lars.persson@...s.com>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: linux-arm-kernel@...s.com
Cc: linux-gpio@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/pinctrl/pinctrl-artpec6.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-artpec6.c b/drivers/pinctrl/pinctrl-artpec6.c
index 986e04ac6b5b..439a997b6bdb 100644
--- 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;
+	unsigned int __iomem *reg;
 	int i;
 
 	/* Check for valid pin */
-- 
2.24.0