linux-kernel - [PATCH] vfio: platform: fix __iomem in vfio_platform

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Date:   Wed, 18 Dec 2019 13:35:25 +0000
From:   "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>
To:     ben.dooks@...ethink.co.uk
Cc:     Eric Auger <eric.auger@...hat.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Allison Randal <allison@...utok.net>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] vfio: platform: fix __iomem in vfio_platform_amdxgbe.c

The ioaddr should have __iomem marker on it, so add that to fix
the following sparse warnings:

drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:33:44: warning: incorrect type in argument 2 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:33:44:    expected void volatile [noderef] <asn:2> *addr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:33:44:    got void *
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:34:33: warning: incorrect type in argument 1 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:34:33:    expected void const volatile [noderef] <asn:2> *addr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:34:33:    got void *
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:44:44: warning: incorrect type in argument 2 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:44:44:    expected void volatile [noderef] <asn:2> *addr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:44:44:    got void *
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:45:33: warning: incorrect type in argument 2 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:45:33:    expected void volatile [noderef] <asn:2> *addr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:45:33:    got void *
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:69:41: warning: incorrect type in argument 1 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:69:41:    expected void *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:69:41:    got void [noderef] <asn:2> *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:71:30: warning: incorrect type in argument 1 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:71:30:    expected void *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:71:30:    got void [noderef] <asn:2> *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:76:49: warning: incorrect type in argument 1 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:76:49:    expected void *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:76:49:    got void [noderef] <asn:2> *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:85:37: warning: incorrect type in argument 1 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:85:37:    expected void *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:85:37:    got void [noderef] <asn:2> *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:87:30: warning: incorrect type in argument 1 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:87:30:    expected void *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:87:30:    got void [noderef] <asn:2> *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:90:30: warning: incorrect type in argument 1 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:90:30:    expected void *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:90:30:    got void [noderef] <asn:2> *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:93:30: warning: incorrect type in argument 1 (different address spaces)
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:93:30:    expected void *ioaddr
drivers/vfio/platform/reset/vfio_platform_amdxgbe.c:93:30:    got void [noderef] <asn:2> *ioaddr

Signed-off-by: Ben Dooks (Codethink) <ben.dooks@...ethink.co.uk>
---
Cc: Eric Auger <eric.auger@...hat.com>
Cc: Alex Williamson <alex.williamson@...hat.com>
Cc: Cornelia Huck <cohuck@...hat.com>
Cc: Allison Randal <allison@...utok.net>
Cc: kvm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/vfio/platform/reset/vfio_platform_amdxgbe.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
index 2d2babe21b2f..ecfc908de30f 100644
--- a/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
+++ b/drivers/vfio/platform/reset/vfio_platform_amdxgbe.c
@@ -24,7 +24,7 @@
 #define MDIO_AN_INT		0x8002
 #define MDIO_AN_INTMASK		0x8001
 
-static unsigned int xmdio_read(void *ioaddr, unsigned int mmd,
+static unsigned int xmdio_read(void __iomem *ioaddr, unsigned int mmd,
 			       unsigned int reg)
 {
 	unsigned int mmd_address, value;
@@ -35,7 +35,7 @@ static unsigned int xmdio_read(void *ioaddr, unsigned int mmd,
 	return value;
 }
 
-static void xmdio_write(void *ioaddr, unsigned int mmd,
+static void xmdio_write(void __iomem *ioaddr, unsigned int mmd,
 			unsigned int reg, unsigned int value)
 {
 	unsigned int mmd_address;
-- 
2.24.0