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m68knommu: __force type casts for raw IO access 

Bring the m68knommu raw IO functions into line with the m68k raw IO
access functions and __force casting of the address component. This
is primarily to fix sparse warnings on use of these raw macros.

Reported-by: kernel test robot <lkp@intel.com>
CC: Marc Kleine-Budde <mkl@pengutronix.de>
Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
This commit is contained in:
Greg Ungerer 2020-06-15 08:44:17 +10:00
parent cc0fec180d
commit 005b73d0dd
1 changed files with 6 additions and 6 deletions
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12
arch/m68k/include/asm/io_no.h
View File

@ -14,15 +14,15 @@
* that behavior here first before we include asm-generic/io.h.
*/
#define __raw_readb(addr) \
({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; })
({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
#define __raw_readw(addr) \
({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; })
({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
#define __raw_readl(addr) \
({ unsigned int __v = (*(volatile unsigned int *) (addr)); __v; })
({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
#define __raw_writeb(b, addr) (void)((*(volatile unsigned char *) (addr)) = (b))
#define __raw_writew(b, addr) (void)((*(volatile unsigned short *) (addr)) = (b))
#define __raw_writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
#define __raw_writeb(b, addr) (void)((*(__force volatile u8 *) (addr)) = (b))
#define __raw_writew(b, addr) (void)((*(__force volatile u16 *) (addr)) = (b))
#define __raw_writel(b, addr) (void)((*(__force volatile u32 *) (addr)) = (b))
#if defined(CONFIG_COLDFIRE)
/*