linux/arch/sh
Geert Uytterhoeven 8440bb9b94 sh: sh7786: Add explicit I/O cast to sh7786_mm_sel()
When compile-testing on arm:

    arch/sh/include/cpu-sh4/cpu/sh7786.h: In function ‘sh7786_mm_sel’:
    arch/sh/include/cpu-sh4/cpu/sh7786.h:135:21: warning: passing argument 1 of ‘__raw_readl’ makes pointer from integer without a cast [-Wint-conversion]
      return __raw_readl(0xFC400020) & 0x7;
			 ^~~~~~~~~~
    In file included from include/linux/io.h:25:0,
		     from arch/sh/include/cpu-sh4/cpu/sh7786.h:14,
		     from drivers/pinctrl/sh-pfc/pfc-sh7786.c:15:
    arch/arm/include/asm/io.h:113:21: note: expected ‘const volatile void *’ but argument is of type ‘unsigned int’
     #define __raw_readl __raw_readl
			 ^
    arch/arm/include/asm/io.h:114:19: note: in expansion of macro ‘__raw_readl’
     static inline u32 __raw_readl(const volatile void __iomem *addr)
		       ^~~~~~~~~~~

__raw_readl() on SuperH is a macro that casts the passed I/O address to
the correct type, while the implementations on most other architectures
expect to be passed the correct pointer type.

Add an explicit cast to fix this.

Note that this also gets rid of a sparse warning on SuperH:

    arch/sh/include/cpu-sh4/cpu/sh7786.h:135:16: warning: incorrect type in argument 1 (different base types)
    arch/sh/include/cpu-sh4/cpu/sh7786.h:135:16:    expected void const volatile [noderef] <asn:2>*<noident>
    arch/sh/include/cpu-sh4/cpu/sh7786.h:135:16:    got unsigned int

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
2019-04-02 09:57:50 +02:00
..
boards memblock: memblock_phys_alloc(): don't panic 2019-03-12 10:04:01 -07:00
boot sh: fix build error for invisible CONFIG_BUILTIN_DTB_SOURCE 2019-02-13 23:29:42 +09:00
cchips License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
configs configs: get rid of obsolete CONFIG_ENABLE_WARN_DEPRECATED 2019-03-07 18:32:02 -08:00
drivers dma-mapping: remove the DMA_MEMORY_EXCLUSIVE flag 2019-02-20 07:27:00 -07:00
include sh: sh7786: Add explicit I/O cast to sh7786_mm_sel() 2019-04-02 09:57:50 +02:00
kernel memblock: drop __memblock_alloc_base() 2019-03-12 10:04:01 -07:00
lib sh: lib: convert to SPDX identifiers 2018-12-28 12:11:45 -08:00
lib64 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
math-emu signal/sh: Use force_sig_fault where appropriate 2018-04-25 10:44:09 -05:00
mm memblock: drop memblock_alloc_*_nopanic() variants 2019-03-12 10:04:02 -07:00
oprofile Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
tools kbuild: remove redundant target cleaning on failure 2019-01-06 09:46:51 +09:00
Kconfig DMA mapping updates for 5.1 2019-03-10 11:54:48 -07:00
Kconfig.cpu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Makefile sh: generate uapi header and syscall table header files 2018-12-19 17:54:40 +01:00