michaelh/zephyr
1
0
Fork 0
Code Releases Activity

arc: sys_io: fix sys_read32 return value from uint16_t to uint32_t

Browse source 
Fix sys_read32 return value from uint16_t to uint32_t.
Current implementation causes read/modify/write of 32bit
registers to fail on the high bits.

Signed-off-by: Watson Zeng <zhiwei@synopsys.com>
This commit is contained in:
Watson Zeng 2021-01-22 15:24:24 +08:00 • committed by Anas Nashif
commit f27e7bccf9
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/arch/arc/v2/sys_io.h
View file

@ -164,7 +164,7 @@ static ALWAYS_INLINE void sys_write16(uint16_t data, mem_addr_t addr)
static ALWAYS_INLINE uint32_t sys_read32(mem_addr_t addr)
{
uint16_t value;
uint32_t value;
compiler_barrier();
value = *(volatile uint32_t *)addr;