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HV: lib: make the argument to udelay unsigned 

The parameter to udelay is the microseconds to wait for, which should be an
unsigned integer.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Junjie Mao 2018-07-02 21:14:15 +08:00 committed by lijinxia
parent 228f4df559
commit ffc0b27db4
2 changed files with 3 additions and 3 deletions
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2
hypervisor/include/lib/rtl.h
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@ -26,7 +26,7 @@ struct udiv_result {
};
/* Function prototypes */
void udelay(int us);
void udelay(uint32_t us);
void *memchr(const void *void_s, int c, size_t n);
void *memmove(void *s1, const void *s2, size_t n);
int strcmp(const char *s1, const char *s2);

4
hypervisor/lib/udelay.c
View File

@ -6,12 +6,12 @@
#include <hv_lib.h>
void udelay(int loop_count)
void udelay(uint32_t us)
{
uint64_t dest_tsc, delta_tsc;
/* Calculate number of ticks to wait */
delta_tsc = US_TO_TICKS(loop_count);
delta_tsc = US_TO_TICKS(us);
dest_tsc = rdtsc() + delta_tsc;
/* Loop until time expired */