gpu: nvgpu: posix: Explicitly use signed types

Explicitly use signed types in the sXX typedefs. C implementations
are apparently free to use either signed or unsigned as the default
for types like char.

JIRA NVGPU-1234

Change-Id: I0a37025b42d0ecb42ca90f29d3c3b70cf8cc807d
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1846179
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/posix/types.h b/drivers/gpu/nvgpu/include/nvgpu/posix/types.h
index 97686eec..12078b94 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/posix/types.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/posix/types.h
@@ -43,10 +43,10 @@ typedef unsigned short		u16;
 typedef unsigned int            u32;
 typedef unsigned long long      u64;
 
-typedef char                    s8;
-typedef short                   s16;
-typedef int                     s32;
-typedef long long               s64;
+typedef signed char             s8;
+typedef signed short            s16;
+typedef signed int              s32;
+typedef signed long long        s64;
 
 #define min_t(type, a, b)               \
         ({                              \