[S390] cputime: add sparse checking and cleanup
Make cputime_t and cputime64_t nocast to enable sparse checking to
detect incorrect use of cputime. Drop the cputime macros for simple
scalar operations. The conversion macros are still needed.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c
index 766b1d4..ac52436 100644
--- a/fs/proc/uptime.c
+++ b/fs/proc/uptime.c
@@ -12,10 +12,10 @@
struct timespec uptime;
struct timespec idle;
int i;
- cputime_t idletime = cputime_zero;
+ cputime_t idletime = 0;
for_each_possible_cpu(i)
- idletime = cputime64_add(idletime, kstat_cpu(i).cpustat.idle);
+ idletime += kstat_cpu(i).cpustat.idle;
do_posix_clock_monotonic_gettime(&uptime);
monotonic_to_bootbased(&uptime);