powerpc/rtas: Make timestamp related code y2038-safe

While we are here, let us make timestamp related code y2038-safe.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 5 insertions, 5 deletions

diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 533807efed61..9f8184175c86 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -36,10 +36,10 @@ static DEFINE_SPINLOCK(nvram_lock);
 
 /* See clobbering_unread_rtas_event() */
 #define NVRAM_RTAS_READ_TIMEOUT 5               /* seconds */
-static unsigned long last_unread_rtas_event;    /* timestamp */
+static time64_t last_unread_rtas_event;         /* timestamp */
 
 #ifdef CONFIG_PSTORE
-unsigned long last_rtas_event;
+time64_t last_rtas_event;
 #endif
 
 static ssize_t pSeries_nvram_read(char *buf, size_t count, loff_t *index)
@@ -144,9 +144,9 @@ int nvram_write_error_log(char * buff, int length,
         int rc = nvram_write_os_partition(&rtas_log_partition, buff, length,
                                                 err_type, error_log_cnt);
         if (!rc) {
-                last_unread_rtas_event = get_seconds();
+                last_unread_rtas_event = ktime_get_real_seconds();
 #ifdef CONFIG_PSTORE
-                last_rtas_event = get_seconds();
+                last_rtas_event = ktime_get_real_seconds();
 #endif
         }
 
@@ -200,7 +200,7 @@ int clobbering_unread_rtas_event(void)
 {
         return (oops_log_partition.index == rtas_log_partition.index
                 && last_unread_rtas_event
-                && get_seconds() - last_unread_rtas_event <=
+                && ktime_get_real_seconds() - last_unread_rtas_event <=
                                                 NVRAM_RTAS_READ_TIMEOUT);
 }