stm class: sys-t: Fix the use of time_after()

The operands of time_after() are in a wrong order in both instances in
the sys-t driver. Fix that.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 39f10239df75 ("stm class: p_sys-t: Add support for CLOCKSYNC packets")
Fixes: d69d5e83110f ("stm class: Add MIPI SyS-T protocol support")
Cc: stable@vger.kernel.org # v4.20+
Link: https://lore.kernel.org/r/20200317062215.15598-3-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwtracing/stm/p_sys-t.c b/drivers/hwtracing/stm/p_sys-t.c
index b178a5495b6796e7687a82f422823545dc355b62..360b5c03df95b87e600843340ae24d6cfb9f0b99 100644 (file)
--- a/drivers/hwtracing/stm/p_sys-t.c
+++ b/drivers/hwtracing/stm/p_sys-t.c
@@ -238,7 +238,7 @@ static struct configfs_attribute *sys_t_policy_attrs[] = {
 static inline bool sys_t_need_ts(struct sys_t_output *op)
 {
        if (op->node.ts_interval &&
-           time_after(op->ts_jiffies + op->node.ts_interval, jiffies)) {
+           time_after(jiffies, op->ts_jiffies + op->node.ts_interval)) {
                op->ts_jiffies = jiffies;
 
                return true;
@@ -250,8 +250,8 @@ static inline bool sys_t_need_ts(struct sys_t_output *op)
 static bool sys_t_need_clock_sync(struct sys_t_output *op)
 {
        if (op->node.clocksync_interval &&
-           time_after(op->clocksync_jiffies + op->node.clocksync_interval,
-                      jiffies)) {
+           time_after(jiffies,
+                      op->clocksync_jiffies + op->node.clocksync_interval)) {
                op->clocksync_jiffies = jiffies;
 
                return true;