[PATCH 23/24] timekeeping: Remove TK_MIRROR timekeeping_update() action

Anna-Maria Behnsen
2024-09-11T13:30:12Z

All call sites of using TK_MIRROR flag in timekeeping_update() are
gone. The TK_MIRROR dependent code path is therefore dead code.

Remove it along with the TK_MIRROR define.

Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
---
kernel/time/timekeeping.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index cbca0351ceca..6aa77cec23f8 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -30,8 +30,7 @@
#include "timekeeping_internal.h"

#define TK_CLEAR_NTP (1 << 0)
-#define TK_MIRROR (1 << 1)
-#define TK_CLOCK_WAS_SET (1 << 2)
+#define TK_CLOCK_WAS_SET (1 << 1)

#define TK_UPDATE_ALL (TK_CLEAR_NTP | TK_CLOCK_WAS_SET)

@@ -797,13 +796,6 @@ static void timekeeping_update(struct tk_data *tkd, struct timekeeper *tk, unsig

if (action & TK_CLOCK_WAS_SET)
tk->clock_was_set_seq++;
- /*
- * The mirroring of the data to the shadow-timekeeper needs
- * to happen last here to ensure we don't over-write the
- * timekeeper structure on the next update with stale data
- */
- if (action & TK_MIRROR)
- timekeeping_restore_shadow(tkd);
}

static void timekeeping_update_staged(struct tk_data *tkd, unsigned int action)

--
2.39.2