[PATCH 2/5] lib: sbi: Add error message for sbi_timer_event_start

[Xiang W]

Added error message output when no timer device is available.

Signed-off-by: Xiang W <wxjstz at 126.com>
---
 lib/sbi/sbi_timer.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/sbi/sbi_timer.c b/lib/sbi/sbi_timer.c
index 7ad12bff..14e5ee46 100644
--- a/lib/sbi/sbi_timer.c
+++ b/lib/sbi/sbi_timer.c
@@ -145,11 +145,17 @@ void sbi_timer_event_start(u64 next_event)
 #else
 		csr_write(CSR_STIMECMP, next_event);
 #endif
-	} else if (timer_dev && timer_dev->timer_event_start) {
+		return;
+	}
+
+	if (timer_dev && timer_dev->timer_event_start) {
 		timer_dev->timer_event_start(next_event);
 		csr_clear(CSR_MIP, MIP_STIP);
 		csr_set(CSR_MIE, MIP_MTIP);
+		return;
 	}
+
+	sbi_printf("%s: called without timer device\n", __func__);
 }
 
 void sbi_timer_process(void)
-- 
2.47.2