commit 2027d97daca5d4783d76e387048d56ef9556b3e1
author Alvis Sun <yfsun@nuvoton.com> Wed Jun 11 14:58:13 2025 +0800
committer Benjamin Cabé <kartben@gmail.com> Mon Jun 16 14:13:55 2025 +0200
tree b917421bf289a2db565e673f68a325af205ccd00
parent d789d13ec080c906e41402a23b11be8a524eeb4a

drivers: clock_control: add validation for SYS_CLOCK_HW_CYCLES_PER_SEC

Check whether the value of SYS_CLOCK_HW_CYCLES_PER_SEC is valid.

Signed-off-by: Alvis Sun <yfsun@nuvoton.com>

drivers/clock_control/clock_control_npcx.c

diff --git a/drivers/clock_control/clock_control_npcx.c b/drivers/clock_control/clock_control_npcx.c
index 586276e..c7848d6 100644
--- a/drivers/clock_control/clock_control_npcx.c
+++ b/drivers/clock_control/clock_control_npcx.c
@@ -161,6 +161,8 @@
 };
 
 /* valid clock frequency check */
+BUILD_ASSERT(CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC == OFMCLK / (APB2DIV_VAL + 1),
+	     "SYS_CLOCK_HW_CYCLES_PER_SEC must equal to OFMCLK/APB2DIV_VAL");
 BUILD_ASSERT(OFMCLK <= MAX_OFMCLK, "Exceed maximum OFMCLK setting");
 BUILD_ASSERT(CORE_CLK <= MAX_OFMCLK && CORE_CLK >= MHZ(4) &&
 	     OFMCLK % CORE_CLK == 0 &&