Replace the open-coded PERIOD_MAX constant (0x10000) with a definition
derived from the TBPRD field layout. Introduce TIEHRPWM_TBPRD_TBPRD to
describe the 16-bit TBPRD field and compute TIEHRPWM_PERIOD_MAX as
FIELD_MAX(TIEHRPWM_TBPRD_TBPRD) + 1.
This keeps the effective upper bound unchanged while tying it directly
to the hardware register layout instead of a hard-coded literal.
No functional change intended.
Signed-off-by: Rafael V. Volkmer <rafael.v.volkmer@gmail.com>
---
drivers/pwm/pwm-tiehrpwm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index 0802f0553587..4b8b4a9e7379 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -38,7 +38,9 @@
#define TIEHRPWM_CLKDIV_MAX 7
#define TIEHRPWM_HSPCLKDIV_MAX 7
-#define TIEHRPWM_PERIOD_MAX 0x10000
+
+#define TIEHRPWM_TBPRD_TBPRD GENMASK(15, 0)
+#define TIEHRPWM_PERIOD_MAX (FIELD_MAX(TIEHRPWM_TBPRD_TBPRD) + 1)
/* compare module registers */
#define TIEHRPWM_CMPA 0x12
--
2.43.0