diff mbox

[v4,02/20] clocksource: samsung_pwm_timer: Correct definition of AUTORELOAD bit

Message ID 1374278673-25615-3-git-send-email-tomasz.figa@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tomasz Figa July 20, 2013, 12:04 a.m. UTC 
PWM channel 4 has its autoreload bit located at different position. This
patch fixes the driver to account for that.

This fixes a problem with the clocksource hanging after it overflows because
it is not reloaded any more.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Tested-by: Tomasz Figa <tomasz.figa@gmail.com>
---
 drivers/clocksource/samsung_pwm_timer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
index 3fa5b07..e238fb0 100644
--- a/drivers/clocksource/samsung_pwm_timer.c
+++ b/drivers/clocksource/samsung_pwm_timer.c
@@ -47,7 +47,8 @@ 
 #define TCON_START(chan)		(1 << (4 * (chan) + 0))
 #define TCON_MANUALUPDATE(chan)		(1 << (4 * (chan) + 1))
 #define TCON_INVERT(chan)		(1 << (4 * (chan) + 2))
-#define TCON_AUTORELOAD(chan)		(1 << (4 * (chan) + 3))
+#define TCON_AUTORELOAD(chan)		(1 << (4 * (chan) \
+						+ (((chan) < 5) ? 3 : 2)))
 
 DEFINE_SPINLOCK(samsung_pwm_lock);
 EXPORT_SYMBOL(samsung_pwm_lock);