pwm: imx: document known limitations
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Message ID 20190730124227.4854-1-u.kleine-koenig@pengutronix.de
State New
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Series
  • pwm: imx: document known limitations
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Commit Message

Uwe Kleine-König July 30, 2019, 12:42 p.m. UTC
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 drivers/pwm/pwm-imx27.c | 4 ++++
 1 file changed, 4 insertions(+)

Patch
diff mbox series

diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c
index 434a351fb626..e37825ddba87 100644
--- a/drivers/pwm/pwm-imx27.c
+++ b/drivers/pwm/pwm-imx27.c
@@ -3,6 +3,10 @@ 
  * simple driver for PWM (Pulse Width Modulator) controller
  *
  * Derived from pxa PWM driver by eric miao <eric.miao@marvell.com>
+ *
+ * Limitations:
+ * - When disabled the output is driven to 0 independant of the configured
+ *   polarity.
  */
 
 #include <linux/bitfield.h>