This is a note to let you know that I've just added the patch titled
pwm: hibvt: Explicitly set .polarity in .get_state()
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pwm-hibvt-explicitly-set-.polarity-in-.get_state.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6f57937980142715e927697a6ffd2050f38ed6f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@xxxxxxxxxxxxxx>
Date: Wed, 22 Mar 2023 22:45:40 +0100
Subject: pwm: hibvt: Explicitly set .polarity in .get_state()
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From: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
commit 6f57937980142715e927697a6ffd2050f38ed6f6 upstream.
The driver only both polarities. Complete the implementation of
.get_state() by setting .polarity according to the configured hardware
state.
Fixes: d09f00810850 ("pwm: Add PWM driver for HiSilicon BVT SOCs")
Link: https://lore.kernel.org/r/20230228135508.1798428-2-u.kleine-koenig@xxxxxxxxxxxxxx
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pwm/pwm-hibvt.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/pwm/pwm-hibvt.c
+++ b/drivers/pwm/pwm-hibvt.c
@@ -146,6 +146,7 @@ static void hibvt_pwm_get_state(struct p
value = readl(base + PWM_CTRL_ADDR(pwm->hwpwm));
state->enabled = (PWM_ENABLE_MASK & value);
+ state->polarity = (PWM_POLARITY_MASK & value) ? PWM_POLARITY_INVERSED : PWM_POLARITY_NORMAL;
}
static int hibvt_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
Patches currently in stable-queue which might be from u.kleine-koenig@xxxxxxxxxxxxxx are
queue-5.4/pwm-hibvt-explicitly-set-.polarity-in-.get_state.patch
queue-5.4/platform-x86-hp-wmi-mark-driver-struct-with-__refdat.patch
