From: Eugene Shalygin <eugene.shalygin@gmail.com>
To: eugene.shalygin@gmail.com
Cc: Guenter Roeck <linux@roeck-us.net>,
linux-hwmon@vger.kernel.org (open list:ASUS EC HARDWARE MONITOR
DRIVER), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH] hwmon: (asus-ec-sensors) fix EC read intervals
Date: Sun, 12 Jul 2026 12:54:13 +0200 [thread overview]
Message-ID: <20260712105422.920360-1-eugene.shalygin@gmail.com> (raw)
Take INITIAL_JIFFIES into account when setting up next update time.
Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Fixes: d0ddfd241e57 ("hwmon: (asus-ec-sensors) add driver for ASUS EC")
---
drivers/hwmon/asus-ec-sensors.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/hwmon/asus-ec-sensors.c b/drivers/hwmon/asus-ec-sensors.c
index 29a23484cbe7..4746c3718664 100644
--- a/drivers/hwmon/asus-ec-sensors.c
+++ b/drivers/hwmon/asus-ec-sensors.c
@@ -1009,7 +1009,7 @@ struct ec_sensors_data {
/* sorted list of unique register banks */
u8 banks[ASUS_EC_MAX_BANK + 1];
/* in jiffies */
- unsigned long last_updated;
+ u64 next_update;
struct lock_data lock_data;
/* number of board EC sensors */
u8 nr_sensors;
@@ -1278,13 +1278,12 @@ static int get_cached_value_or_update(const struct device *dev,
int sensor_index,
struct ec_sensors_data *state, s32 *value)
{
- if (time_after(jiffies, state->last_updated + HZ)) {
+ if (time_after64(get_jiffies_64(), state->next_update)) {
+ state->next_update = get_jiffies_64() + HZ;
if (update_ec_sensors(dev, state)) {
dev_err(dev, "update_ec_sensors() failure\n");
return -EIO;
}
-
- state->last_updated = jiffies;
}
*value = state->sensors[sensor_index].cached_value;
@@ -1402,6 +1401,7 @@ static int asus_ec_probe(struct platform_device *pdev)
if (!ec_data)
return -ENOMEM;
+ ec_data->next_update = INITIAL_JIFFIES;
dev_set_drvdata(dev, ec_data);
ec_data->board_info = pboard_info;
--
2.55.0
next reply other threads:[~2026-07-12 10:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-12 10:54 Eugene Shalygin [this message]
2026-07-12 11:02 ` [PATCH] hwmon: (asus-ec-sensors) fix EC read intervals sashiko-bot
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