This is a note to let you know that I've just added the patch titled hwmon: (lm90) Do not report 'busy' status bit as alarm to the 4.9-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: hwmon-lm90-do-not-report-busy-status-bit-as-alarm.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From cdc5287acad9ede121924a9c9313544b80d15842 Mon Sep 17 00:00:00 2001 From: Guenter Roeck <linux@xxxxxxxxxxxx> Date: Fri, 3 Dec 2021 13:42:22 -0800 Subject: hwmon: (lm90) Do not report 'busy' status bit as alarm From: Guenter Roeck <linux@xxxxxxxxxxxx> commit cdc5287acad9ede121924a9c9313544b80d15842 upstream. Bit 7 of the status register indicates that the chip is busy doing a conversion. It does not indicate an alarm status. Stop reporting it as alarm status bit. Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/hwmon/lm90.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -196,6 +196,7 @@ enum chips { lm90, adm1032, lm99, lm86, #define LM90_STATUS_RHIGH (1 << 4) /* remote high temp limit tripped */ #define LM90_STATUS_LLOW (1 << 5) /* local low temp limit tripped */ #define LM90_STATUS_LHIGH (1 << 6) /* local high temp limit tripped */ +#define LM90_STATUS_BUSY (1 << 7) /* conversion is ongoing */ #define MAX6696_STATUS2_R2THRM (1 << 1) /* remote2 THERM limit tripped */ #define MAX6696_STATUS2_R2OPEN (1 << 2) /* remote2 is an open circuit */ @@ -692,7 +693,7 @@ static int lm90_update_device(struct dev val = lm90_read_reg(client, LM90_REG_R_STATUS); if (val < 0) return val; - data->alarms = val; /* lower 8 bit of alarms */ + data->alarms = val & ~LM90_STATUS_BUSY; if (data->kind == max6696) { val = lm90_select_remote_channel(client, data, 1); Patches currently in stable-queue which might be from linux@xxxxxxxxxxxx are queue-4.9/hwmon-lm90-fix-usage-of-config2-register-in-detect-f.patch queue-4.9/hwmon-lm90-do-not-report-busy-status-bit-as-alarm.patch