From: Guenter Roeck Date: Fri, 3 Dec 2021 21:42:22 +0000 (-0800) Subject: hwmon: (lm90) Do not report 'busy' status bit as alarm X-Git-Tag: v5.10.95~716 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=50f78486f90b91484001bfccc652d66fc308255a;p=platform%2Fkernel%2Flinux-rpi.git hwmon: (lm90) Do not report 'busy' status bit as alarm 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index e6355c3..959446b 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -200,6 +200,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #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 */ @@ -819,7 +820,7 @@ static int lm90_update_device(struct device *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(data, 1);