IT8790E and IT8792E/IT8795E have been identified as chips that can have issues when disabling configuration mode. Set to never exit configuration mode. Signed-off-by: Frank Crawford <frank@xxxxxxxxxxxxxxxxxx> --- drivers/hwmon/it87.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 7049e81f5af1..c5e46b94f0b8 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -2453,6 +2453,13 @@ static int __init it87_find(int sioaddr, unsigned short *address, break; case IT8792E_DEVID: sio_data->type = it8792; + /* + * Disabling configuration mode on IT8792E can result in system + * hang-ups and access failures to the Super-IO chip at the + * second SIO address. Never exit configuration mode on this + * chip to avoid the problem. + */ + doexit = false; break; case IT8771E_DEVID: sio_data->type = it8771; @@ -2474,6 +2481,7 @@ static int __init it87_find(int sioaddr, unsigned short *address, break; case IT8790E_DEVID: sio_data->type = it8790; + doexit = false; /* See IT8792E comment above */ break; case IT8603E_DEVID: case IT8623E_DEVID: -- 2.39.1
