The comment from the i801 driver is valid here, too, so copy it. Reported-by: Jean Delvare <jdelvare@xxxxxxx> Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxx> --- drivers/i2c/busses/i2c-ali1535.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c index fb93152845f4..ee83c4581bce 100644 --- a/drivers/i2c/busses/i2c-ali1535.c +++ b/drivers/i2c/busses/i2c-ali1535.c @@ -508,6 +508,11 @@ static void ali1535_remove(struct pci_dev *dev) { i2c_del_adapter(&ali1535_adapter); release_region(ali1535_smba, ALI1535_SMB_IOSIZE); + + /* + * do not call pci_disable_device(dev) since it can cause hard hangs on + * some systems during power-off + */ } static struct pci_driver ali1535_driver = { -- 2.30.2