[PATCH] i2c: ali1535: mention that the device should not be disabled

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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




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