Commit e98a3bc0 authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Wolfram Sang
Browse files

i2c: i801: make FEATURE_BLOCK_PROC dependent on FEATURE_BLOCK_BUFFER 



According to the datasheet the block process call requires block
buffer mode. The user may disable block buffer mode by module
parameter disable_features, in such a case we have to clear
FEATURE_BLOCK_PROC.

Signed-off-by: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: default avatarJean Delvare <jdelvare@suse.de>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent f0c8f0ee

drivers/i2c/busses/i2c-i801.c

+4 −0
Original line number Diff line number Diff line
@@ -1658,6 +1658,10 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) 
	}

	priv->features &= ~disable_features;



	/* The block process call uses block buffer mode */

	if (!(priv->features & FEATURE_BLOCK_BUFFER))

		priv->features &= ~FEATURE_BLOCK_PROC;



	err = pcim_enable_device(dev);

	if (err) {

		dev_err(&dev->dev, "Failed to enable SMBus PCI device (%d)\n",