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i2c: i801: make FEATURE_BLOCK_PROC dependent on FEATURE_BLOCK_BUFFER

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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: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Heiner Kallweit 2022-12-19 19:15:25 +01:00 committed by Wolfram Sang
parent f0c8f0ee07
commit e98a3bc040
1 changed files with 4 additions and 0 deletions
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4
drivers/i2c/busses/i2c-i801.c
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@ -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",