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i2c: i801: Adding Intel Lewisburg support for iTCO

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commit 1a1503c5396eb7f2edf4b8ef6067853014478c0c upstream.

Starting from Intel Sunrisepoint (Skylake PCH) the iTCO watchdog
resources have been moved to reside under the i801 SMBus host
controller whereas previously they were under the LPC device.

This patch adds Intel lewisburg SMBus support for iTCO device.
It allows to load watchdog dynamically when the hardware is
present.

Fixes: cdc5a3110e ("i2c: i801: add Intel Lewisburg device IDs")
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Alexandra Yates <alexandra.yates@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexandra Yates 2016-02-17 18:21:21 -08:00 • committed by Greg Kroah-Hartman
parent be683dfd4c
commit 023e29e467
1 changed files with 2 additions and 0 deletions
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2
drivers/i2c/busses/i2c-i801.c
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@ -1271,6 +1271,8 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id)
switch (dev->device) {
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS:
case PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS:
case PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS:
case PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS:
case PCI_DEVICE_ID_INTEL_DNV_SMBUS:
priv->features |= FEATURE_I2C_BLOCK_READ;
priv->features |= FEATURE_IRQ;