linux-kernel - [PATCH 4.4 294/342] i2c: i801: Adding Intel Lewisburg support for iTCO

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Date:	Tue, 01 Mar 2016 23:55:22 +0000
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	<linux-kernel@...r.kernel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<stable@...r.kernel.org>, Jean Delvare <jdelvare@...e.de>,
	Alexandra Yates <alexandra.yates@...ux.intel.com>,
	Wolfram Sang <wsa@...-dreams.de>
Subject: [PATCH 4.4 294/342] i2c: i801: Adding Intel Lewisburg support for iTCO

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexandra Yates <alexandra.yates@...ux.intel.com>

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: cdc5a3110e7c ("i2c: i801: add Intel Lewisburg device IDs")
Reviewed-by: Jean Delvare <jdelvare@...e.de>
Signed-off-by: Alexandra Yates <alexandra.yates@...ux.intel.com>
Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/i2c/busses/i2c-i801.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1271,6 +1271,8 @@ static int i801_probe(struct pci_dev *de
 	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;