linux-kernel - Re: [PATCH V3] i2c: i801: Adding Intel Lewisburg support for iTCO

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Date:	Wed, 10 Feb 2016 10:42:31 +0100
From:	Jean Delvare <jdelvare@...e.de>
To:	Alexandra Yates <alexandra.yates@...ux.intel.com>
Cc:	wsa@...-dreams.de, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3] i2c: i801: Adding Intel Lewisburg support for iTCO

Hi Alexandra,

On Fri,  5 Feb 2016 15:22:44 -0800, Alexandra Yates wrote:
> Changes log v2 to v3: Clarified commit message. No changes in code.
> 
> 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.  This patch is an addition
> to cdc5a3110e7c3ae793f367285789a6bc39c962dc i2c: i801: "add
> Intel Lewisburg device IDs".
> 
> Signed-off-by: Alexandra Yates <alexandra.yates@...ux.intel.com>
> ---
>  drivers/i2c/busses/i2c-i801.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
> index f62d697..27fa0cb 100644
> --- 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 *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;

Reviewed-by: Jean Delvare <jdelvare@...e.de>

Note this checkpatch warning though:

ERROR: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 0123456789ab ("commit description")'
#40: 
to cdc5a3110e7c3ae793f367285789a6bc39c962dc i2c: i801: "add

It is also common to add a "Fixes:" line with that information so that
patch backporting can be automated. And as I said before I would tag
the patch for stable as well.

-- 
Jean Delvare
SUSE L3 Support