Re: [PATCH] i2c: i801: Add support for Intel Broxton

[Jean Delvare <jdelvare@suse.de>]

Hi Jarkko,

On Thu, 22 Oct 2015 17:16:58 +0300, Jarkko Nikula wrote:
> This patch adds the SMBUS PCI ID of Intel Broxton.
> 
> Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
> ---
> This goes on top of Mika's "[PATCH] i2c: i801: Add support for Intel DNV":
> http://marc.info/?l=linux-i2c&m=144474010421111&w=2
> ---
>  drivers/i2c/busses/i2c-i801.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
> index 47c2ddf76264..d8219bc2ac4e 100644
> --- a/drivers/i2c/busses/i2c-i801.c
> +++ b/drivers/i2c/busses/i2c-i801.c
> @@ -61,6 +61,7 @@
>   * Sunrise Point-H (PCH) 	0xa123  32	hard	yes	yes	yes
>   * Sunrise Point-LP (PCH)	0x9d23	32	hard	yes	yes	yes
>   * DNV (SOC)			0x19df	32	hard	yes	yes	yes
> + * Broxton (SOC)		0x5ad4	32	hard	yes	yes	yes
>   *
>   * Features supported by this driver:
>   * Software PEC				no
> @@ -204,6 +205,7 @@
>  #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS	0xa123
>  #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS	0x9d23
>  #define PCI_DEVICE_ID_INTEL_DNV_SMBUS			0x19df
> +#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS		0x5ad4

Can you please get this added to pci.ids?

http://pci-ids.ucw.cz/read/PC/8086

>  struct i801_mux_config {
>  	char *gpio_chip;
> @@ -866,6 +868,7 @@ static const struct pci_device_id i801_ids[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMBUS) },
> +	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BROXTON_SMBUS) },
>  	{ 0, }
>  };
>  

Does this one not have FEATURE_TCO as DNV does? If it does, you'll need
to add a line for it in the switch block in i801_probe().

Please also update Documentation/i2c/busses/i2c-i801 and
drivers/i2c/busses/Kconfig.

Thanks,
-- 
Jean Delvare
SUSE L3 Support