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Date:	Sun, 9 Mar 2014 09:53:58 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Chew Chiau Ee <chiau.ee.chew@...el.com>
Cc:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] i2c: designware-pci: add 10-bit addressing mode
 functionality for BYT I2C

On Fri, Mar 07, 2014 at 10:12:50PM +0800, Chew Chiau Ee wrote:
> From: Chew, Chiau Ee <chiau.ee.chew@...el.com>
> 
> All the I2C controllers on Intel BayTrail LPSS subsystem able
> to support 10-bit addressing mode functionality.
> 
> Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@...el.com>
> Signed-off-by: Ong, Boon Leong <boon.leong.ong@...el.com>
> ---
>  drivers/i2c/busses/i2c-designware-pcidrv.c |   17 +++++++++++------
>  1 files changed, 11 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
> index f1dabee..87f2fc4 100644
> --- a/drivers/i2c/busses/i2c-designware-pcidrv.c
> +++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
> @@ -64,12 +64,19 @@ struct dw_pci_controller {
>  	u32 tx_fifo_depth;
>  	u32 rx_fifo_depth;
>  	u32 clk_khz;
> +	u32 functionality;
>  };
>  
>  #define INTEL_MID_STD_CFG  (DW_IC_CON_MASTER |			\
>  				DW_IC_CON_SLAVE_DISABLE |	\
>  				DW_IC_CON_RESTART_EN)
>  
> +#define DW_DEFAULT_FUNCTIONALITY (I2C_FUNC_I2C |			\
> +					I2C_FUNC_SMBUS_BYTE |		\
> +					I2C_FUNC_SMBUS_BYTE_DATA |	\
> +					I2C_FUNC_SMBUS_WORD_DATA |	\
> +					I2C_FUNC_SMBUS_I2C_BLOCK)

Can't we have I2C_FUNC_SMBUS_EMUL here? (Need checking with
I2C_SMBUS_QUICK)


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