linux-kernel - Re: [PATCH v8 4/6] i2c: designware: introducing I2C

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Message-ID: <fe61a6b8-fd6e-0f90-be31-852b252ddf33@linux.intel.com>
Date:   Thu, 20 Apr 2017 15:49:12 +0300
From:   Jarkko Nikula <jarkko.nikula@...ux.intel.com>
To:     Luis Oliveira <Luis.Oliveira@...opsys.com>, wsa@...-dreams.de,
        robh+dt@...nel.org, mark.rutland@....com,
        andriy.shevchenko@...ux.intel.com, mika.westerberg@...ux.intel.com,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Ramiro.Oliveira@...opsys.com, Joao.Pinto@...opsys.com,
        CARLOS.PALMINHA@...opsys.com
Subject: Re: [PATCH v8 4/6] i2c: designware: introducing I2C_SLAVE definitions

On 04/12/2017 07:47 PM, Luis Oliveira wrote:
> - Definitions were added to core library
> - A example was added to designware-core.txt Documentation that shows
>   how the slave can be setup using DTS
>
> SLAVE related definitions were added to the core of the controller.
>
> Signed-off-by: Luis Oliveira <lolivei@...opsys.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Acked-by: Rob Herring <robh@...nel.org>
> Acked-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com>
> ---
> v7-v8
> - no changes
...
> +#define DW_IC_RX_ABRT_SLAVE_RD_INTX	(1UL << ABRT_SLAVE_RD_INTX)
> +#define DW_IC_RX_ABRT_SLAVE_ARBLOST	(1UL << ABRT_SLAVE_ARBLOST)
> +#define DW_IC_RX_ABRT_SLAVE_FLUSH_TXFIFO	(1UL << ABRT_SLAVE_FLUSH_TXFIFO)
>
>  #define DW_IC_TX_ABRT_NOACK		(DW_IC_TX_ABRT_7B_ADDR_NOACK | \
>  					 DW_IC_TX_ABRT_10ADDR1_NOACK | \
> @@ -212,6 +237,7 @@ struct dw_i2c_dev {
>  	struct completion	cmd_complete;
>  	struct clk		*clk;
>  	struct reset_control	*rst;
> +	struct i2c_client		*slave;
>  	u32			(*get_clk_rate_khz) (struct dw_i2c_dev *dev);
>  	struct dw_pci_controller *controller;
>  	int			cmd_err;
> @@ -231,6 +257,7 @@ struct dw_i2c_dev {
>  	struct i2c_adapter	adapter;
>  	u32			functionality;
>  	u32			master_cfg;
> +	u32			slave_cfg;
>  	unsigned int		tx_fifo_depth;
>  	unsigned int		rx_fifo_depth;
>  	int			rx_outstanding;

You forgot to add comments here.

-- 
Jarkko