linux-kernel - Re: [PATCH v2 3/3] mfd: core: Add OF_MFD_CELL

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Message-ID: <6881d95e-c12b-8133-b27c-82c0a2842fd6@gmail.com>
Date:   Fri, 12 Jun 2020 07:28:23 -0500
From:   Frank Rowand <frowand.list@...il.com>
To:     Lee Jones <lee.jones@...aro.org>, andy.shevchenko@...il.com,
        michael@...le.cc, robh+dt@...nel.org, broonie@...nel.org,
        devicetree@...r.kernel.org, linus.walleij@...aro.org,
        linux@...ck-us.net, andriy.shevchenko@...ux.intel.com,
        robin.murphy@....com, gregkh@...uxfoundation.org,
        Frank Rowand <frowand.list@...il.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/3] mfd: core: Add OF_MFD_CELL_REG() helper

+Frank (me)

On 2020-06-11 14:10, Lee Jones wrote:
> Extend current list of helpers to provide support for parent drivers
> wishing to match specific child devices to particular OF nodes.
> 
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
>  include/linux/mfd/core.h | 17 +++++++++++------
>  1 file changed, 11 insertions(+), 6 deletions(-)
> 
> diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
> index ae1c6f90388ba..7ce1de99cd8b8 100644
> --- a/include/linux/mfd/core.h
> +++ b/include/linux/mfd/core.h
> @@ -14,7 +14,7 @@
>  
>  #define MFD_RES_SIZE(arr) (sizeof(arr) / sizeof(struct resource))
>  
> -#define MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _match)\
> +#define MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg, _use_of_reg,_match) \
>  	{								\
>  		.name = (_name),					\
>  		.resources = (_res),					\
> @@ -22,24 +22,29 @@
>  		.platform_data = (_pdata),				\
>  		.pdata_size = (_pdsize),				\
>  		.of_compatible = (_compat),				\
> +		.of_reg = (_of_reg),					\
> +		.use_of_reg = (_use_of_reg),				\
>  		.acpi_match = (_match),					\
>  		.id = (_id),						\
>  	}
>  
> +#define OF_MFD_CELL_REG(_name, _res, _pdata, _pdsize,_id, _compat, _of_reg) \
> +	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg, true, NULL)
> +
>  #define OF_MFD_CELL(_name, _res, _pdata, _pdsize,_id, _compat) \
> -	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, NULL)
> +	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, 0, false, NULL)
>  
>  #define ACPI_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _match) \
> -	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, _match)
> +	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, 0, false, _match)
>  
>  #define MFD_CELL_BASIC(_name, _res, _pdata, _pdsize, _id) \
> -	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, NULL)
> +	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, 0, false, NULL)
>  
>  #define MFD_CELL_RES(_name, _res) \
> -	MFD_CELL_ALL(_name, _res, NULL, 0, 0, NULL, NULL)
> +	MFD_CELL_ALL(_name, _res, NULL, 0, 0, NULL, 0, false, NULL)
>  
>  #define MFD_CELL_NAME(_name) \
> -	MFD_CELL_ALL(_name, NULL, NULL, 0, 0, NULL, NULL)
> +	MFD_CELL_ALL(_name, NULL, NULL, 0, 0, NULL, 0, false, NULL)
>  
>  struct irq_domain;
>  struct property_entry;
>