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Date:   Wed, 8 Aug 2018 20:59:24 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Jonathan Corbet <corbet@....net>, Sekhar Nori <nsekhar@...com>,
        Kevin Hilman <khilman@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Grygorii Strashko <grygorii.strashko@...com>,
        "David S . Miller" <davem@...emloft.net>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Naren <naren.kernel@...il.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Lukas Wunner <lukas@...ner.de>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ivan Khoronzhuk <ivan.khoronzhuk@...aro.org>,
        Sven Van Asbroeck <svendev@...x.com>,
        Paolo Abeni <pabeni@...hat.com>, Alban Bedel <albeu@...e.fr>,
        Rob Herring <robh@...nel.org>,
        David Lechner <david@...hnology.com>,
        Andrew Lunn <andrew@...n.ch>,
        Linux Documentation List <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        "open list:MEMORY TECHNOLOGY..." <linux-mtd@...ts.infradead.org>,
        Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 21/28] ARM: davinci: dm644x-evm: use device properties for
 at24 eeprom

On Wed, Aug 8, 2018 at 8:55 PM, Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
> On Wed, Aug 8, 2018 at 6:31 PM, Bartosz Golaszewski <brgl@...ev.pl> wrote:
>> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
>>
>> We want to work towards phasing out the at24_platform_data structure.
>> There are few users and its contents can be represented using generic
>> device properties. Using device properties only will allow us to
>> significantly simplify the at24 configuration code.
>>
>> Remove the at24_platform_data structure and replace it with an array
>> of property entries. Drop the byte_len/size property, as the model name
>> already implies the EEPROM's size.
>>
>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
>> ---
>>  arch/arm/mach-davinci/board-dm644x-evm.c | 12 ++++--------
>>  1 file changed, 4 insertions(+), 8 deletions(-)
>>
>> diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
>> index 6d35c6e1b0bd..abfcf42da6fb 100644
>> --- a/arch/arm/mach-davinci/board-dm644x-evm.c
>> +++ b/arch/arm/mach-davinci/board-dm644x-evm.c
>> @@ -16,8 +16,8 @@
>>  #include <linux/gpio/machine.h>
>>  #include <linux/i2c.h>
>>  #include <linux/platform_data/pcf857x.h>
>> -#include <linux/platform_data/at24.h>
>>  #include <linux/platform_data/gpio-davinci.h>
>> +#include <linux/property.h>
>>  #include <linux/mtd/mtd.h>
>>  #include <linux/mtd/rawnand.h>
>>  #include <linux/mtd/partitions.h>
>> @@ -486,12 +486,8 @@ static struct nvmem_cell_lookup dm6446evm_mac_address_cell = {
>>         .nvmem_name = "1-00500",
>>  };
>>
>> -static struct at24_platform_data eeprom_info = {
>> -       .byte_len       = (256*1024) / 8,
>> -       .page_size      = 64,
>> -       .flags          = AT24_FLAG_ADDR16,
>> -       .setup          = davinci_get_mac_addr,
>> -       .context        = (void *)0x7f00,
>> +static const struct property_entry eeprom_properties[] = {
>> +       PROPERTY_ENTRY_U32("pagesize", 64),

Missed terminator, though

>>  };
>>
>>  /*
>> @@ -601,7 +597,7 @@ static struct i2c_board_info __initdata i2c_info[] =  {
>>         },
>>         {
>>                 I2C_BOARD_INFO("24c256", 0x50),
>> -               .platform_data  = &eeprom_info,
>> +               .properties = eeprom_properties,
>>         },
>>         {
>>                 I2C_BOARD_INFO("tlv320aic33", 0x1b),
>> --
>> 2.18.0
>>
>> --
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>
>
>
> --
> With Best Regards,
> Andy Shevchenko



-- 
With Best Regards,
Andy Shevchenko

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