Re: [PATCH 24/28] ARM: davinci: sffsdr: use device properties for at24 eeprom

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Wed, Aug 8, 2018 at 8:57 PM, Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Wed, Aug 8, 2018 at 6:31 PM, Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
>> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>>
>> 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@xxxxxxxxx>
>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>> ---
>>  arch/arm/mach-davinci/board-sffsdr.c | 11 +++++------
>>  1 file changed, 5 insertions(+), 6 deletions(-)
>>
>> diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c
>> index f6a4d094cbc3..680e5d7628a8 100644
>> --- a/arch/arm/mach-davinci/board-sffsdr.c
>> +++ b/arch/arm/mach-davinci/board-sffsdr.c
>> @@ -26,7 +26,7 @@
>>  #include <linux/init.h>
>>  #include <linux/platform_device.h>
>>  #include <linux/i2c.h>
>> -#include <linux/platform_data/at24.h>
>> +#include <linux/property.h>
>>  #include <linux/mtd/mtd.h>
>>  #include <linux/mtd/rawnand.h>
>>  #include <linux/mtd/partitions.h>
>> @@ -92,16 +92,15 @@ static struct platform_device davinci_sffsdr_nandflash_device = {
>>         .resource       = davinci_sffsdr_nandflash_resource,
>>  };
>>
>> -static struct at24_platform_data eeprom_info = {
>> -       .byte_len       = (64*1024) / 8,
>> -       .page_size      = 32,
>> -       .flags          = AT24_FLAG_ADDR16,
>> +static const struct property_entry eeprom_properties[] = {
>> +       PROPERTY_ENTRY_U32("pagesize", 32),
>> +       { },

No comma needed

>>  };
>>
>>  static struct i2c_board_info __initdata i2c_info[] =  {
>>         {
>>                 I2C_BOARD_INFO("24c64", 0x50),
>> -               .platform_data  = &eeprom_info,
>> +               .properties = eeprom_properties,
>>         },
>>         /* Other I2C devices:
>>          * MSP430,  addr 0x23 (not used)
>> --
>> 2.18.0
>>
>
>
>
> --
> With Best Regards,
> Andy Shevchenko



-- 
With Best Regards,
Andy Shevchenko

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