Re: [PATCH 27/28] ARM: davinci: mityomapl138: use device properties for at24 eeprom

Andy Shevchenko
2018-08-08T18:00:39Z

On Wed, Aug 8, 2018 at 8:58 PM, Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
> On Wed, Aug 8, 2018 at 6:31 PM, Bartosz Golaszewski <brgl@bgdev.pl> wrote:
>> From: Bartosz Golaszewski <bgolaszewski@baylibre.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@gmail.com>
>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>> ---
>> arch/arm/mach-davinci/board-mityomapl138.c | 11 +++++------
>> 1 file changed, 5 insertions(+), 6 deletions(-)
>>
>> diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c
>> index 17b67e26bc0e..be0fb7d17e25 100644
>> --- a/arch/arm/mach-davinci/board-mityomapl138.c
>> +++ b/arch/arm/mach-davinci/board-mityomapl138.c
>> @@ -14,11 +14,11 @@
>> #include <linux/init.h>
>> #include <linux/console.h>
>> #include <linux/platform_device.h>
>> +#include <linux/property.h>
>> #include <linux/mtd/partitions.h>
>> #include <linux/notifier.h>
>> #include <linux/regulator/machine.h>
>> #include <linux/i2c.h>
>> -#include <linux/platform_data/at24.h>
>> #include <linux/etherdevice.h>
>> #include <linux/spi/spi.h>
>> #include <linux/spi/flash.h>
>> @@ -185,10 +185,9 @@ static struct nvmem_cell_lookup mityomapl138_nvmem_cells[] = {
>> }
>> };
>>
>> -static struct at24_platform_data mityomapl138_fd_chip = {
>> - .byte_len = 256,
>> - .page_size = 8,
>> - .flags = AT24_FLAG_READONLY | AT24_FLAG_IRUGO,
>> +static const struct property_entry mityomapl138_fd_chip_properties[] = {
>> + PROPERTY_ENTRY_U32("pagesize", 8),
>> + PROPERTY_ENTRY_BOOL("read-only"),

Missed terminator

>> };
>>
>> static struct davinci_i2c_platform_data mityomap_i2c_0_pdata = {
>> @@ -317,7 +316,7 @@ static struct i2c_board_info __initdata mityomap_tps65023_info[] = {
>> },
>> {
>> I2C_BOARD_INFO("24c02", 0x50),
>> - .platform_data = &mityomapl138_fd_chip,
>> + .properties = mityomapl138_fd_chip_properties,
>> },
>> };
>>
>> --
>> 2.18.0
>>
>> --
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>
>
>
> --
> With Best Regards,
> Andy Shevchenko

--
With Best Regards,
Andy Shevchenko