On 4 April 2018 12:47:06 BST, Bartosz Golaszewski <b...@bgdev.pl> wrote:
>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.
>
>Signed-off-by: Bartosz Golaszewski <b...@bgdev.pl>
Looks sensible to me.

Acked-by: Jonathan Cameron <jonathan.came...@huawei.com>

Will be a while before I can test but this looks safe enough..
>---
>NOTE: resending with correct e-mail address for Jonathan Cameron.
>
> arch/arm/mach-pxa/stargate2.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
>diff --git a/arch/arm/mach-pxa/stargate2.c
>b/arch/arm/mach-pxa/stargate2.c
>index df62bb23dbee..bbea5fa9a140 100644
>--- a/arch/arm/mach-pxa/stargate2.c
>+++ b/arch/arm/mach-pxa/stargate2.c
>@@ -27,11 +27,11 @@
> 
> #include <linux/platform_data/i2c-pxa.h>
> #include <linux/platform_data/pcf857x.h>
>-#include <linux/platform_data/at24.h>
> #include <linux/smc91x.h>
> #include <linux/gpio/machine.h>
> #include <linux/gpio.h>
> #include <linux/leds.h>
>+#include <linux/property.h>
> 
> #include <asm/types.h>
> #include <asm/setup.h>
>@@ -795,9 +795,9 @@ static struct pcf857x_platform_data
>platform_data_pcf857x = {
>       .context = NULL,
> };
> 
>-static struct at24_platform_data pca9500_eeprom_pdata = {
>-      .byte_len = 256,
>-      .page_size = 4,
>+static const struct property_entry pca9500_eeprom_properties[] = {
>+      PROPERTY_ENTRY_U32("pagesize", 4),
>+      { }
> };
> 
> /**
>@@ -935,7 +935,7 @@ static struct i2c_board_info __initdata
>stargate2_i2c_board_info[] = {
>       }, {
>               .type = "24c02",
>               .addr = 0x57,
>-              .platform_data = &pca9500_eeprom_pdata,
>+              .properties = pca9500_eeprom_properties,
>       }, {
>               .type = "max1238",
>               .addr = 0x35,

-- 
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