[PATCH] eeprom: at24: add the "read-only" dt parameter support

[PATCH] eeprom: at24: add the "read-only" dt parameter support

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 drivers/eeprom/at24.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/eeprom/at24.c b/drivers/eeprom/at24.c
index 1227286fbe..050a35aed8 100644
--- a/drivers/eeprom/at24.c
+++ b/drivers/eeprom/at24.c
@@ -454,6 +454,10 @@ static int at24_probe(struct device_d *dev)
 	at24->cdev.size = chip.byte_len;
 
 	writable = !(chip.flags & AT24_FLAG_READONLY);
+
+	if (of_get_property(dev->device_node, "read-only", NULL))
+		writable = 0;
+
 	if (writable) {
 		unsigned write_max = chip.page_size;
 
-- 
2.11.0


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Re: [PATCH] eeprom: at24: add the "read-only" dt parameter support

[Sascha Hauer]

On Mon, Apr 24, 2017 at 07:35:59PM +0300, Antony Pavlov wrote:
> Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
> ---
>  drivers/eeprom/at24.c | 4 ++++
>  1 file changed, 4 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/drivers/eeprom/at24.c b/drivers/eeprom/at24.c
> index 1227286fbe..050a35aed8 100644
> --- a/drivers/eeprom/at24.c
> +++ b/drivers/eeprom/at24.c
> @@ -454,6 +454,10 @@ static int at24_probe(struct device_d *dev)
>  	at24->cdev.size = chip.byte_len;
>  
>  	writable = !(chip.flags & AT24_FLAG_READONLY);
> +
> +	if (of_get_property(dev->device_node, "read-only", NULL))
> +		writable = 0;
> +
>  	if (writable) {
>  		unsigned write_max = chip.page_size;
>  
> -- 
> 2.11.0
> 
> 

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