[PATCH] eeprom: at24: add the "read-only" dt parameter support
Sascha Hauer
s.hauer at pengutronix.de
Mon Apr 24 22:44:42 PDT 2017
On Mon, Apr 24, 2017 at 07:35:59PM +0300, Antony Pavlov wrote:
> Signed-off-by: Antony Pavlov <antonynpavlov at 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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