On Mon, Nov 21, 2011 at 02:31:31PM +0100, Hubert Feurstein wrote:
> Signed-off-by: Hubert Feurstein <h.feurstein@xxxxxxxxx>
> ---
> drivers/eeprom/at25.c | 15 +++++++++++++++
> 1 files changed, 15 insertions(+), 0 deletions(-)
Do we need this? We normally only have erase functions for devices that
need it, namely flashes.
Sascha
>
> diff --git a/drivers/eeprom/at25.c b/drivers/eeprom/at25.c
> index 8a979d5..39c5846 100644
> --- a/drivers/eeprom/at25.c
> +++ b/drivers/eeprom/at25.c
> @@ -237,10 +237,25 @@ static off_t at25_ee_lseek(struct cdev *cdev, off_t off)
> return off;
> }
>
> +static int at25_ee_erase(struct cdev *cdev, size_t count, unsigned long offset)
> +{
> + int result;
> + void *buf = xzalloc(count);
> +
> + result = at25_ee_write(cdev, buf, count, offset, 0);
> + free(buf);
> +
> + if (result < 0)
> + return result;
> +
> + return 0;
> +}
> +
> static struct file_operations at25_fops = {
> .read = at25_ee_read,
> .write = at25_ee_write,
> .lseek = at25_ee_lseek,
> + .erase = at25_ee_erase,
> };
>
> static int at25_probe(struct device_d *dev)
> --
> 1.7.4.1
>
>
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