Re: [PATCH] mvebu: create bbu handler for kwb images and use it on cubox

["Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>]

Hallo Sascha,

On Mon, Jun 11, 2018 at 08:43:26AM +0200, Sascha Hauer wrote:
> On Fri, Jun 08, 2018 at 10:42:44AM +0200, Uwe Kleine-König wrote:
> > +static int mvebu_bbu_flash_update_handler(struct bbu_handler *bbuh,
> > +					  struct bbu_data *data)
> > +{
> > +	struct mvebu_bbu_handler *mbbuh =
> > +		container_of(bbuh, struct mvebu_bbu_handler, bbuh);
> > +	const void *image = data->image;
> > +	size_t size = data->len;
> > +	enum filetype ft = file_detect_type(image, size);
> > +
> > +	if ((mbbuh->version == 0 && ft == filetype_kwbimage_v0) ||
> > +	    (mbbuh->version == 1 && ft == filetype_kwbimage_v1) ||
> > +	    data->flags & BBU_FLAG_FORCE) {
> > +		int ret = bbu_confirm(data);
> > +		if (ret)
> > +			return ret;
> > +
> > +		return write_file_flash(bbuh->devicefile, image, size);
> > +	} else {
> > +		pr_err("%s is not a valid kwbimage\n", data->imagefile);
> > +		return -EINVAL;
> > +	}
> > +}
> 
> Could this code be shared with other boards?

Sure. It should work on all mvebu targets that boot from a flash memory.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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