From patchwork Mon Dec 24 00:01:18 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [1/3] mtd: omap-onenand: pass device_node in platform data From: Ezequiel Garcia X-Patchwork-Id: 207996 Message-Id: <1356307280-8323-1-git-send-email-ezequiel.garcia@free-electrons.com> To: , , Cc: Thomas Petazzoni , martinez.javier@gmail.com, matthias.bgg@googlemail.com, eballetbo@gmail.com, zonque@gmail.com, grant.likely@secretlab.ca, jon-hunter@ti.com, Ezequiel Garcia , b-cousson@ti.com Date: Sun, 23 Dec 2012 21:01:18 -0300 Pass an optional device_node pointer in the platform data, which in turn will be put into a mtd_part_parser_data. This way, code that sets up the platform devices can pass along the node from DT so that the partitions can be parsed. For non-DT boards, this change has no effect. Signed-off-by: Ezequiel Garcia Acked-by: Artem Bityutskiy --- drivers/mtd/onenand/omap2.c | 4 +++- include/linux/platform_data/mtd-onenand-omap2.h | 3 +++ 2 files changed, 6 insertions(+), 1 deletions(-) diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 065f3fe..eec2aed 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -637,6 +637,7 @@ static int omap2_onenand_probe(struct platform_device *pdev) struct onenand_chip *this; int r; struct resource *res; + struct mtd_part_parser_data ppdata = {}; pdata = pdev->dev.platform_data; if (pdata == NULL) { @@ -767,7 +768,8 @@ static int omap2_onenand_probe(struct platform_device *pdev) if ((r = onenand_scan(&c->mtd, 1)) < 0) goto err_release_regulator; - r = mtd_device_parse_register(&c->mtd, NULL, NULL, + ppdata.of_node = pdata->of_node; + r = mtd_device_parse_register(&c->mtd, NULL, &ppdata, pdata ? pdata->parts : NULL, pdata ? pdata->nr_parts : 0); if (r) diff --git a/include/linux/platform_data/mtd-onenand-omap2.h b/include/linux/platform_data/mtd-onenand-omap2.h index 685af7e..e9a9fb1 100644 --- a/include/linux/platform_data/mtd-onenand-omap2.h +++ b/include/linux/platform_data/mtd-onenand-omap2.h @@ -29,5 +29,8 @@ struct omap_onenand_platform_data { u8 flags; u8 regulator_can_sleep; u8 skip_initial_unlocking; + + /* for passing the partitions */ + struct device_node *of_node; }; #endif