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SubjectRe: [PATCH] staging: Convert to using %pOFn instead of device_node.name
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Hi,

On 28/08/2018 02:52, Rob Herring wrote:
> In preparation to remove the node name pointer from struct device_node,
> convert printf users to use the %pOFn format specifier.
>
> Cc: Steve Longerbeam <slongerbeam@gmail.com>
> Cc: Philipp Zabel <p.zabel@pengutronix.de>
> Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: linux-media@vger.kernel.org
> Cc: devel@driverdev.osuosl.org
> Signed-off-by: Rob Herring <robh@kernel.org>
> ---
> drivers/staging/media/imx/imx-media-dev.c | 11 ++++++-----
> drivers/staging/media/imx/imx-media-of.c | 4 ++--
> drivers/staging/mt7621-eth/mdio.c | 4 ++--
> 3 files changed, 10 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/staging/media/imx/imx-media-dev.c b/drivers/staging/media/imx/imx-media-dev.c
> index b0be80f05767..818846f8c291 100644
> --- a/drivers/staging/media/imx/imx-media-dev.c
> +++ b/drivers/staging/media/imx/imx-media-dev.c
> @@ -89,8 +89,8 @@ int imx_media_add_async_subdev(struct imx_media_dev *imxmd,
>
> /* return -EEXIST if this asd already added */
> if (find_async_subdev(imxmd, fwnode, devname)) {
> - dev_dbg(imxmd->md.dev, "%s: already added %s\n",
> - __func__, np ? np->name : devname);
> + dev_dbg(imxmd->md.dev, "%s: already added %pOFn\n",
> + __func__, np ? np : devname);

This won't work for the np==NULL case I think since devname is just a
string.

Regards,
Ian
> ret = -EEXIST;
> goto out;
> }
> @@ -105,19 +105,20 @@ int imx_media_add_async_subdev(struct imx_media_dev *imxmd,
> if (fwnode) {
> asd->match_type = V4L2_ASYNC_MATCH_FWNODE;
> asd->match.fwnode = fwnode;
> + dev_dbg(imxmd->md.dev, "%s: added %pOFn, match type FWNODE\n",
> + __func__, np);
> } else {
> asd->match_type = V4L2_ASYNC_MATCH_DEVNAME;
> asd->match.device_name = devname;
> imxasd->pdev = pdev;
> + dev_dbg(imxmd->md.dev, "%s: added %s, match type DEVNAME\n",
> + __func__, devname);
> }
>
> list_add_tail(&imxasd->list, &imxmd->asd_list);
>
> imxmd->subdev_notifier.num_subdevs++;
>
> - dev_dbg(imxmd->md.dev, "%s: added %s, match type %s\n",
> - __func__, np ? np->name : devname, np ? "FWNODE" : "DEVNAME");
> -
> out:
> mutex_unlock(&imxmd->mutex);
> return ret;
> diff --git a/drivers/staging/media/imx/imx-media-of.c b/drivers/staging/media/imx/imx-media-of.c
> index acde372c6795..cb74df356576 100644
> --- a/drivers/staging/media/imx/imx-media-of.c
> +++ b/drivers/staging/media/imx/imx-media-of.c
> @@ -79,8 +79,8 @@ of_parse_subdev(struct imx_media_dev *imxmd, struct device_node *sd_np,
> int i, num_ports, ret;
>
> if (!of_device_is_available(sd_np)) {
> - dev_dbg(imxmd->md.dev, "%s: %s not enabled\n", __func__,
> - sd_np->name);
> + dev_dbg(imxmd->md.dev, "%pOFn: %s not enabled\n", __func__,
> + sd_np);
> /* unavailable is not an error */
> return 0;
> }
> diff --git a/drivers/staging/mt7621-eth/mdio.c b/drivers/staging/mt7621-eth/mdio.c
> index 7ad0c4141205..9ffa8f771235 100644
> --- a/drivers/staging/mt7621-eth/mdio.c
> +++ b/drivers/staging/mt7621-eth/mdio.c
> @@ -70,7 +70,7 @@ int mtk_connect_phy_node(struct mtk_eth *eth, struct mtk_mac *mac,
> _port = of_get_property(phy_node, "reg", NULL);
>
> if (!_port || (be32_to_cpu(*_port) >= 0x20)) {
> - pr_err("%s: invalid port id\n", phy_node->name);
> + pr_err("%pOFn: invalid port id\n", phy_node);
> return -EINVAL;
> }
> port = be32_to_cpu(*_port);
> @@ -249,7 +249,7 @@ int mtk_mdio_init(struct mtk_eth *eth)
> eth->mii_bus->priv = eth;
> eth->mii_bus->parent = eth->dev;
>
> - snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
> + snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np);
> err = of_mdiobus_register(eth->mii_bus, mii_np);
> if (err)
> goto err_free_bus;
>

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