Hi Rob, Thank you for the patch. On Wednesday, 5 December 2018 21:50:29 EET Rob Herring wrote: > Convert string compares of DT node names to use of_node_name_eq helper > instead. This removes direct access to the node name pointer. > > Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> > Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> > Cc: Kukjin Kim <kgene@xxxxxxxxxx> > Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Cc: Benoit Parrot <bparrot@xxxxxx> > Cc: Hyun Kwon <hyun.kwon@xxxxxxxxxx> > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Cc: Michal Simek <michal.simek@xxxxxxxxxx> > Cc: linux-media@xxxxxxxxxxxxxxx > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: linux-samsung-soc@xxxxxxxxxxxxxxx > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> > --- > drivers/media/platform/exynos4-is/media-dev.c | 12 ++++++------ > drivers/media/platform/ti-vpe/cal.c | 4 ++-- > drivers/media/platform/xilinx/xilinx-tpg.c | 2 +- > drivers/media/v4l2-core/v4l2-fwnode.c | 6 ++---- > 4 files changed, 11 insertions(+), 13 deletions(-) > > diff --git a/drivers/media/platform/exynos4-is/media-dev.c > b/drivers/media/platform/exynos4-is/media-dev.c index > 870501b0f351..ced14af56606 100644 > --- a/drivers/media/platform/exynos4-is/media-dev.c > +++ b/drivers/media/platform/exynos4-is/media-dev.c > @@ -445,7 +445,7 @@ static int fimc_md_parse_port_node(struct fimc_md *fmd, > */ > np = of_get_parent(rem); > > - if (np && !of_node_cmp(np->name, "i2c-isp")) > + if (of_node_name_eq(np, "i2c-isp")) > pd->fimc_bus_type = FIMC_BUS_TYPE_ISP_WRITEBACK; > else > pd->fimc_bus_type = pd->sensor_bus_type; > @@ -495,7 +495,7 @@ static int fimc_md_register_sensor_entities(struct > fimc_md *fmd) for_each_available_child_of_node(parent, node) { > struct device_node *port; > > - if (of_node_cmp(node->name, "csis")) > + if (!of_node_name_eq(node, "csis")) > continue; > /* The csis node can have only port subnode. */ > port = of_get_next_child(node, NULL); > @@ -720,13 +720,13 @@ static int fimc_md_register_platform_entities(struct > fimc_md *fmd, continue; > > /* If driver of any entity isn't ready try all again later. */ > - if (!strcmp(node->name, CSIS_OF_NODE_NAME)) > + if (of_node_name_eq(node, CSIS_OF_NODE_NAME)) > plat_entity = IDX_CSIS; > - else if (!strcmp(node->name, FIMC_IS_OF_NODE_NAME)) > + else if (of_node_name_eq(node, FIMC_IS_OF_NODE_NAME)) You might want to s/if\t/if / while at it. > plat_entity = IDX_IS_ISP; > - else if (!strcmp(node->name, FIMC_LITE_OF_NODE_NAME)) > + else if (of_node_name_eq(node, FIMC_LITE_OF_NODE_NAME)) > plat_entity = IDX_FLITE; > - else if (!strcmp(node->name, FIMC_OF_NODE_NAME) && > + else if (of_node_name_eq(node, FIMC_OF_NODE_NAME) && And here too. Apart from that, Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > !of_property_read_bool(node, "samsung,lcd-wb")) > plat_entity = IDX_FIMC; > > diff --git a/drivers/media/platform/ti-vpe/cal.c > b/drivers/media/platform/ti-vpe/cal.c index 95a093f41905..fc3c212b96e1 > 100644 > --- a/drivers/media/platform/ti-vpe/cal.c > +++ b/drivers/media/platform/ti-vpe/cal.c > @@ -1615,7 +1615,7 @@ of_get_next_port(const struct device_node *parent, > return NULL; > } > prev = port; > - } while (of_node_cmp(port->name, "port") != 0); > + } while (!of_node_name_eq(port, "port")); > } > > return port; > @@ -1635,7 +1635,7 @@ of_get_next_endpoint(const struct device_node *parent, > if (!ep) > return NULL; > prev = ep; > - } while (of_node_cmp(ep->name, "endpoint") != 0); > + } while (!of_node_name_eq(ep, "endpoint")); > > return ep; > } > diff --git a/drivers/media/platform/xilinx/xilinx-tpg.c > b/drivers/media/platform/xilinx/xilinx-tpg.c index > 851d20dcd550..ce686b8d6cff 100644 > --- a/drivers/media/platform/xilinx/xilinx-tpg.c > +++ b/drivers/media/platform/xilinx/xilinx-tpg.c > @@ -725,7 +725,7 @@ static int xtpg_parse_of(struct xtpg_device *xtpg) > const struct xvip_video_format *format; > struct device_node *endpoint; > > - if (!port->name || of_node_cmp(port->name, "port")) > + if (!of_node_name_eq(port, "port")) > continue; > > format = xvip_of_get_format(port); > diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c > b/drivers/media/v4l2-core/v4l2-fwnode.c index 218f0da0ce76..849326241b17 > 100644 > --- a/drivers/media/v4l2-core/v4l2-fwnode.c > +++ b/drivers/media/v4l2-core/v4l2-fwnode.c > @@ -564,8 +564,7 @@ int v4l2_fwnode_parse_link(struct fwnode_handle > *__fwnode, fwnode = fwnode_get_parent(__fwnode); > fwnode_property_read_u32(fwnode, port_prop, &link->local_port); > fwnode = fwnode_get_next_parent(fwnode); > - if (is_of_node(fwnode) && > - of_node_cmp(to_of_node(fwnode)->name, "ports") == 0) > + if (is_of_node(fwnode) && of_node_name_eq(to_of_node(fwnode), "ports")) > fwnode = fwnode_get_next_parent(fwnode); > link->local_node = fwnode; > > @@ -578,8 +577,7 @@ int v4l2_fwnode_parse_link(struct fwnode_handle > *__fwnode, fwnode = fwnode_get_parent(fwnode); > fwnode_property_read_u32(fwnode, port_prop, &link->remote_port); > fwnode = fwnode_get_next_parent(fwnode); > - if (is_of_node(fwnode) && > - of_node_cmp(to_of_node(fwnode)->name, "ports") == 0) > + if (is_of_node(fwnode) && of_node_name_eq(to_of_node(fwnode), "ports")) > fwnode = fwnode_get_next_parent(fwnode); > link->remote_node = fwnode; -- Regards, Laurent Pinchart