Re: [PATCH] media: Use of_node_name_eq for node name comparisons

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Hi Rob,

For ti-vpe/cal.c,

Reviewed-by: Benoit Parrot <bparrot@xxxxxx>

Regards,
Benoit

Rob Herring <robh@xxxxxxxxxx> wrote on Wed [2018-Dec-05 13:50:29 -0600]:
> 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))
>  			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) &&
>  			 !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;
>  
> -- 
> 2.19.1
> 



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