[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [XEN][PATCH v6 08/19] xen/device-tree: Add device_tree_find_node_by_path() to find nodes in device tree
Hi Vikram, > -----Original Message----- > Subject: [XEN][PATCH v6 08/19] xen/device-tree: Add > device_tree_find_node_by_path() to find nodes in device tree > > Add device_tree_find_node_by_path() to find a matching node with path for > a > dt_device_node. > > Reason behind this function: > Each time overlay nodes are added using .dtbo, a new fdt(memcpy of > device_tree_flattened) is created and updated with overlay nodes. This > updated fdt is further unflattened to a dt_host_new. Next, we need to find > the overlay nodes in dt_host_new, find the overlay node's parent in > dt_host > and add the nodes as child under their parent in the dt_host. Thus we need > this function to search for node in different unflattened device trees. > > Also, make dt_find_node_by_path() static inline. > > Signed-off-by: Vikram Garhwal <vikram.garhwal@xxxxxxx> > --- > xen/common/device_tree.c | 5 +++-- > xen/include/xen/device_tree.h | 17 +++++++++++++++-- > 2 files changed, 18 insertions(+), 4 deletions(-) > [...] > /** > - * dt_find_node_by_path - Find a node matching a full DT path > + * device_tree_find_node_by_path - Generic function to find a node > matching the > + * full DT path for any given unflatten device tree > + * @dt_node: The device tree to search I noticed that you missed Michal's comment here about renaming the "dt_node" here to "dt" to match below function prototype... > * @path: The full path to match > * > * Returns a node pointer. > */ > -struct dt_device_node *dt_find_node_by_path(const char *path); > +struct dt_device_node *device_tree_find_node_by_path(struct > dt_device_node *dt, ...here. I personally agree with Michal so I think please fix the comment to keep consistency. The rest of the patch looks good to me, so as long as you fixed this, you can have my: Reviewed-by: Henry Wang <Henry.Wang@xxxxxxx> Kind regards, Henry
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