Re: [PATCH -next] PCI: rpadlpar: use for_each_child_of_node() and for_each_node_by_name

From: Bjorn Helgaas
Date: Thu Sep 17 2020 - 12:59:29 EST


On Wed, Sep 16, 2020 at 02:21:28PM +0800, Qinglang Miao wrote:
> Use for_each_child_of_node() and for_each_node_by_name macro
> instead of open coding it.
>
> Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>

Applied to pci/hotplug for v5.10, thanks!

> ---
> drivers/pci/hotplug/rpadlpar_core.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
> index f979b7098..0a3c80ba6 100644
> --- a/drivers/pci/hotplug/rpadlpar_core.c
> +++ b/drivers/pci/hotplug/rpadlpar_core.c
> @@ -40,13 +40,13 @@ static DEFINE_MUTEX(rpadlpar_mutex);
> static struct device_node *find_vio_slot_node(char *drc_name)
> {
> struct device_node *parent = of_find_node_by_name(NULL, "vdevice");
> - struct device_node *dn = NULL;
> + struct device_node *dn;
> int rc;
>
> if (!parent)
> return NULL;
>
> - while ((dn = of_get_next_child(parent, dn))) {
> + for_each_child_of_node(parent, dn) {
> rc = rpaphp_check_drc_props(dn, drc_name, NULL);
> if (rc == 0)
> break;
> @@ -60,10 +60,10 @@ static struct device_node *find_vio_slot_node(char *drc_name)
> static struct device_node *find_php_slot_pci_node(char *drc_name,
> char *drc_type)
> {
> - struct device_node *np = NULL;
> + struct device_node *np;
> int rc;
>
> - while ((np = of_find_node_by_name(np, "pci"))) {
> + for_each_node_by_name(np, "pci") {
> rc = rpaphp_check_drc_props(np, drc_name, drc_type);
> if (rc == 0)
> break;
> --
> 2.23.0
>