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Instead, walk the cache's children using for_each_child_of_node_scoped() and create the platform device for the MSC child node, skipping cache parents that firmware has marked disabled. Co-developed-by: Huang Yiwei Signed-off-by: Huang Yiwei Signed-off-by: Yin Li --- drivers/resctrl/mpam_devices.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) diff --git a/drivers/resctrl/mpam_devices.c b/drivers/resctrl/mpam_devices.c index 480e38cfa86d..7ef3ed55b066 100644 --- a/drivers/resctrl/mpam_devices.c +++ b/drivers/resctrl/mpam_devices.c @@ -2366,23 +2366,20 @@ static struct platform_driver mpam_msc_driver = { */ static void mpam_dt_create_foundling_msc(void) { - struct platform_device *pdev; - struct device_node *cache; - - for_each_compatible_node(cache, NULL, "cache") { - struct device_node *cache_device; - - if (of_node_check_flag(cache, OF_POPULATED)) - continue; - - cache_device = of_find_matching_node_and_match(cache, mpam_of_match, NULL); - if (!cache_device) + for_each_compatible_node_scoped(cache, NULL, "cache") { + if (!of_device_is_available(cache)) continue; - of_node_put(cache_device); - pdev = of_platform_device_create(cache, "cache", NULL); - if (!pdev) - pr_err_once("Failed to create MSC devices under caches\n"); + for_each_child_of_node_scoped(cache, child) { + if (!of_match_node(mpam_of_match, child)) + continue; + if (!of_device_is_available(child)) + continue; + if (of_node_check_flag(child, OF_POPULATED)) + continue; + if (!of_platform_device_create(child, NULL, NULL)) + pr_err("Failed to create MSC device for %pOF\n", child); + } } } -- 2.34.1