Commit 599ff56e authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Rob Herring (Arm)
Browse files

powercap: dtpm: Simplify with of_machine_get_match_data() 



Replace open-coded getting root OF node, matching against it and getting
the match data with new of_machine_get_match_data() helper.

Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: default avatarLukasz Luba <lukasz.luba@arm.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-9-d46b72003fd6@linaro.org


Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
parent fa622c9e

drivers/powercap/dtpm.c

+1 −15
Original line number Diff line number Diff line
@@ -548,9 +548,7 @@ static int dtpm_for_each_child(const struct dtpm_node *hierarchy, 
 */

int dtpm_create_hierarchy(struct of_device_id *dtpm_match_table)

{

	const struct of_device_id *match;

	const struct dtpm_node *hierarchy;

	struct device_node *np;

	int i, ret;



	mutex_lock(&dtpm_lock);
@@ -567,19 +565,7 @@ int dtpm_create_hierarchy(struct of_device_id *dtpm_match_table) 
		goto out_pct;

	}



	ret = -ENODEV;

	np = of_find_node_by_path("/");

	if (!np)

		goto out_err;



	match = of_match_node(dtpm_match_table, np);



	of_node_put(np);



	if (!match)

		goto out_err;



	hierarchy = match->data;

	hierarchy = of_machine_get_match_data(dtpm_match_table);

	if (!hierarchy) {

		ret = -EFAULT;

		goto out_err;