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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: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: AngeloGioacchino 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: Rob Herring (Arm) <robh@kernel.org>
pull/1354/merge
Krzysztof Kozlowski 2025-11-12 11:28:54 +01:00 committed by Rob Herring (Arm)
parent fa622c9e9b
commit 599ff56eec
1 changed files with 1 additions and 15 deletions
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16
drivers/powercap/dtpm.c
View File

@ -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;