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Message-Id: <20240823-cleanup-h-guard-pm-domain-v1-1-8320722eaf39@linaro.org>
Date: Fri, 23 Aug 2024 14:51:05 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Ulf Hansson <ulf.hansson@...aro.org>, Heiko Stuebner <heiko@...ech.de>,
Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>, Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>
Cc: linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
imx@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
linux-renesas-soc@...r.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 01/10] pmdomain: rockchip: Simplify with scoped for each OF
child loop
Use scoped for_each_available_child_of_node_scoped() and
for_each_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
drivers/pmdomain/rockchip/pm-domains.c | 20 ++++++--------------
1 file changed, 6 insertions(+), 14 deletions(-)
diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c
index 64b4d7120d83..5679ad336a11 100644
--- a/drivers/pmdomain/rockchip/pm-domains.c
+++ b/drivers/pmdomain/rockchip/pm-domains.c
@@ -804,11 +804,10 @@ static void rockchip_configure_pd_cnt(struct rockchip_pmu *pmu,
static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
struct device_node *parent)
{
- struct device_node *np;
struct generic_pm_domain *child_domain, *parent_domain;
int error;
- for_each_child_of_node(parent, np) {
+ for_each_child_of_node_scoped(parent, np) {
u32 idx;
error = of_property_read_u32(parent, "reg", &idx);
@@ -816,7 +815,7 @@ static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
dev_err(pmu->dev,
"%pOFn: failed to retrieve domain id (reg): %d\n",
parent, error);
- goto err_out;
+ return error;
}
parent_domain = pmu->genpd_data.domains[idx];
@@ -824,7 +823,7 @@ static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
if (error) {
dev_err(pmu->dev, "failed to handle node %pOFn: %d\n",
np, error);
- goto err_out;
+ return error;
}
error = of_property_read_u32(np, "reg", &idx);
@@ -832,7 +831,7 @@ static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
dev_err(pmu->dev,
"%pOFn: failed to retrieve domain id (reg): %d\n",
np, error);
- goto err_out;
+ return error;
}
child_domain = pmu->genpd_data.domains[idx];
@@ -840,7 +839,7 @@ static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
if (error) {
dev_err(pmu->dev, "%s failed to add subdomain %s: %d\n",
parent_domain->name, child_domain->name, error);
- goto err_out;
+ return error;
} else {
dev_dbg(pmu->dev, "%s add subdomain: %s\n",
parent_domain->name, child_domain->name);
@@ -850,17 +849,12 @@ static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
}
return 0;
-
-err_out:
- of_node_put(np);
- return error;
}
static int rockchip_pm_domain_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
- struct device_node *node;
struct device *parent;
struct rockchip_pmu *pmu;
const struct rockchip_pmu_info *pmu_info;
@@ -918,12 +912,11 @@ static int rockchip_pm_domain_probe(struct platform_device *pdev)
*/
mutex_lock(&dmc_pmu_mutex);
- for_each_available_child_of_node(np, node) {
+ for_each_available_child_of_node_scoped(np, node) {
error = rockchip_pm_add_one_domain(pmu, node);
if (error) {
dev_err(dev, "failed to handle node %pOFn: %d\n",
node, error);
- of_node_put(node);
goto err_out;
}
@@ -931,7 +924,6 @@ static int rockchip_pm_domain_probe(struct platform_device *pdev)
if (error < 0) {
dev_err(dev, "failed to handle subdomain node %pOFn: %d\n",
node, error);
- of_node_put(node);
goto err_out;
}
}
--
2.43.0
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