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Message-Id: <20240826-phy-of-node-scope-v1-5-5b4d82582644@linaro.org>
Date: Mon, 26 Aug 2024 12:07:21 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...nel.org>, Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Chunfeng Yun <chunfeng.yun@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: linux-phy@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
linux-arm-msm@...r.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 05/11] phy: mediatek: tphy: Simplify with scoped for each
OF child loop
Use scoped 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/phy/mediatek/phy-mtk-tphy.c | 30 +++++++++++-------------------
1 file changed, 11 insertions(+), 19 deletions(-)
diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index 25b86bbb9cec..3f7095ec5978 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -1577,12 +1577,11 @@ static int mtk_tphy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
- struct device_node *child_np;
struct phy_provider *provider;
struct resource *sif_res;
struct mtk_tphy *tphy;
struct resource res;
- int port, retval;
+ int port;
tphy = devm_kzalloc(dev, sizeof(*tphy), GFP_KERNEL);
if (!tphy)
@@ -1623,25 +1622,23 @@ static int mtk_tphy_probe(struct platform_device *pdev)
}
port = 0;
- for_each_child_of_node(np, child_np) {
+ for_each_child_of_node_scoped(np, child_np) {
struct mtk_phy_instance *instance;
struct clk_bulk_data *clks;
struct device *subdev;
struct phy *phy;
+ int retval;
instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL);
- if (!instance) {
- retval = -ENOMEM;
- goto put_child;
- }
+ if (!instance)
+ return -ENOMEM;
tphy->phys[port] = instance;
phy = devm_phy_create(dev, child_np, &mtk_tphy_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create phy\n");
- retval = PTR_ERR(phy);
- goto put_child;
+ return PTR_ERR(phy);
}
subdev = &phy->dev;
@@ -1649,14 +1646,12 @@ static int mtk_tphy_probe(struct platform_device *pdev)
if (retval) {
dev_err(subdev, "failed to get address resource(id-%d)\n",
port);
- goto put_child;
+ return retval;
}
instance->port_base = devm_ioremap_resource(subdev, &res);
- if (IS_ERR(instance->port_base)) {
- retval = PTR_ERR(instance->port_base);
- goto put_child;
- }
+ if (IS_ERR(instance->port_base))
+ return PTR_ERR(instance->port_base);
instance->phy = phy;
instance->index = port;
@@ -1668,19 +1663,16 @@ static int mtk_tphy_probe(struct platform_device *pdev)
clks[1].id = "da_ref"; /* analog clock */
retval = devm_clk_bulk_get_optional(subdev, TPHY_CLKS_CNT, clks);
if (retval)
- goto put_child;
+ return retval;
retval = phy_type_syscon_get(instance, child_np);
if (retval)
- goto put_child;
+ return retval;
}
provider = devm_of_phy_provider_register(dev, mtk_phy_xlate);
return PTR_ERR_OR_ZERO(provider);
-put_child:
- of_node_put(child_np);
- return retval;
}
static struct platform_driver mtk_tphy_driver = {
--
2.43.0
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