summaryrefslogtreecommitdiff
path: root/drivers/phy/broadcom/phy-bcm-cygnus-pcie.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/phy/broadcom/phy-bcm-cygnus-pcie.c')
-rw-r--r--drivers/phy/broadcom/phy-bcm-cygnus-pcie.c42
1 files changed, 11 insertions, 31 deletions
diff --git a/drivers/phy/broadcom/phy-bcm-cygnus-pcie.c b/drivers/phy/broadcom/phy-bcm-cygnus-pcie.c
index 0f4ac5d63cff..462c61a24ec5 100644
--- a/drivers/phy/broadcom/phy-bcm-cygnus-pcie.c
+++ b/drivers/phy/broadcom/phy-bcm-cygnus-pcie.c
@@ -1,15 +1,5 @@
-/*
- * Copyright (C) 2015 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (C) 2015 Broadcom Corporation
#include <linux/delay.h>
#include <linux/io.h>
@@ -123,12 +113,10 @@ static const struct phy_ops cygnus_pcie_phy_ops = {
static int cygnus_pcie_phy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct device_node *node = dev->of_node, *child;
+ struct device_node *node = dev->of_node;
struct cygnus_pcie_phy_core *core;
struct phy_provider *provider;
- struct resource *res;
unsigned cnt = 0;
- int ret;
if (of_get_child_count(node) == 0) {
dev_err(dev, "PHY no child node\n");
@@ -141,42 +129,37 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
core->dev = dev;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- core->base = devm_ioremap_resource(dev, res);
+ core->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(core->base))
return PTR_ERR(core->base);
mutex_init(&core->lock);
- for_each_available_child_of_node(node, child) {
+ for_each_available_child_of_node_scoped(node, child) {
unsigned int id;
struct cygnus_pcie_phy *p;
if (of_property_read_u32(child, "reg", &id)) {
- dev_err(dev, "missing reg property for %s\n",
- child->name);
- ret = -EINVAL;
- goto put_child;
+ dev_err(dev, "missing reg property for %pOFn\n",
+ child);
+ return -EINVAL;
}
if (id >= MAX_NUM_PHYS) {
dev_err(dev, "invalid PHY id: %u\n", id);
- ret = -EINVAL;
- goto put_child;
+ return -EINVAL;
}
if (core->phys[id].phy) {
dev_err(dev, "duplicated PHY id: %u\n", id);
- ret = -EINVAL;
- goto put_child;
+ return -EINVAL;
}
p = &core->phys[id];
p->phy = devm_phy_create(dev, child, &cygnus_pcie_phy_ops);
if (IS_ERR(p->phy)) {
dev_err(dev, "failed to create PHY\n");
- ret = PTR_ERR(p->phy);
- goto put_child;
+ return PTR_ERR(p->phy);
}
p->core = core;
@@ -196,9 +179,6 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
dev_dbg(dev, "registered %u PCIe PHY(s)\n", cnt);
return 0;
-put_child:
- of_node_put(child);
- return ret;
}
static const struct of_device_id cygnus_pcie_phy_match_table[] = {