[PATCH] soc: loongson: loongson2_guts: Use of_root instead of own reference

Binbin Zhou
2026-03-03T07:07:05Z

There is already a global of_root reference. Use that instead of getting
one on our own. We don't need to care about the reference count either
this way.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
---
drivers/soc/loongson/loongson2_guts.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/soc/loongson/loongson2_guts.c b/drivers/soc/loongson/loongson2_guts.c
index 16913c3ef65c..d32ec0748b12 100644
--- a/drivers/soc/loongson/loongson2_guts.c
+++ b/drivers/soc/loongson/loongson2_guts.c
@@ -92,7 +92,7 @@ static u32 loongson2_guts_get_svr(void)

static int loongson2_guts_probe(struct platform_device *pdev)
{
- struct device_node *root, *np = pdev->dev.of_node;
+ struct device_node *np = pdev->dev.of_node;
struct device *dev = &pdev->dev;
const struct loongson2_soc_die_attr *soc_die;
const char *machine;
@@ -109,11 +109,8 @@ static int loongson2_guts_probe(struct platform_device *pdev)
if (IS_ERR(guts->regs))
return PTR_ERR(guts->regs);

- /* Register soc device */
- root = of_find_node_by_path("/");
- if (of_property_read_string(root, "model", &machine))
- of_property_read_string_index(root, "compatible", 0, &machine);
- of_node_put(root);
+ if (of_property_read_string(of_root, "model", &machine))
+ of_property_read_string_index(of_root, "compatible", 0, &machine);
if (machine) {
soc_dev_attr.machine = devm_kstrdup(dev, machine, GFP_KERNEL);
if (!soc_dev_attr.machine)

base-commit: 862ad12fb14cdad9c647100fbc16f7d8171b4470
--
2.52.0