diff options
| author |   Liang He <windhl@126.com> | 2022-07-26 15:38:41 +0800 |
|---|---|---|
| committer |   Neil Armstrong <narmstrong@baylibre.com> | 2022-09-05 09:23:54 +0200 |
| commit | 9491cff16a4996aee578adf9f41acfb1bc483df9 (patch) | |
| tree | 6c5350eb29da42673d44464baffbce496b8286ec | |
| parent | Linux 6.0-rc1 (diff) | |
| download | wireguard-linux-9491cff16a4996aee578adf9f41acfb1bc483df9.tar.xz wireguard-linux-9491cff16a4996aee578adf9f41acfb1bc483df9.zip | |
soc: amlogic: meson-pwrc: Hold reference returned by of_get_parent()
We should hold the reference returned by of_get_parent() and use
it to call of_node_put() for refcount balance.
Signed-off-by: Liang He <windhl@126.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220726073841.1320509-1-windhl@126.com
| -rw-r--r-- | drivers/soc/amlogic/meson-ee-pwrc.c | 5 | ||||
| -rw-r--r-- | drivers/soc/amlogic/meson-gx-pwrc-vpu.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/soc/amlogic/meson-ee-pwrc.c b/drivers/soc/amlogic/meson-ee-pwrc.c index 2be3afe6c2e3..dd5f2a13ceb5 100644 --- a/drivers/soc/amlogic/meson-ee-pwrc.c +++ b/drivers/soc/amlogic/meson-ee-pwrc.c @@ -469,6 +469,7 @@ static int meson_ee_pwrc_probe(struct platform_device *pdev) { const struct meson_ee_pwrc_domain_data *match; struct regmap *regmap_ao, *regmap_hhi; + struct device_node *parent_np; struct meson_ee_pwrc *pwrc; int i, ret; @@ -495,7 +496,9 @@ static int meson_ee_pwrc_probe(struct platform_device *pdev) pwrc->xlate.num_domains = match->count; - regmap_hhi = syscon_node_to_regmap(of_get_parent(pdev->dev.of_node)); + parent_np = of_get_parent(pdev->dev.of_node); + regmap_hhi = syscon_node_to_regmap(parent_np); + of_node_put(parent_np); if (IS_ERR(regmap_hhi)) { dev_err(&pdev->dev, "failed to get HHI regmap\n"); return PTR_ERR(regmap_hhi); diff --git a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c index b4615b288625..312fd9afccb0 100644 --- a/drivers/soc/amlogic/meson-gx-pwrc-vpu.c +++ b/drivers/soc/amlogic/meson-gx-pwrc-vpu.c @@ -273,6 +273,7 @@ static int meson_gx_pwrc_vpu_probe(struct platform_device *pdev) const struct meson_gx_pwrc_vpu *vpu_pd_match; struct regmap *regmap_ao, *regmap_hhi; struct meson_gx_pwrc_vpu *vpu_pd; + struct device_node *parent_np; struct reset_control *rstc; struct clk *vpu_clk; struct clk *vapb_clk; @@ -291,7 +292,9 @@ static int meson_gx_pwrc_vpu_probe(struct platform_device *pdev) memcpy(vpu_pd, vpu_pd_match, sizeof(*vpu_pd)); - regmap_ao = syscon_node_to_regmap(of_get_parent(pdev->dev.of_node)); + parent_np = of_get_parent(pdev->dev.of_node); + regmap_ao = syscon_node_to_regmap(parent_np); + of_node_put(parent_np); if (IS_ERR(regmap_ao)) { dev_err(&pdev->dev, "failed to get regmap\n"); return PTR_ERR(regmap_ao); |