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Wed, 1 May 2024 12:52:08 +0000 From: "Peng Fan (OSS)" Date: Wed, 01 May 2024 20:56:12 +0800 Subject: [PATCH 14/21] pinctrl: at91: Use scope based of_node_put() cleanups Message-Id: <20240501-pinctrl-cleanup-v1-14-797ceca46e5c@nxp.com> References: <20240501-pinctrl-cleanup-v1-0-797ceca46e5c@nxp.com> In-Reply-To: <20240501-pinctrl-cleanup-v1-0-797ceca46e5c@nxp.com> To: Linus Walleij , Thierry Reding , Jonathan Hunter , Dvorkin Dmitry , Wells Lu , Maxime Coquelin , Alexandre Torgue , Emil Renner Berthing , Jianlong Huang , Hal Feng , Orson Zhai , Baolin Wang , Chunyan Zhang , Viresh Kumar , Shiraz Hashim , soc@kernel.org, Krzysztof Kozlowski , Sylwester Nawrocki , Alim Akhtar , Geert Uytterhoeven , Patrice Chotard , Heiko Stuebner , Damien Le Moal , Ludovic Desroches , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Dong Aisheng , Fabio Estevam , Shawn Guo , Jacky Bai , Pengutronix Kernel Team , Chester Lin , Matthias Brugger , Ghennadi Procopciuc , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Sascha Hauer , Andrew Jeffery , Joel Stanley , Dan Carpenter X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; 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Signed-off-by: Peng Fan --- drivers/pinctrl/pinctrl-at91-pio4.c | 7 ++----- drivers/pinctrl/pinctrl-at91.c | 17 +++++------------ 2 files changed, 7 insertions(+), 17 deletions(-) diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c index a27c01fcbb47..8b01d312305a 100644 --- a/drivers/pinctrl/pinctrl-at91-pio4.c +++ b/drivers/pinctrl/pinctrl-at91-pio4.c @@ -632,7 +632,6 @@ static int atmel_pctl_dt_node_to_map(struct pinctrl_dev *pctldev, struct pinctrl_map **map, unsigned int *num_maps) { - struct device_node *np; unsigned int reserved_maps; int ret; @@ -648,13 +647,11 @@ static int atmel_pctl_dt_node_to_map(struct pinctrl_dev *pctldev, ret = atmel_pctl_dt_subnode_to_map(pctldev, np_config, map, &reserved_maps, num_maps); if (ret) { - for_each_child_of_node(np_config, np) { + for_each_child_of_node_scoped(np_config, np) { ret = atmel_pctl_dt_subnode_to_map(pctldev, np, map, &reserved_maps, num_maps); - if (ret < 0) { - of_node_put(np); + if (ret < 0) break; - } } } diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 5aa9d5c533c6..cc32db0797e6 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -292,7 +292,7 @@ static int at91_dt_node_to_map(struct pinctrl_dev *pctldev, struct at91_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); const struct at91_pin_group *grp; struct pinctrl_map *new_map; - struct device_node *parent; + struct device_node *parent __free(device_node) = NULL; int map_num = 1; int i; @@ -325,7 +325,6 @@ static int at91_dt_node_to_map(struct pinctrl_dev *pctldev, new_map[0].type = PIN_MAP_TYPE_MUX_GROUP; new_map[0].data.mux.function = parent->name; new_map[0].data.mux.group = np->name; - of_node_put(parent); /* create config map */ new_map++; @@ -1244,7 +1243,6 @@ static int at91_pinctrl_parse_groups(struct device_node *np, static int at91_pinctrl_parse_functions(struct device_node *np, struct at91_pinctrl *info, u32 index) { - struct device_node *child; struct at91_pmx_func *func; struct at91_pin_group *grp; int ret; @@ -1267,14 +1265,12 @@ static int at91_pinctrl_parse_functions(struct device_node *np, if (!func->groups) return -ENOMEM; - for_each_child_of_node(np, child) { + for_each_child_of_node_scoped(np, child) { func->groups[i] = child->name; grp = &info->groups[grp_index++]; ret = at91_pinctrl_parse_groups(child, grp, info, i++); - if (ret) { - of_node_put(child); + if (ret) return ret; - } } return 0; @@ -1296,7 +1292,6 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev, int i, j, ngpio_chips_enabled = 0; uint32_t *tmp; struct device_node *np = dev->of_node; - struct device_node *child; if (!np) return -ENODEV; @@ -1349,14 +1344,12 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev, i = 0; - for_each_child_of_node(np, child) { + for_each_child_of_node_scoped(np, child) { if (of_device_is_compatible(child, gpio_compat)) continue; ret = at91_pinctrl_parse_functions(child, info, i++); - if (ret) { - of_node_put(child); + if (ret) return dev_err_probe(dev, ret, "failed to parse function\n"); - } } return 0;