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Sat, 4 May 2024 13:13:26 +0000 From: "Peng Fan (OSS)" Date: Sat, 04 May 2024 21:20:02 +0800 Subject: [PATCH v2 04/20] pinctrl: starfive: Use scope based of_node_put() cleanups Message-Id: <20240504-pinctrl-cleanup-v2-4-26c5f2dc1181@nxp.com> References: <20240504-pinctrl-cleanup-v2-0-26c5f2dc1181@nxp.com> In-Reply-To: <20240504-pinctrl-cleanup-v2-0-26c5f2dc1181@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 , Tony Lindgren , Stephen Warren Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-samsung-soc@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-riscv@lists.infradead.org, linux-mediatek@lists.infradead.org, imx@lists.linux.dev, linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, Peng Fan , Emil Renner Berthing X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; 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Acked-by: Emil Renner Berthing Signed-off-by: Peng Fan --- drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c | 27 +++++++++------------- drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c | 18 +++++++-------- 2 files changed, 19 insertions(+), 26 deletions(-) diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c index 6df7a310c7ed..27f99183d994 100644 --- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c +++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c @@ -480,7 +480,6 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev, { struct starfive_pinctrl *sfp = pinctrl_dev_get_drvdata(pctldev); struct device *dev = sfp->gc.parent; - struct device_node *child; struct pinctrl_map *map; const char **pgnames; const char *grpname; @@ -492,20 +491,18 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev, nmaps = 0; ngroups = 0; - for_each_available_child_of_node(np, child) { + for_each_available_child_of_node_scoped(np, child) { int npinmux = of_property_count_u32_elems(child, "pinmux"); int npins = of_property_count_u32_elems(child, "pins"); if (npinmux > 0 && npins > 0) { dev_err(dev, "invalid pinctrl group %pOFn.%pOFn: both pinmux and pins set\n", np, child); - of_node_put(child); return -EINVAL; } if (npinmux == 0 && npins == 0) { dev_err(dev, "invalid pinctrl group %pOFn.%pOFn: neither pinmux nor pins set\n", np, child); - of_node_put(child); return -EINVAL; } @@ -527,14 +524,14 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev, nmaps = 0; ngroups = 0; mutex_lock(&sfp->mutex); - for_each_available_child_of_node(np, child) { + for_each_available_child_of_node_scoped(np, child) { int npins; int i; grpname = devm_kasprintf(dev, GFP_KERNEL, "%pOFn.%pOFn", np, child); if (!grpname) { ret = -ENOMEM; - goto put_child; + goto free_map; } pgnames[ngroups++] = grpname; @@ -543,18 +540,18 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev, pins = devm_kcalloc(dev, npins, sizeof(*pins), GFP_KERNEL); if (!pins) { ret = -ENOMEM; - goto put_child; + goto free_map; } pinmux = devm_kcalloc(dev, npins, sizeof(*pinmux), GFP_KERNEL); if (!pinmux) { ret = -ENOMEM; - goto put_child; + goto free_map; } ret = of_property_read_u32_array(child, "pinmux", pinmux, npins); if (ret) - goto put_child; + goto free_map; for (i = 0; i < npins; i++) { unsigned int gpio = starfive_pinmux_to_gpio(pinmux[i]); @@ -570,7 +567,7 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev, pins = devm_kcalloc(dev, npins, sizeof(*pins), GFP_KERNEL); if (!pins) { ret = -ENOMEM; - goto put_child; + goto free_map; } pinmux = NULL; @@ -580,18 +577,18 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev, ret = of_property_read_u32_index(child, "pins", i, &v); if (ret) - goto put_child; + goto free_map; pins[i] = v; } } else { ret = -EINVAL; - goto put_child; + goto free_map; } ret = pinctrl_generic_add_group(pctldev, grpname, pins, npins, pinmux); if (ret < 0) { dev_err(dev, "error adding group %s: %d\n", grpname, ret); - goto put_child; + goto free_map; } ret = pinconf_generic_parse_dt_config(child, pctldev, @@ -600,7 +597,7 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev, if (ret) { dev_err(dev, "error parsing pin config of group %s: %d\n", grpname, ret); - goto put_child; + goto free_map; } /* don't create a map if there are no pinconf settings */ @@ -623,8 +620,6 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev, mutex_unlock(&sfp->mutex); return 0; -put_child: - of_node_put(child); free_map: pinctrl_utils_free_map(pctldev, map, nmaps); mutex_unlock(&sfp->mutex); diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c index 9609eb1ecc3d..4ce080caa233 100644 --- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c +++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c @@ -150,7 +150,7 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev, nmaps = 0; ngroups = 0; mutex_lock(&sfp->mutex); - for_each_available_child_of_node(np, child) { + for_each_available_child_of_node_scoped(np, child) { int npins = of_property_count_u32_elems(child, "pinmux"); int *pins; u32 *pinmux; @@ -161,13 +161,13 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev, "invalid pinctrl group %pOFn.%pOFn: pinmux not set\n", np, child); ret = -EINVAL; - goto put_child; + goto free_map; } grpname = devm_kasprintf(dev, GFP_KERNEL, "%pOFn.%pOFn", np, child); if (!grpname) { ret = -ENOMEM; - goto put_child; + goto free_map; } pgnames[ngroups++] = grpname; @@ -175,18 +175,18 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev, pins = devm_kcalloc(dev, npins, sizeof(*pins), GFP_KERNEL); if (!pins) { ret = -ENOMEM; - goto put_child; + goto free_map; } pinmux = devm_kcalloc(dev, npins, sizeof(*pinmux), GFP_KERNEL); if (!pinmux) { ret = -ENOMEM; - goto put_child; + goto free_map; } ret = of_property_read_u32_array(child, "pinmux", pinmux, npins); if (ret) - goto put_child; + goto free_map; for (i = 0; i < npins; i++) pins[i] = jh7110_pinmux_pin(pinmux[i]); @@ -200,7 +200,7 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev, pins, npins, pinmux); if (ret < 0) { dev_err(dev, "error adding group %s: %d\n", grpname, ret); - goto put_child; + goto free_map; } ret = pinconf_generic_parse_dt_config(child, pctldev, @@ -209,7 +209,7 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev, if (ret) { dev_err(dev, "error parsing pin config of group %s: %d\n", grpname, ret); - goto put_child; + goto free_map; } /* don't create a map if there are no pinconf settings */ @@ -233,8 +233,6 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev, *num_maps = nmaps; return 0; -put_child: - of_node_put(child); free_map: pinctrl_utils_free_map(pctldev, map, nmaps); mutex_unlock(&sfp->mutex);