[v2,3/6] ASoC: renesas: Use helper function for_each_child_of_node_scoped()

Message ID	20250522050300.519244-4-aichao@kylinos.cn
State	Superseded
Headers	show Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3CF931B0412; Thu, 22 May 2025 05:03:31 +0000 (UTC) From: Ai Chao <aichao@kylinos.cn> To: perex@perex.cz, tiwai@suse.com, johannes@sipsolutions.net, kuninori.morimoto.gx@renesas.com, lgirdwood@gmail.com, broonie@kernel.org, jbrunet@baylibre.com, neil.armstrong@linaro.org, khilman@baylibre.com, martin.blumenstingl@googlemail.com, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, shawnguo@kernel.org, s.hauer@pengutronix.de, srinivas.kandagatla@linaro.org Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, imx@lists.linux.dev, kernel@pengutronix.de, linux-arm-msm@vger.kernel.org, Ai Chao <aichao@kylinos.cn> Subject: [PATCH v2 3/6] ASoC: renesas: Use helper function for_each_child_of_node_scoped() Date: Thu, 22 May 2025 13:02:56 +0800 Message-ID: <20250522050300.519244-4-aichao@kylinos.cn> In-Reply-To: <20250522050300.519244-1-aichao@kylinos.cn> References: <20250522050300.519244-1-aichao@kylinos.cn> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable
Series	Use helper function for_each_child_of_node_scoped() \| expand [v2,0/6] Use helper function for_each_child_of_node_scoped() [v2,1/6] ASoC: ppc: Use helper function for_each_child_of_node_scoped() [v2,2/6] ASoC: aoa: Use helper function for_each_child_of_node_scoped() [v2,3/6] ASoC: renesas: Use helper function for_each_child_of_node_scoped() [v2,4/6] ASoC: meson: Use helper function for_each_child_of_node_scoped() [v2,5/6] ASoC: imx-card: Use helper function for_each_child_of_node_scoped() [v2,6/6] ASoC: qcom: Use helper function for_each_child_of_node_scoped()

diff --git a/sound/soc/renesas/rcar/core.c b/sound/soc/renesas/rcar/core.c index 30afc942d381..260c71888061 100644 --- a/sound/soc/renesas/rcar/core.c +++ b/sound/soc/renesas/rcar/core.c @@ -1075,7 +1075,6 @@ static void rsnd_parse_tdm_split_mode(struct rsnd_priv *priv, { struct device *dev = rsnd_priv_to_dev(priv); struct device_node *ssiu_np = rsnd_ssiu_of_node(priv); - struct device_node *np; int is_play = rsnd_io_is_play(io); int i; @@ -1094,7 +1093,7 @@ static void rsnd_parse_tdm_split_mode(struct rsnd_priv *priv, if (!node) break; - for_each_child_of_node(ssiu_np, np) { + for_each_child_of_node_scoped(ssiu_np, np) { if (np == node) { rsnd_flags_set(io, RSND_STREAM_TDM_SPLIT); dev_dbg(dev, "%s is part of TDM Split\n", io->name); @@ -1154,21 +1153,18 @@ void rsnd_parse_connect_common(struct rsnd_dai *rdai, char *name, { struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); struct device *dev = rsnd_priv_to_dev(priv); - struct device_node *np; int i; if (!node) return; i = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { struct rsnd_mod *mod; i = rsnd_node_fixed_index(dev, np, name, i); - if (i < 0) { - of_node_put(np); + if (i < 0) break; - } mod = mod_get(priv, i); @@ -1217,16 +1213,13 @@ int rsnd_node_fixed_index(struct device *dev, struct device_node *node, char *na int rsnd_node_count(struct rsnd_priv *priv, struct device_node *node, char *name) { struct device *dev = rsnd_priv_to_dev(priv); - struct device_node *np; int i; i = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { i = rsnd_node_fixed_index(dev, np, name, i); - if (i < 0) { - of_node_put(np); + if (i < 0) return 0; - } i++; } @@ -1250,7 +1243,7 @@ static int rsnd_dai_of_node(struct rsnd_priv *priv, int *is_graph) { struct device *dev = rsnd_priv_to_dev(priv); struct device_node *np = dev->of_node; - struct device_node *ports, *node; + struct device_node *node; int nr = 0; int i = 0; @@ -1270,7 +1263,7 @@ static int rsnd_dai_of_node(struct rsnd_priv *priv, int *is_graph) of_node_put(node); - for_each_child_of_node(np, node) { + for_each_child_of_node_scoped(np, node) { if (!of_node_name_eq(node, RSND_NODE_DAI)) continue; @@ -1279,7 +1272,6 @@ static int rsnd_dai_of_node(struct rsnd_priv *priv, int *is_graph) i++; if (i >= RSND_MAX_COMPONENT) { dev_info(dev, "reach to max component\n"); - of_node_put(node); break; } } @@ -1290,7 +1282,7 @@ static int rsnd_dai_of_node(struct rsnd_priv *priv, int *is_graph) /* * Audio-Graph-Card */ - for_each_child_of_node(np, ports) { + for_each_child_of_node_scoped(np, ports) { node = rsnd_pick_endpoint_node_for_ports(ports, np); if (!node) continue; @@ -1299,7 +1291,6 @@ static int rsnd_dai_of_node(struct rsnd_priv *priv, int *is_graph) i++; if (i >= RSND_MAX_COMPONENT) { dev_info(dev, "reach to max component\n"); - of_node_put(ports); break; } } @@ -1500,10 +1491,9 @@ static int rsnd_dai_probe(struct rsnd_priv *priv) dai_i = 0; if (is_graph) { struct device_node *dai_np_port; - struct device_node *ports; struct device_node *dai_np; - for_each_child_of_node(np, ports) { + for_each_child_of_node_scoped(np, ports) { dai_np_port = rsnd_pick_endpoint_node_for_ports(ports, np); if (!dai_np_port) continue; @@ -1520,14 +1510,11 @@ static int rsnd_dai_probe(struct rsnd_priv *priv) } } } else { - struct device_node *node; - struct device_node *dai_np; - - for_each_child_of_node(np, node) { + for_each_child_of_node_scoped(np, node) { if (!of_node_name_eq(node, RSND_NODE_DAI)) continue; - for_each_child_of_node(node, dai_np) { + for_each_child_of_node_scoped(node, dai_np) { __rsnd_dai_probe(priv, dai_np, np, dai_i, dai_i); if (!rsnd_is_gen1(priv) && !rsnd_is_gen2(priv)) { rdai = rsnd_rdai_get(priv, dai_i); diff --git a/sound/soc/renesas/rcar/ctu.c b/sound/soc/renesas/rcar/ctu.c index a26ec7b780cd..bd4c61f9fb3c 100644 --- a/sound/soc/renesas/rcar/ctu.c +++ b/sound/soc/renesas/rcar/ctu.c @@ -316,7 +316,6 @@ struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id) int rsnd_ctu_probe(struct rsnd_priv *priv) { struct device_node *node; - struct device_node *np; struct device *dev = rsnd_priv_to_dev(priv); struct rsnd_ctu *ctu; struct clk *clk; @@ -344,7 +343,7 @@ int rsnd_ctu_probe(struct rsnd_priv *priv) i = 0; ret = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { ctu = rsnd_ctu_get(priv, i); /* @@ -357,16 +356,13 @@ int rsnd_ctu_probe(struct rsnd_priv *priv) clk = devm_clk_get(dev, name); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - of_node_put(np); goto rsnd_ctu_probe_done; } ret = rsnd_mod_init(priv, rsnd_mod_get(ctu), &rsnd_ctu_ops, clk, RSND_MOD_CTU, i); - if (ret) { - of_node_put(np); + if (ret) goto rsnd_ctu_probe_done; - } i++; } diff --git a/sound/soc/renesas/rcar/dma.c b/sound/soc/renesas/rcar/dma.c index 2342bbb6fe92..2035ce06fe4c 100644 --- a/sound/soc/renesas/rcar/dma.c +++ b/sound/soc/renesas/rcar/dma.c @@ -194,14 +194,12 @@ struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node, char *nam struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); struct dma_chan *chan = NULL; - struct device_node *np; int i = 0; - for_each_child_of_node(of_node, np) { + for_each_child_of_node_scoped(of_node, np) { i = rsnd_node_fixed_index(dev, np, name, i); if (i < 0) { chan = NULL; - of_node_put(np); break; } diff --git a/sound/soc/renesas/rcar/dvc.c b/sound/soc/renesas/rcar/dvc.c index da91dd301aab..988cbddbc611 100644 --- a/sound/soc/renesas/rcar/dvc.c +++ b/sound/soc/renesas/rcar/dvc.c @@ -324,7 +324,6 @@ struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id) int rsnd_dvc_probe(struct rsnd_priv *priv) { struct device_node *node; - struct device_node *np; struct device *dev = rsnd_priv_to_dev(priv); struct rsnd_dvc *dvc; struct clk *clk; @@ -352,7 +351,7 @@ int rsnd_dvc_probe(struct rsnd_priv *priv) i = 0; ret = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { dvc = rsnd_dvc_get(priv, i); snprintf(name, RSND_DVC_NAME_SIZE, "%s.%d", @@ -361,16 +360,13 @@ int rsnd_dvc_probe(struct rsnd_priv *priv) clk = devm_clk_get(dev, name); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - of_node_put(np); goto rsnd_dvc_probe_done; } ret = rsnd_mod_init(priv, rsnd_mod_get(dvc), &rsnd_dvc_ops, clk, RSND_MOD_DVC, i); - if (ret) { - of_node_put(np); + if (ret) goto rsnd_dvc_probe_done; - } i++; } diff --git a/sound/soc/renesas/rcar/mix.c b/sound/soc/renesas/rcar/mix.c index 024d91cc8748..aea74e703305 100644 --- a/sound/soc/renesas/rcar/mix.c +++ b/sound/soc/renesas/rcar/mix.c @@ -288,7 +288,6 @@ struct rsnd_mod *rsnd_mix_mod_get(struct rsnd_priv *priv, int id) int rsnd_mix_probe(struct rsnd_priv *priv) { struct device_node *node; - struct device_node *np; struct device *dev = rsnd_priv_to_dev(priv); struct rsnd_mix *mix; struct clk *clk; @@ -316,7 +315,7 @@ int rsnd_mix_probe(struct rsnd_priv *priv) i = 0; ret = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { mix = rsnd_mix_get(priv, i); snprintf(name, MIX_NAME_SIZE, "%s.%d", @@ -325,16 +324,13 @@ int rsnd_mix_probe(struct rsnd_priv *priv) clk = devm_clk_get(dev, name); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - of_node_put(np); goto rsnd_mix_probe_done; } ret = rsnd_mod_init(priv, rsnd_mod_get(mix), &rsnd_mix_ops, clk, RSND_MOD_MIX, i); - if (ret) { - of_node_put(np); + if (ret) goto rsnd_mix_probe_done; - } i++; } diff --git a/sound/soc/renesas/rcar/src.c b/sound/soc/renesas/rcar/src.c index 7d73b183bda6..f47bf38c2f94 100644 --- a/sound/soc/renesas/rcar/src.c +++ b/sound/soc/renesas/rcar/src.c @@ -715,7 +715,6 @@ struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id) int rsnd_src_probe(struct rsnd_priv *priv) { struct device_node *node; - struct device_node *np; struct device *dev = rsnd_priv_to_dev(priv); struct rsnd_src *src; struct clk *clk; @@ -742,14 +741,13 @@ int rsnd_src_probe(struct rsnd_priv *priv) priv->src = src; i = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { if (!of_device_is_available(np)) goto skip; i = rsnd_node_fixed_index(dev, np, SRC_NAME, i); if (i < 0) { ret = -EINVAL; - of_node_put(np); goto rsnd_src_probe_done; } @@ -761,23 +759,19 @@ int rsnd_src_probe(struct rsnd_priv *priv) src->irq = irq_of_parse_and_map(np, 0); if (!src->irq) { ret = -EINVAL; - of_node_put(np); goto rsnd_src_probe_done; } clk = devm_clk_get(dev, name); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - of_node_put(np); goto rsnd_src_probe_done; } ret = rsnd_mod_init(priv, rsnd_mod_get(src), &rsnd_src_ops, clk, RSND_MOD_SRC, i); - if (ret) { - of_node_put(np); + if (ret) goto rsnd_src_probe_done; - } skip: i++; diff --git a/sound/soc/renesas/rcar/ssi.c b/sound/soc/renesas/rcar/ssi.c index 0c6424a1fcac..d52056caa3ec 100644 --- a/sound/soc/renesas/rcar/ssi.c +++ b/sound/soc/renesas/rcar/ssi.c @@ -1115,7 +1115,6 @@ void rsnd_parse_connect_ssi(struct rsnd_dai *rdai, struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); struct device *dev = rsnd_priv_to_dev(priv); struct device_node *node; - struct device_node *np; int i; node = rsnd_ssi_of_node(priv); @@ -1123,14 +1122,12 @@ void rsnd_parse_connect_ssi(struct rsnd_dai *rdai, return; i = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { struct rsnd_mod *mod; i = rsnd_node_fixed_index(dev, np, SSI_NAME, i); - if (i < 0) { - of_node_put(np); + if (i < 0) break; - } mod = rsnd_ssi_mod_get(priv, i); @@ -1163,7 +1160,6 @@ int __rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod) int rsnd_ssi_probe(struct rsnd_priv *priv) { struct device_node *node; - struct device_node *np; struct device *dev = rsnd_priv_to_dev(priv); struct rsnd_mod_ops *ops; struct clk *clk; @@ -1191,14 +1187,13 @@ int rsnd_ssi_probe(struct rsnd_priv *priv) priv->ssi_nr = nr; i = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { if (!of_device_is_available(np)) goto skip; i = rsnd_node_fixed_index(dev, np, SSI_NAME, i); if (i < 0) { ret = -EINVAL; - of_node_put(np); goto rsnd_ssi_probe_done; } @@ -1210,7 +1205,6 @@ int rsnd_ssi_probe(struct rsnd_priv *priv) clk = devm_clk_get(dev, name); if (IS_ERR(clk)) { ret = PTR_ERR(clk); - of_node_put(np); goto rsnd_ssi_probe_done; } @@ -1223,7 +1217,6 @@ int rsnd_ssi_probe(struct rsnd_priv *priv) ssi->irq = irq_of_parse_and_map(np, 0); if (!ssi->irq) { ret = -EINVAL; - of_node_put(np); goto rsnd_ssi_probe_done; } @@ -1234,10 +1227,9 @@ int rsnd_ssi_probe(struct rsnd_priv *priv) ret = rsnd_mod_init(priv, rsnd_mod_get(ssi), ops, clk, RSND_MOD_SSI, i); - if (ret) { - of_node_put(np); + if (ret) goto rsnd_ssi_probe_done; - } + skip: i++; } diff --git a/sound/soc/renesas/rcar/ssiu.c b/sound/soc/renesas/rcar/ssiu.c index 665e8b2db579..faf351126d57 100644 --- a/sound/soc/renesas/rcar/ssiu.c +++ b/sound/soc/renesas/rcar/ssiu.c @@ -478,17 +478,14 @@ void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai, /* use rcar_sound,ssiu if exist */ if (node) { - struct device_node *np; int i = 0; - for_each_child_of_node(node, np) { + for_each_child_of_node_scoped(node, np) { struct rsnd_mod *mod; i = rsnd_node_fixed_index(dev, np, SSIU_NAME, i); - if (i < 0) { - of_node_put(np); + if (i < 0) break; - } mod = rsnd_ssiu_mod_get(priv, i);

[v2,3/6] ASoC: renesas: Use helper function for_each_child_of_node_scoped()

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