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Message-ID: <20240830040636.3508679-2-ruanjinjie@huawei.com>
Date: Fri, 30 Aug 2024 12:06:33 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <herve.codina@...tlin.com>, <qiang.zhao@....com>,
<christophe.leroy@...roup.eu>, <linuxppc-dev@...ts.ozlabs.org>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
<krzk@...nel.org>, <jic23@...nel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH -next v2 1/4] soc: fsl: cpm1: Simplify with scoped for each OF child loop
Use scoped for_each_available_child_of_node_scoped when iterating
over device nodes to make code a bit simpler.
Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
---
drivers/soc/fsl/qe/tsa.c | 28 ++++------------------------
1 file changed, 4 insertions(+), 24 deletions(-)
diff --git a/drivers/soc/fsl/qe/tsa.c b/drivers/soc/fsl/qe/tsa.c
index 6c5741cf5e9d..7fa399b7a47c 100644
--- a/drivers/soc/fsl/qe/tsa.c
+++ b/drivers/soc/fsl/qe/tsa.c
@@ -441,7 +441,6 @@ static inline int tsa_of_parse_tdm_tx_route(struct tsa *tsa,
static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
{
- struct device_node *tdm_np;
struct tsa_tdm *tdm;
struct clk *clk;
u32 tdm_id, val;
@@ -452,11 +451,10 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
tsa->tdm[0].is_enable = false;
tsa->tdm[1].is_enable = false;
- for_each_available_child_of_node(np, tdm_np) {
+ for_each_available_child_of_node_scoped(np, tdm_np) {
ret = of_property_read_u32(tdm_np, "reg", &tdm_id);
if (ret) {
dev_err(tsa->dev, "%pOF: failed to read reg\n", tdm_np);
- of_node_put(tdm_np);
return ret;
}
switch (tdm_id) {
@@ -469,16 +467,14 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
default:
dev_err(tsa->dev, "%pOF: Invalid tdm_id (%u)\n", tdm_np,
tdm_id);
- of_node_put(tdm_np);
return -EINVAL;
}
}
- for_each_available_child_of_node(np, tdm_np) {
+ for_each_available_child_of_node_scoped(np, tdm_np) {
ret = of_property_read_u32(tdm_np, "reg", &tdm_id);
if (ret) {
dev_err(tsa->dev, "%pOF: failed to read reg\n", tdm_np);
- of_node_put(tdm_np);
return ret;
}
@@ -492,14 +488,12 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
dev_err(tsa->dev,
"%pOF: failed to read fsl,rx-frame-sync-delay-bits\n",
tdm_np);
- of_node_put(tdm_np);
return ret;
}
if (val > 3) {
dev_err(tsa->dev,
"%pOF: Invalid fsl,rx-frame-sync-delay-bits (%u)\n",
tdm_np, val);
- of_node_put(tdm_np);
return -EINVAL;
}
tdm->simode_tdm |= TSA_SIMODE_TDM_RFSD(val);
@@ -511,14 +505,12 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
dev_err(tsa->dev,
"%pOF: failed to read fsl,tx-frame-sync-delay-bits\n",
tdm_np);
- of_node_put(tdm_np);
return ret;
}
if (val > 3) {
dev_err(tsa->dev,
"%pOF: Invalid fsl,tx-frame-sync-delay-bits (%u)\n",
tdm_np, val);
- of_node_put(tdm_np);
return -EINVAL;
}
tdm->simode_tdm |= TSA_SIMODE_TDM_TFSD(val);
@@ -538,13 +530,11 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
clk = of_clk_get_by_name(tdm_np, "l1rsync");
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
- of_node_put(tdm_np);
goto err;
}
ret = clk_prepare_enable(clk);
if (ret) {
clk_put(clk);
- of_node_put(tdm_np);
goto err;
}
tdm->l1rsync_clk = clk;
@@ -552,13 +542,11 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
clk = of_clk_get_by_name(tdm_np, "l1rclk");
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
- of_node_put(tdm_np);
goto err;
}
ret = clk_prepare_enable(clk);
if (ret) {
clk_put(clk);
- of_node_put(tdm_np);
goto err;
}
tdm->l1rclk_clk = clk;
@@ -567,13 +555,11 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
clk = of_clk_get_by_name(tdm_np, "l1tsync");
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
- of_node_put(tdm_np);
goto err;
}
ret = clk_prepare_enable(clk);
if (ret) {
clk_put(clk);
- of_node_put(tdm_np);
goto err;
}
tdm->l1tsync_clk = clk;
@@ -581,29 +567,23 @@ static int tsa_of_parse_tdms(struct tsa *tsa, struct device_node *np)
clk = of_clk_get_by_name(tdm_np, "l1tclk");
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
- of_node_put(tdm_np);
goto err;
}
ret = clk_prepare_enable(clk);
if (ret) {
clk_put(clk);
- of_node_put(tdm_np);
goto err;
}
tdm->l1tclk_clk = clk;
}
ret = tsa_of_parse_tdm_rx_route(tsa, tdm_np, tsa->tdms, tdm_id);
- if (ret) {
- of_node_put(tdm_np);
+ if (ret)
goto err;
- }
ret = tsa_of_parse_tdm_tx_route(tsa, tdm_np, tsa->tdms, tdm_id);
- if (ret) {
- of_node_put(tdm_np);
+ if (ret)
goto err;
- }
tdm->is_enable = true;
}
--
2.34.1
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