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Signed-off-by: Jinjie Ruan --- 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