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ASoC: eureka-tlv320: Hold reference returned from of_find_xxx API
[ Upstream commitbfb735a3ce
] In eukrea_tlv320_probe(), we need to hold the reference returned from of_find_compatible_node() which has increased the refcount and then call of_node_put() with it when done. Fixes:66f232908d
("ASoC: eukrea-tlv320: Add DT support.") Co-authored-by: Kelin Wang <wangkelin2023@163.com> Signed-off-by: Liang He <windhl@126.com> Link: https://lore.kernel.org/r/20220914134354.3995587-1-windhl@126.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit
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1 changed files with 5 additions and 3 deletions
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@ -86,7 +86,7 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
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int ret;
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int int_port = 0, ext_port;
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struct device_node *np = pdev->dev.of_node;
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struct device_node *ssi_np = NULL, *codec_np = NULL;
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struct device_node *ssi_np = NULL, *codec_np = NULL, *tmp_np = NULL;
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eukrea_tlv320.dev = &pdev->dev;
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if (np) {
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@ -143,7 +143,7 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
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}
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if (machine_is_eukrea_cpuimx27() ||
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of_find_compatible_node(NULL, NULL, "fsl,imx21-audmux")) {
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(tmp_np = of_find_compatible_node(NULL, NULL, "fsl,imx21-audmux"))) {
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imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
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IMX_AUDMUX_V1_PCR_SYN |
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IMX_AUDMUX_V1_PCR_TFSDIR |
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@ -158,10 +158,11 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
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IMX_AUDMUX_V1_PCR_SYN |
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IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
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);
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of_node_put(tmp_np);
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} else if (machine_is_eukrea_cpuimx25sd() ||
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machine_is_eukrea_cpuimx35sd() ||
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machine_is_eukrea_cpuimx51sd() ||
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of_find_compatible_node(NULL, NULL, "fsl,imx31-audmux")) {
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(tmp_np = of_find_compatible_node(NULL, NULL, "fsl,imx31-audmux"))) {
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if (!np)
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ext_port = machine_is_eukrea_cpuimx25sd() ?
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4 : 3;
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@ -178,6 +179,7 @@ static int eukrea_tlv320_probe(struct platform_device *pdev)
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IMX_AUDMUX_V2_PTCR_SYN,
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IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)
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);
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of_node_put(tmp_np);
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} else {
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if (np) {
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/* The eukrea,asoc-tlv320 driver was explicitly
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