diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0020-ASoC-fsl_-e-sai-introduce-shared-interrupt-DT-flag-p.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/801-audio-0020-ASoC-fsl_-e-sai-introduce-shared-interrupt-DT-flag-p.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0020-ASoC-fsl_-e-sai-introduce-shared-interrupt-DT-flag-p.patch b/target/linux/layerscape/patches-5.4/801-audio-0020-ASoC-fsl_-e-sai-introduce-shared-interrupt-DT-flag-p.patch new file mode 100644 index 0000000000..1184bce0e3 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/801-audio-0020-ASoC-fsl_-e-sai-introduce-shared-interrupt-DT-flag-p.patch @@ -0,0 +1,42 @@ +From a22b10e2c273308f547c5ad96e3820f312058ae7 Mon Sep 17 00:00:00 2001 +From: Viorel Suman <viorel.suman@nxp.com> +Date: Sun, 30 Apr 2017 12:41:33 +0300 +Subject: [PATCH] ASoC: fsl_(e)sai: introduce "shared-interrupt" DT flag (part + 2) + +SAI & ESAI interfaces may share the same interrupt with EDMA, +so that we need a flag to trigger proper shared interrupt +handling. For compatibility the same DT flag, "shared-interrupt", +is introduced as the one used in drivers/dma/fsl-edma-v3.c. + +Signed-off-by: Viorel Suman <viorel.suman@nxp.com> +[ Aisheng: split easi changes ] +Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> +--- + sound/soc/fsl/fsl_sai.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +--- a/sound/soc/fsl/fsl_sai.c ++++ b/sound/soc/fsl/fsl_sai.c +@@ -910,6 +910,7 @@ static int fsl_sai_probe(struct platform + char tmp[8]; + int irq, ret, i; + int index; ++ unsigned long irqflag = 0; + + sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL); + if (!sai) +@@ -979,7 +980,12 @@ static int fsl_sai_probe(struct platform + return irq; + } + +- ret = devm_request_irq(&pdev->dev, irq, fsl_sai_isr, 0, np->name, sai); ++ /* SAI shared interrupt */ ++ if (of_property_read_bool(np, "shared-interrupt")) ++ irqflag = IRQF_SHARED; ++ ++ ret = devm_request_irq(&pdev->dev, irq, fsl_sai_isr, irqflag, ++ np->name, sai); + if (ret) { + dev_err(&pdev->dev, "failed to claim irq %u\n", irq); + return ret; |