| 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 |
| @@ -911,6 +911,7 @@ 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) |
| @@ -980,7 +981,12 @@ 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; |