Registering the irq handler at the too early place may cause a system stall because the irq handler may be triggered before the other initializations. Move the irq handler registration to the later point.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/x86/intel_hdmi_lpe_audio.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/sound/x86/intel_hdmi_lpe_audio.c b/sound/x86/intel_hdmi_lpe_audio.c index 54cc30f034f3..f5249b0a4ce4 100644 --- a/sound/x86/intel_hdmi_lpe_audio.c +++ b/sound/x86/intel_hdmi_lpe_audio.c @@ -400,16 +400,6 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev) return -EACCES; }
- /* setup interrupt handler */ - ret = request_irq(irq, display_pipe_interrupt_handler, - 0, - pdev->name, - NULL); - if (ret < 0) { - dev_err(&hlpe_pdev->dev, "request_irq failed\n"); - goto error_irq; - } - /* alloc and save context */ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); if (ctx == NULL) { @@ -438,11 +428,21 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev) if (pdata == NULL) { dev_err(&hlpe_pdev->dev, "%s: quit: pdata not allocated by i915!!\n", __func__); ret = -ENOMEM; - goto error_probe; + goto error_irq; }
platform_set_drvdata(pdev, ctx);
+ /* setup interrupt handler */ + ret = request_irq(irq, display_pipe_interrupt_handler, + 0, + pdev->name, + NULL); + if (ret < 0) { + dev_err(&hlpe_pdev->dev, "request_irq failed\n"); + goto error_irq; + } + ret = hdmi_audio_probe(pdev, &ctx->had); if (ret < 0) goto error_probe; @@ -469,10 +469,10 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev) return ret;
error_probe: - kfree(ctx); - error_ctx: free_irq(irq, NULL); error_irq: + kfree(ctx); + error_ctx: iounmap(mmio_start); return ret; }