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media: atomisp: improve IRQ handling debug messages

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When an IRQ is not handled, it is nice to know what's the
reason.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-05-31 11:55:21 +02:00
parent 495eef11f7
commit f2fb029b37
1 changed files with 6 additions and 5 deletions
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11
drivers/staging/media/atomisp/pci/atomisp_cmd.c
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@ -566,7 +566,7 @@ irqreturn_t atomisp_isr(int irq, void *dev)
if (irq_infos & IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF) {
dev_dbg_ratelimited(isp->dev,
"irq:0x%x (IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF)\n",
"irq:0x%x (SOF)\n",
irq_infos);
irq_infos &= ~IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF;
}
@ -591,14 +591,14 @@ irqreturn_t atomisp_isr(int irq, void *dev)
/* EOF Event does not have the css_pipe returned */
asd = __get_asd_from_port(isp, eof_event.event.port);
if (!asd) {
dev_err(isp->dev, "%s:no subdev.event:%d",
dev_err(isp->dev, "%s: ISYS event, but no subdev.event:%d",
__func__, eof_event.event.type);
continue;
}
atomisp_eof_event(asd, eof_event.event.exp_id);
dev_dbg_ratelimited(isp->dev,
"%s EOF exp_id %d, asd %d\n",
"%s ISYS event: EOF exp_id %d, asd %d\n",
__func__, eof_event.event.exp_id,
asd->index);
}
@ -610,7 +610,7 @@ irqreturn_t atomisp_isr(int irq, void *dev)
spin_unlock_irqrestore(&isp->lock, flags);
dev_dbg_ratelimited(isp->dev, "irq:0x%x\n", irq_infos);
dev_dbg_ratelimited(isp->dev, "irq:0x%x (unhandled)\n", irq_infos);
return IRQ_WAKE_THREAD;
@ -618,7 +618,8 @@ irqreturn_t atomisp_isr(int irq, void *dev)
spin_unlock_irqrestore(&isp->lock, flags);
if (irq_infos)
dev_dbg_ratelimited(isp->dev, "irq:0x%x\n", irq_infos);
dev_dbg_ratelimited(isp->dev, "irq:0x%x (ignored, as not streaming anymore)\n",
irq_infos);
return IRQ_HANDLED;
}