Hi, Shu-hsiang: On Wed, 2024-10-09 at 19:15 +0800, Shu-hsiang Yang wrote: > Introduces the ISP pipeline driver for the MediaTek ISP raw and yuv > modules. Key functionalities include data processing, V4L2 integration, > resource management, debug support, and various control operations. > Additionally, IRQ handling, platform device management, and MediaTek > ISP DMA format support are also included. > > Signed-off-by: Shu-hsiang Yang <Shu-hsiang.Yang@xxxxxxxxxxxx> > --- [snip] > + > +static irqreturn_t mtk_thread_irq_raw(int irq, void *data) > +{ > + struct mtk_raw_device *raw_dev = (struct mtk_raw_device *)data; > + struct mtk_camsys_irq_info irq_info; > + > + if (unlikely(atomic_cmpxchg(&raw_dev->is_fifo_overflow, 1, 0))) > + dev_info(raw_dev->dev, "msg fifo overflow\n"); > + > + while (kfifo_len(&raw_dev->msg_fifo) >= sizeof(irq_info)) { > + int len = kfifo_out(&raw_dev->msg_fifo, &irq_info, sizeof(irq_info)); > + > + WARN_ON(len != sizeof(irq_info)); > + > + dev_dbg(raw_dev->dev, "ts=%llu irq_type %d, req:%d/%d\n", > + irq_info.ts_ns, irq_info.irq_type, > + irq_info.frame_idx_inner, irq_info.frame_idx); > + > + /* error case */ > + if (unlikely(irq_info.irq_type == (1 << CAMSYS_IRQ_ERROR))) { > + raw_handle_error(raw_dev, &irq_info); > + continue; > + } > + > + /* normal case */ > + /* inform interrupt information to camsys controller */ > + mtk_camsys_isr_event(raw_dev->cam, CAMSYS_ENGINE_RAW, > + raw_dev->id, &irq_info); mtk_camsys_isr_event() is not defined in this patch but defined in [8/10] patch. This is weird to use a function defined in future. Define this function in this patch or previous patch. Regards, CK > + } > + > + return IRQ_HANDLED; > +} > +