> + regmap_read(sai->regmap, FSL_SAI_TCSR, &xcsr); > + regmap_write(sai->regmap, FSL_SAI_TCSR, xcsr); > + > + if (xcsr & FSL_SAI_CSR_WSF) > + dev_dbg(dev, "isr: Start of Tx word detected\n"); > + > + if (xcsr & FSL_SAI_CSR_SEF) > + dev_dbg(dev, "isr: Tx Frame sync error detected\n"); > + > + if (xcsr & FSL_SAI_CSR_FEF) > + dev_dbg(dev, "isr: Transmit underrun detected\n"); > +
Actually, the above three isrs should to write a logic 1 to this field to clear this flag. > + if (xcsr & FSL_SAI_CSR_FWF) > + dev_dbg(dev, "isr: Enabled transmit FIFO is empty\n"); > + > + if (xcsr & FSL_SAI_CSR_FRF) > + dev_dbg(dev, "isr: Transmit FIFO watermark has been reached\n"); > + While are these ones really needed to clear manually ? Thanks, -- Best Regards, Xiubo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
