- dev_warn(&drv_data->pdev->dev,
- "interrupt_transfer - fifo overun\n"
- " data not yet written = %d\n"
- " data not yet read = %d\n",
- data_to_write(drv_data),
- data_to_read(drv_data));
-
- if (flush(drv_data) == 0)
- dev_err(&drv_data->pdev->dev,
- "interrupt_transfer - flush failed\n");
-
- msg->state = ERROR_STATE;
- tasklet_schedule(&drv_data->pump_transfers);
-
- return IRQ_HANDLED;
- }
-
- /* Pump data */
- read(drv_data);
- if (write(drv_data)) {
- writel(readl(regs + SPI_INT_STATUS) & ~SPI_INTEN,
- regs + SPI_INT_STATUS);
+ if (msg->state == ERROR_STATE) {
+ /* RXFIFO overrun was detected and message aborted */
+ flush(drv_data);
+ } else {
+ /* Wait for end of transaction */
+ do {
+ control = readl(regs + SPI_CONTROL);
+ } while (control & SPI_CONTROL_XCH);