inttype = ft1000_read_reg(dev, FT1000_REG_SUP_ISR);
// Make sure we process all interrupt before leaving the ISR due to the edge trigger interrupt type
- while (inttype) {
+ while (inttype) {
if (inttype & ISR_DOORBELL_PEND)
ft1000_parse_dpram_msg(dev);
- if (inttype & ISR_RCV) {
- DEBUG(1, "Data in FIFO\n");
+ if (inttype & ISR_RCV) {
+ DEBUG(1, "Data in FIFO\n");
- cnt = 0;
- do {
- // Check if we have packets in the Downlink FIFO
- if (info->AsicID == ELECTRABUZZ_ID) {
- tempword =
- ft1000_read_reg(dev, FT1000_REG_DFIFO_STAT);
- } else {
- tempword =
- ft1000_read_reg(dev, FT1000_REG_MAG_DFSR);
- }
- if (tempword & 0x1f) {
- ft1000_copy_up_pkt(dev);
- } else {
- break;
- }
- cnt++;
- } while (cnt < MAX_RCV_LOOP);
+ cnt = 0;
+ do {
+ // Check if we have packets in the Downlink FIFO
+ if (info->AsicID == ELECTRABUZZ_ID) {
+ tempword =
+ ft1000_read_reg(dev,
+ FT1000_REG_DFIFO_STAT);
+ } else {
+ tempword =
+ ft1000_read_reg(dev,
+ FT1000_REG_MAG_DFSR);
+ }
+ if (tempword & 0x1f) {
+ ft1000_copy_up_pkt(dev);
+ } else {
+ break;
+ }
+ cnt++;
+ } while (cnt < MAX_RCV_LOOP);
+ }
+ // clear interrupts
+ tempword = ft1000_read_reg(dev, FT1000_REG_SUP_ISR);
+ DEBUG(1, "ft1000_hw: interrupt status register = 0x%x\n", tempword);
+ ft1000_write_reg(dev, FT1000_REG_SUP_ISR, tempword);
+
+ // Read interrupt type
+ inttype = ft1000_read_reg (dev, FT1000_REG_SUP_ISR);
+ DEBUG(1,"ft1000_hw: interrupt status register after clear = 0x%x\n",inttype);
}
- // clear interrupts
- tempword = ft1000_read_reg(dev, FT1000_REG_SUP_ISR);
- DEBUG(1, "ft1000_hw: interrupt status register = 0x%x\n", tempword);
- ft1000_write_reg(dev, FT1000_REG_SUP_ISR, tempword);
-
- // Read interrupt type
- inttype = ft1000_read_reg (dev, FT1000_REG_SUP_ISR);
- DEBUG(1,"ft1000_hw: interrupt status register after clear = 0x%x\n",inttype);
- }
ft1000_enable_interrupts(dev);
return IRQ_HANDLED;
}