/* workaround the IO dma problem: let cpu looping to allow DMA finish */
int_status = LOONGSON_INTISR;
- if (int_status & (1 << 10)) {
- while (int_status & (1 << 10)) {
- udelay(1);
- int_status = LOONGSON_INTISR;
- }
+ while (int_status & (1 << 10)) {
+ udelay(1);
+ int_status = LOONGSON_INTISR;
}
/* Get pending sources, masked by current enables */
int_status = LOONGSON_INTISR & LOONGSON_INTEN;
- if (int_status != 0) {
+ if (int_status) {
i = __ffs(int_status);
- int_status &= ~(1 << i);
do_IRQ(LOONGSON_IRQ_BASE + i);
}
}