{
struct ipa *ipa = interrupt->ipa;
u32 enabled = interrupt->enabled;
+ u32 pending;
u32 offset;
u32 mask;
* only the enabled ones.
*/
offset = ipa_reg_irq_stts_offset(ipa->version);
- mask = ioread32(ipa->reg_virt + offset);
- while ((mask &= enabled)) {
+ pending = ioread32(ipa->reg_virt + offset);
+ while ((mask = pending & enabled)) {
do {
u32 irq_id = __ffs(mask);
ipa_interrupt_process(interrupt, irq_id);
} while (mask);
- mask = ioread32(ipa->reg_virt + offset);
+ pending = ioread32(ipa->reg_virt + offset);
+ }
+
+ /* If any disabled interrupts are pending, clear them */
+ if (pending) {
+ struct device *dev = &ipa->pdev->dev;
+
+ dev_dbg(dev, "clearing disabled IPA interrupts 0x%08x\n",
+ pending);
+ offset = ipa_reg_irq_clr_offset(ipa->version);
+ iowrite32(pending, ipa->reg_virt + offset);
}
}