diff options
Diffstat (limited to 'gxp-hw-mailbox-driver.c')
| -rw-r--r-- | gxp-hw-mailbox-driver.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/gxp-hw-mailbox-driver.c b/gxp-hw-mailbox-driver.c index 3019897..4858585 100644 --- a/gxp-hw-mailbox-driver.c +++ b/gxp-hw-mailbox-driver.c @@ -45,6 +45,8 @@ static irqreturn_t mailbox_irq_handler(int irq, void *arg) { u32 masked_status; struct gxp_mailbox *mailbox = (struct gxp_mailbox *) arg; + struct work_struct **handlers = mailbox->interrupt_handlers; + u32 next_int; /* Contains only the non-masked, pending interrupt bits */ masked_status = gxp_mailbox_get_host_mask_status(mailbox); @@ -57,15 +59,17 @@ static irqreturn_t mailbox_irq_handler(int irq, void *arg) masked_status &= ~MBOX_DEVICE_TO_HOST_RESPONSE_IRQ_MASK; } - if (masked_status & mailbox->debug_dump_int_mask) { - mailbox->handle_debug_dump_irq(mailbox); - masked_status &= ~mailbox->debug_dump_int_mask; - } + while ((next_int = ffs(masked_status))) { + next_int--; /* ffs returns 1-based indices */ + masked_status &= ~BIT(next_int); - if (masked_status) - pr_err_ratelimited( - "mailbox%d: received unknown interrupt bits 0x%x\n", - mailbox->core_id, masked_status); + if (handlers[next_int]) + schedule_work(handlers[next_int]); + else + pr_err_ratelimited( + "mailbox%d: received unknown interrupt bit 0x%X\n", + mailbox->core_id, next_int); + } return IRQ_HANDLED; } @@ -109,13 +113,11 @@ static void unregister_irq(struct gxp_mailbox *mailbox) void gxp_mailbox_driver_init(struct gxp_mailbox *mailbox) { register_irq(mailbox); - return; } void gxp_mailbox_driver_exit(struct gxp_mailbox *mailbox) { unregister_irq(mailbox); - return; } void __iomem *gxp_mailbox_get_csr_base(struct gxp_dev *gxp, uint index) |