9 static void ipc_write_dbell_reg(struct iosm_pcie *ipc_pcie, int irq_n, u32 data)  in ipc_write_dbell_reg()  argument
16 	write_reg = (void __iomem *)((u8 __iomem *)ipc_pcie->ipc_regs +  in ipc_write_dbell_reg()
17 				     ipc_pcie->doorbell_write +  in ipc_write_dbell_reg()
18 				     (irq_n * ipc_pcie->doorbell_reg_offset));  in ipc_write_dbell_reg()
26 void ipc_doorbell_fire(struct iosm_pcie *ipc_pcie, int irq_n, u32 data)  in ipc_doorbell_fire()  argument
28 	ipc_write_dbell_reg(ipc_pcie, irq_n, data);  in ipc_doorbell_fire()
34 	struct iosm_pcie *ipc_pcie = dev_id;  in ipc_msi_interrupt()  local
35 	int instance = irq - ipc_pcie->pci->irq;  in ipc_msi_interrupt()
40 	if (instance >= ipc_pcie->nvec)  in ipc_msi_interrupt()
43 	if (!test_bit(0, &ipc_pcie->suspend))  in ipc_msi_interrupt()
44 		ipc_imem_irq_process(ipc_pcie->imem, instance);  in ipc_msi_interrupt()
49 void ipc_release_irq(struct iosm_pcie *ipc_pcie)  in ipc_release_irq()  argument
51 	struct pci_dev *pdev = ipc_pcie->pci;  in ipc_release_irq()
54 		while (--ipc_pcie->nvec >= 0)  in ipc_release_irq()
55 			free_irq(pdev->irq + ipc_pcie->nvec, ipc_pcie);  in ipc_release_irq()
60 int ipc_acquire_irq(struct iosm_pcie *ipc_pcie)  in ipc_acquire_irq()  argument
62 	struct pci_dev *pdev = ipc_pcie->pci;  in ipc_acquire_irq()
65 	ipc_pcie->nvec = pci_alloc_irq_vectors(pdev, IPC_MSI_VECTORS,  in ipc_acquire_irq()
68 	if (ipc_pcie->nvec < 0) {  in ipc_acquire_irq()
69 		rc = ipc_pcie->nvec;  in ipc_acquire_irq()
76 	for (i = 0; i < ipc_pcie->nvec; ++i) {  in ipc_acquire_irq()
79 					  KBUILD_MODNAME, ipc_pcie);  in ipc_acquire_irq()
81 			dev_err(ipc_pcie->dev, "unable to grab IRQ, rc=%d", rc);  in ipc_acquire_irq()
82 			ipc_pcie->nvec = i;  in ipc_acquire_irq()
83 			ipc_release_irq(ipc_pcie);  in ipc_acquire_irq()