295 	struct tegra_msi msi;  member
1127 	int msi;  in tegra_msi_alloc()  local
1131 	msi = find_first_zero_bit(chip->used, INT_PCI_MSI_NR);  in tegra_msi_alloc()
1132 	if (msi < INT_PCI_MSI_NR)  in tegra_msi_alloc()
1133 		set_bit(msi, chip->used);  in tegra_msi_alloc()
1135 		msi = -ENOSPC;  in tegra_msi_alloc()
1139 	return msi;  in tegra_msi_alloc()
1159 	struct tegra_msi *msi = &pcie->msi;  in tegra_pcie_msi_irq()  local
1173 			irq = irq_find_mapping(msi->domain, index);  in tegra_pcie_msi_irq()
1175 				if (test_bit(index, msi->used))  in tegra_pcie_msi_irq()
1200 	struct tegra_msi *msi = to_tegra_msi(chip);  in tegra_msi_setup_irq()  local
1205 	hwirq = tegra_msi_alloc(msi);  in tegra_msi_setup_irq()
1209 	irq = irq_create_mapping(msi->domain, hwirq);  in tegra_msi_setup_irq()
1211 		tegra_msi_free(msi, hwirq);  in tegra_msi_setup_irq()
1217 	msg.address_lo = virt_to_phys((void *)msi->pages);  in tegra_msi_setup_irq()
1230 	struct tegra_msi *msi = to_tegra_msi(chip);  in tegra_msi_teardown_irq()  local
1235 	tegra_msi_free(msi, hwirq);  in tegra_msi_teardown_irq()
1265 	struct tegra_msi *msi = &pcie->msi;  in tegra_pcie_enable_msi()  local
1270 	mutex_init(&msi->lock);  in tegra_pcie_enable_msi()
1272 	msi->chip.dev = pcie->dev;  in tegra_pcie_enable_msi()
1273 	msi->chip.setup_irq = tegra_msi_setup_irq;  in tegra_pcie_enable_msi()
1274 	msi->chip.teardown_irq = tegra_msi_teardown_irq;  in tegra_pcie_enable_msi()
1276 	msi->domain = irq_domain_add_linear(pcie->dev->of_node, INT_PCI_MSI_NR,  in tegra_pcie_enable_msi()
1277 					    &msi_domain_ops, &msi->chip);  in tegra_pcie_enable_msi()
1278 	if (!msi->domain) {  in tegra_pcie_enable_msi()
1289 	msi->irq = err;  in tegra_pcie_enable_msi()
1291 	err = request_irq(msi->irq, tegra_pcie_msi_irq, IRQF_NO_THREAD,  in tegra_pcie_enable_msi()
1299 	msi->pages = __get_free_pages(GFP_KERNEL, 0);  in tegra_pcie_enable_msi()
1300 	base = virt_to_phys((void *)msi->pages);  in tegra_pcie_enable_msi()
1325 	irq_domain_remove(msi->domain);  in tegra_pcie_enable_msi()
1331 	struct tegra_msi *msi = &pcie->msi;  in tegra_pcie_disable_msi()  local
1350 	free_pages(msi->pages, 0);  in tegra_pcie_disable_msi()
1352 	if (msi->irq > 0)  in tegra_pcie_disable_msi()
1353 		free_irq(msi->irq, pcie);  in tegra_pcie_disable_msi()
1356 		irq = irq_find_mapping(msi->domain, i);  in tegra_pcie_disable_msi()
1361 	irq_domain_remove(msi->domain);  in tegra_pcie_disable_msi()
1811 	hw.msi_ctrl = &pcie->msi.chip;  in tegra_pcie_enable()