[PATCH] mlxsw: convert to pci_alloc_irq_vectors

[Christoph Hellwig]

Trivial conversion as only one vector is supported, but at least we
lose the useless msix_entry member in the per-device structure.

Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 drivers/net/ethernet/mellanox/mlxsw/pci.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c 
b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index a223c85dfde0..f7e0467e5b96 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -155,7 +155,6 @@ struct mlxsw_pci {
        u8 __iomem *hw_addr;
        struct mlxsw_pci_queue_type_group queues[MLXSW_PCI_QUEUE_TYPE_COUNT];
        u32 doorbell_offset;
-       struct msix_entry msix_entry;
        struct mlxsw_core *core;
        struct {
                struct mlxsw_pci_mem_item *items;
@@ -1534,7 +1533,7 @@ static int mlxsw_pci_init(void *bus_priv, struct 
mlxsw_core *mlxsw_core,
        if (err)
                goto err_aqs_init;
 
-       err = request_irq(mlxsw_pci->msix_entry.vector,
+       err = request_irq(pci_irq_vector(pdev, 0),
                          mlxsw_pci_eq_irq_handler, 0,
                          mlxsw_pci->bus_info.device_kind, mlxsw_pci);
        if (err) {
@@ -1567,7 +1566,7 @@ static void mlxsw_pci_fini(void *bus_priv)
 {
        struct mlxsw_pci *mlxsw_pci = bus_priv;
 
-       free_irq(mlxsw_pci->msix_entry.vector, mlxsw_pci);
+       free_irq(pci_irq_vector(mlxsw_pci->pdev, 0), mlxsw_pci);
        mlxsw_pci_aqs_fini(mlxsw_pci);
        mlxsw_pci_fw_area_fini(mlxsw_pci);
        mlxsw_pci_mbox_free(mlxsw_pci, &mlxsw_pci->cmd.out_mbox);
@@ -1842,8 +1841,8 @@ static int mlxsw_pci_probe(struct pci_dev *pdev, const 
struct pci_device_id *id)
                goto err_sw_reset;
        }
 
-       err = pci_enable_msix_exact(pdev, &mlxsw_pci->msix_entry, 1);
-       if (err) {
+       err = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
+       if (err < 0) {
                dev_err(&pdev->dev, "MSI-X init failed\n");
                goto err_msix_init;
        }
@@ -1872,7 +1871,7 @@ static int mlxsw_pci_probe(struct pci_dev *pdev, const 
struct pci_device_id *id)
 err_bus_device_register:
        debugfs_remove_recursive(mlxsw_pci->dbg_dir);
 err_dbg_create_dir:
-       pci_disable_msix(mlxsw_pci->pdev);
+       pci_free_irq_vectors(mlxsw_pci->pdev);
 err_msix_init:
 err_sw_reset:
        iounmap(mlxsw_pci->hw_addr);
@@ -1893,7 +1892,7 @@ static void mlxsw_pci_remove(struct pci_dev *pdev)
 
        mlxsw_core_bus_device_unregister(mlxsw_pci->core);
        debugfs_remove_recursive(mlxsw_pci->dbg_dir);
-       pci_disable_msix(mlxsw_pci->pdev);
+       pci_free_irq_vectors(mlxsw_pci->pdev);
        iounmap(mlxsw_pci->hw_addr);
        pci_release_regions(mlxsw_pci->pdev);
        pci_disable_device(mlxsw_pci->pdev);
-- 
2.11.0