[PATCH mlx5-next 10/16] net/mlx5: Move IRQ affinity set to IRQ allocation phase

[Saeed Mahameed]

From: Yuval Avnery <yuva...@mellanox.com>

Affinity set/clear is part of the IRQ life-cycle.

Signed-off-by: Yuval Avnery <yuva...@mellanox.com>
Reviewed-by: Parav Pandit <pa...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/eq.c | 25 +++++++++++++-------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c 
b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 1ea983c1ec05..d30bd01cf050 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -934,8 +934,6 @@ static void destroy_comp_eqs(struct mlx5_core_dev *dev)
        struct mlx5_eq_table *table = dev->priv.eq_table;
        struct mlx5_eq_comp *eq, *n;
 
-       clear_comp_irqs_affinity_hints(dev);
-
        list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) {
                list_del(&eq->list);
                if (destroy_unmap_eq(dev, &eq->core))
@@ -991,12 +989,6 @@ static int create_comp_eqs(struct mlx5_core_dev *dev)
                list_add_tail(&eq->list, &table->comp_eqs_list);
        }
 
-       err = set_comp_irq_affinity_hints(dev);
-       if (err) {
-               mlx5_core_err(dev, "Failed to alloc affinity hint cpumask\n");
-               goto clean;
-       }
-
        return 0;
 
 clean:
@@ -1078,6 +1070,16 @@ void mlx5_core_eq_free_irqs(struct mlx5_core_dev *dev)
        pci_free_irq_vectors(dev->pdev);
 }
 
+static void unrequest_irqs(struct mlx5_core_dev *dev)
+{
+       struct mlx5_irq_table *table = dev->priv.irq_table;
+       int i;
+
+       for (i = 0; i < table->nvec; i++)
+               free_irq(pci_irq_vector(dev->pdev, i),
+                        &mlx5_irq_get(dev, i)->nh);
+}
+
 static int alloc_irq_vectors(struct mlx5_core_dev *dev)
 {
        struct mlx5_priv *priv = &dev->priv;
@@ -1115,8 +1117,14 @@ static int alloc_irq_vectors(struct mlx5_core_dev *dev)
        if (err)
                goto err_request_irqs;
 
+       err = set_comp_irq_affinity_hints(dev);
+       if (err)
+               goto err_set_affinity;
+
        return 0;
 
+err_set_affinity:
+       unrequest_irqs(dev);
 err_request_irqs:
        irq_clear_rmap(dev);
 err_set_rmap:
@@ -1136,6 +1144,7 @@ static void free_irq_vectors(struct mlx5_core_dev *dev)
         * which should be called after alloc_irq but before request_irq.
         */
        irq_clear_rmap(dev);
+       clear_comp_irqs_affinity_hints(dev);
        for (i = 0; i < table->nvec; i++)
                free_irq(pci_irq_vector(dev->pdev, i),
                         &mlx5_irq_get(dev, i)->nh);
-- 
2.21.0