PCI: dwc: Silence 'set affinity failed' warning

Use MSI_FLAG_NO_AFFINITY, which keeps .irq_set_affinity() unset and allows
migrate_one_irq() to exit right away, without warnings like this:

  IRQ...: set affinity failed(-22)

Remove the .irq_set_affinity() implementation that is no longer needed.

Link: https://lore.kernel.org/r/20240723132958.41320-6-marek.vasut+renesas@mailbox.org
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index 52c6420ae2003cd9d03d128b52bd02fd50c470a5..ce9d9e0a52609e23d66c84811a927dadd62ac746 100644 (file)
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -189,12 +189,6 @@ static void ks_pcie_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
                (int)data->hwirq, msg->address_hi, msg->address_lo);
 }
 
-static int ks_pcie_msi_set_affinity(struct irq_data *irq_data,
-                                   const struct cpumask *mask, bool force)
-{
-       return -EINVAL;
-}
-
 static void ks_pcie_msi_mask(struct irq_data *data)
 {
        struct dw_pcie_rp *pp = irq_data_get_irq_chip_data(data);
@@ -247,7 +241,6 @@ static struct irq_chip ks_pcie_msi_irq_chip = {
        .name = "KEYSTONE-PCI-MSI",
        .irq_ack = ks_pcie_msi_irq_ack,
        .irq_compose_msi_msg = ks_pcie_compose_msi_msg,
-       .irq_set_affinity = ks_pcie_msi_set_affinity,
        .irq_mask = ks_pcie_msi_mask,
        .irq_unmask = ks_pcie_msi_unmask,
 };

diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index a0822d5371bc55c6e338a13677eaca7c0c1f4b4e..3e41865c72904ed0ed9da4219199e4195a582f8d 100644 (file)
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -48,8 +48,9 @@ static struct irq_chip dw_pcie_msi_irq_chip = {
 };
 
 static struct msi_domain_info dw_pcie_msi_domain_info = {
-       .flags  = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
-                  MSI_FLAG_PCI_MSIX | MSI_FLAG_MULTI_PCI_MSI),
+       .flags  = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+                 MSI_FLAG_NO_AFFINITY | MSI_FLAG_PCI_MSIX |
+                 MSI_FLAG_MULTI_PCI_MSI,
        .chip   = &dw_pcie_msi_irq_chip,
 };
 
@@ -116,12 +117,6 @@ static void dw_pci_setup_msi_msg(struct irq_data *d, struct msi_msg *msg)
                (int)d->hwirq, msg->address_hi, msg->address_lo);
 }
 
-static int dw_pci_msi_set_affinity(struct irq_data *d,
-                                  const struct cpumask *mask, bool force)
-{
-       return -EINVAL;
-}
-
 static void dw_pci_bottom_mask(struct irq_data *d)
 {
        struct dw_pcie_rp *pp = irq_data_get_irq_chip_data(d);
@@ -177,7 +172,6 @@ static struct irq_chip dw_pci_msi_bottom_irq_chip = {
        .name = "DWPCI-MSI",
        .irq_ack = dw_pci_bottom_ack,
        .irq_compose_msi_msg = dw_pci_setup_msi_msg,
-       .irq_set_affinity = dw_pci_msi_set_affinity,
        .irq_mask = dw_pci_bottom_mask,
        .irq_unmask = dw_pci_bottom_unmask,
 };