diff options
| author | Youssef Samir <quic_yabdulra@quicinc.com> | 2025-01-17 10:09:40 -0700 |
|---|---|---|
| committer | Jeffrey Hugo <quic_jhugo@quicinc.com> | 2025-01-31 10:07:22 -0700 |
| commit | 0600195ec70a57c3937275e6672927ee6b3c6306 (patch) | |
| tree | 153393b1e9e3969dc55acbe71616a611db2ef802 | |
| parent | ab73d80836734bb76088be0da4d2dbf0f7914c2d (diff) | |
| download | linux-0600195ec70a57c3937275e6672927ee6b3c6306.tar.gz linux-0600195ec70a57c3937275e6672927ee6b3c6306.zip | |
accel/qaic: Add support for MSI-X
AIC200 device will support MSI-X while AIC100 devices will keep using
MSI. pci_alloc_irq_vectors() will try to allocate MSI-X vectors if it
is supported by the target device, otherwise, it will fallback to MSI.
Add support for MSI-X vectors allocation for AIC200 devices.
Signed-off-by: Youssef Samir <quic_yabdulra@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250117170943.2643280-5-quic_jhugo@quicinc.com
| -rw-r--r-- | drivers/accel/qaic/qaic_drv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/accel/qaic/qaic_drv.c b/drivers/accel/qaic/qaic_drv.c index 6e9bed17b3f1..ce0428f6cb82 100644 --- a/drivers/accel/qaic/qaic_drv.c +++ b/drivers/accel/qaic/qaic_drv.c @@ -471,9 +471,9 @@ static int init_msi(struct qaic_device *qdev, struct pci_dev *pdev) int i; /* Managed release since we use pcim_enable_device */ - ret = pci_alloc_irq_vectors(pdev, irq_count, irq_count, PCI_IRQ_MSI); + ret = pci_alloc_irq_vectors(pdev, irq_count, irq_count, PCI_IRQ_MSI | PCI_IRQ_MSIX); if (ret == -ENOSPC) { - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI); + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_MSIX); if (ret < 0) return ret; |