[DM/FIXUP] Fixup MSI first IRQ read offset

Signed-off-by: GuEe-GUI <2991707448@qq.com>
2024-11-18 19:42:14 +08:00 · 2024-11-18 19:42:14 +08:00 · 86ba3b666f
parent 34cf382c8b
commit 86ba3b666f
1 changed files with 1 additions and 1 deletions
--- a/components/drivers/pci/msi/irq.c
+++ b/components/drivers/pci/msi/irq.c
@ -71,7 +71,7 @@ rt_err_t rt_pci_msi_setup_irqs(struct rt_pci_device *pdev, int nvec, int type)
        if (!err)
        {
            /* Get the first irq */
-            desc->irq = irq - irq_nr;
+            desc->irq = irq - (irq_nr - 1);
        }

        rt_bitmap_for_each_set_bit(msi_irq_map, irq_idx, MAX_HANDLERS)