The current Multi MSI data programming fails if a
end point is connected with switch.
Fix Multi MSI data, by programming data with required alignment.
Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xxxxxxxxxx>
---
drivers/pci/controller/pcie-xilinx-nwl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index 81538d7..36669c5 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -484,7 +484,7 @@ static int nwl_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
mutex_lock(&msi->lock);
bit = bitmap_find_next_zero_area(msi->bitmap, INT_PCI_MSI_NR, 0,
- nr_irqs, 0);
+ nr_irqs, nr_irqs - 1);
if (bit >= INT_PCI_MSI_NR) {
mutex_unlock(&msi->lock);
return -ENOSPC;
--
2.7.4
