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domenico
2025-06-24 14:35:53 +02:00
commit c06fb25d1f
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26
target/linux/bcm27xx/patches-6.6/950-0269-PCI-brcmstb-Advertise-MSI-X-support.patch Normal file
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@@ -0,0 +1,26 @@
From 78e29270963288d80a173bcf93d80c3f079f0afd Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Thu, 3 Dec 2020 13:44:42 +0000
Subject: [PATCH 0269/1085] PCI: brcmstb: Advertise MSI-X support
Although the BRCMSTB PCIe interface doesn't technically support the
MSI-X spec, in practise it seems to work provided no more than 32
MSI-Xs are required. Add the required flag to the driver to allow
experimentation with devices that demand MSI-X support.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
drivers/pci/controller/pcie-brcmstb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -442,7 +442,7 @@ static struct irq_chip brcm_msi_irq_chip
static struct msi_domain_info brcm_msi_domain_info = {
.flags = (MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
- MSI_FLAG_MULTI_PCI_MSI),
+ MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX),
.chip = &brcm_msi_irq_chip,
};