On Fri, May 04, 2018 at 01:47:33PM +0800, honghui.zhang at mediatek.com wrote:

quoted

From: Honghui Zhang <redacted>

Using irq_chip solution to setup IRQs in order to consist
with IRQ framework.

Signed-off-by: Honghui Zhang <redacted>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
---
 drivers/pci/host/pcie-mediatek.c | 206 ++++++++++++++++++++++-----------------
 1 file changed, 115 insertions(+), 91 deletions(-)

diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c
index c3dc549..dabf1086 100644
--- a/drivers/pci/host/pcie-mediatek.c
+++ b/drivers/pci/host/pcie-mediatek.c

...

quoted

-static int mtk_pcie_msi_map(struct irq_domain *domain, unsigned int irq,
-			    irq_hw_number_t hwirq)
+static struct msi_domain_info mtk_msi_domain_info = {

I think this patch should be amended to include this:

diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
index 0d0177ce436c..368b70d9371b 100644
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig

@@ -193,7 +193,7 @@ config PCIE_MEDIATEK
 	bool "MediaTek PCIe controller"
 	depends on (ARM || ARM64) && (ARCH_MEDIATEK || COMPILE_TEST)
 	depends on OF
-	depends on PCI
+	depends on PCI_MSI_IRQ_DOMAIN
 	select PCIEPORTBUS
 	help
 	  Say Y here if you want to enable PCIe controller support on

Lorenzo, if you want to fold that in and update your branch, I can pull it.
If not, I can add a patch on top, which should only break compile-testing
bisection.