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SubjectRe: [PATCH v7 2/2] PCI: mediatek: Using chained IRQ to setup IRQ handle
On Fri, May 04, 2018 at 01:47:33PM +0800, honghui.zhang@mediatek.com wrote:
> From: Honghui Zhang <honghui.zhang@mediatek.com>
>
> Using irq_chip solution to setup IRQs in order to consist
> with IRQ framework.
>
> Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
> 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
> ...

> -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.

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