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[v7,2/2] PCI: mediatek: Using chained IRQ to setup IRQ handle

Message ID 20180518195154.GB41790@bhelgaas-glaptop.roam.corp.google.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Bjorn Helgaas May 18, 2018, 7:51 p.m. UTC
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:



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.

Comments

Lorenzo Pieralisi May 21, 2018, 10:08 a.m. UTC | #1
On Fri, May 18, 2018 at 02:51:54PM -0500, Bjorn Helgaas wrote:
> 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.

I folded the patch above and pushed into pci/mediatek, thanks !

Lorenzo
Lorenzo Pieralisi May 21, 2018, 2:03 p.m. UTC | #2
On Fri, May 18, 2018 at 02:51:54PM -0500, Bjorn Helgaas wrote:
> 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

Actually I amended your patch, since I do not think the deletion above
belongs in this commit (I agree that's completely useless but that's
not this patch that we should remove it).

Lorenzo

> +	depends on PCI_MSI_IRQ_DOMAIN
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Patch

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