linux-kernel - Re: [PATCH v7 12/19] PCI: microchip: Add INTx and MSI event num to struct plda

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Message-ID: <20231009-remix-commodore-b034a3b71861@wendy>
Date:   Mon, 9 Oct 2023 14:46:35 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Minda Chen <minda.chen@...rfivetech.com>
CC:     Daire McNamara <daire.mcnamara@...rochip.com>,
        Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-pci@...r.kernel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "Palmer Dabbelt" <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "Philipp Zabel" <p.zabel@...gutronix.de>,
        Mason Huo <mason.huo@...rfivetech.com>,
        Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
        Kevin Xie <kevin.xie@...rfivetech.com>
Subject: Re: [PATCH v7 12/19] PCI: microchip: Add INTx and MSI event num to
 struct plda_event

Hey,

On Wed, Sep 27, 2023 at 06:07:55PM +0800, Minda Chen wrote:
> The INTx and MSI interrupt event num is different
> in Microchip and StarFive platform.

BTW, please use the full 72 columns, not just 50, for your commit
messages.

Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Thanks,
Conor.


> 
> Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
> ---
>  drivers/pci/controller/plda/pcie-microchip-host.c | 6 ++++--
>  drivers/pci/controller/plda/pcie-plda.h           | 2 ++
>  2 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
> index e3c7d5e66150..fb09b6c34e01 100644
> --- a/drivers/pci/controller/plda/pcie-microchip-host.c
> +++ b/drivers/pci/controller/plda/pcie-microchip-host.c
> @@ -807,6 +807,8 @@ static int mc_request_event_irq(struct plda_pcie_rp *plda, int event_irq,
>  
>  static const struct plda_event mc_event = {
>  	.request_event_irq      = mc_request_event_irq,
> +	.intx_event             = EVENT_LOCAL_PM_MSI_INT_INTX,
> +	.msi_event              = EVENT_LOCAL_PM_MSI_INT_MSI,
>  };
>  
>  static int plda_pcie_init_irq_domains(struct plda_pcie_rp *port)
> @@ -947,7 +949,7 @@ static int plda_init_interrupts(struct platform_device *pdev,
>  	}
>  
>  	intx_irq = irq_create_mapping(port->event_domain,
> -				      EVENT_LOCAL_PM_MSI_INT_INTX);
> +				      event->intx_event);
>  	if (!intx_irq) {
>  		dev_err(dev, "failed to map INTx interrupt\n");
>  		return -ENXIO;
> @@ -957,7 +959,7 @@ static int plda_init_interrupts(struct platform_device *pdev,
>  	irq_set_chained_handler_and_data(intx_irq, plda_handle_intx, port);
>  
>  	msi_irq = irq_create_mapping(port->event_domain,
> -				     EVENT_LOCAL_PM_MSI_INT_MSI);
> +				     event->msi_event);
>  	if (!msi_irq)
>  		return -ENXIO;
>  
> diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h
> index 4e0712c9365e..af5e69718342 100644
> --- a/drivers/pci/controller/plda/pcie-plda.h
> +++ b/drivers/pci/controller/plda/pcie-plda.h
> @@ -156,6 +156,8 @@ struct plda_pcie_rp {
>  struct plda_event {
>  	int (*request_event_irq)(struct plda_pcie_rp *pcie,
>  				 int event_irq, int event);
> +	int intx_event;
> +	int msi_event;
>  };
>  
>  irqreturn_t plda_event_handler(int irq, void *dev_id);
> -- 
> 2.17.1
> 

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