linux-kernel - Re: [PATCH 11/28] infiniband: qib: Use PCI_IRQ

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Date: Mon, 25 Mar 2024 09:46:53 -0400
From: Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>
To: Damien Le Moal <dlemoal@...nel.org>, linux-pci@...r.kernel.org,
 Bjorn Helgaas <bhelgaas@...gle.com>,
 Manivannan Sadhasivami <manivannan.sadhasivam@...aro.org>,
 linux-scsi@...r.kernel.org, "Martin K . Petersen"
 <martin.petersen@...cle.com>, Jaroslav Kysela <perex@...ex.cz>,
 linux-sound@...r.kernel.org, Greg Kroah-Hartman
 <gregkh@...uxfoundation.org>, linux-usb@...r.kernel.org,
 linux-serial@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
 platform-driver-x86@...r.kernel.org, ntb@...ts.linux.dev,
 Lee Jones <lee@...nel.org>, David Airlie <airlied@...il.com>,
 amd-gfx@...ts.freedesktop.org, Jason Gunthorpe <jgg@...pe.ca>,
 linux-rdma@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/28] infiniband: qib: Use PCI_IRQ_INTX


On 3/25/24 3:09 AM, Damien Le Moal wrote:
> Use the macro PCI_IRQ_INTX instead of the deprecated PCI_IRQ_LEGACY
> macro.
> 
> Signed-off-by: Damien Le Moal <dlemoal@...nel.org>
> ---
>  drivers/infiniband/hw/qib/qib_iba7220.c | 2 +-
>  drivers/infiniband/hw/qib/qib_iba7322.c | 5 ++---
>  drivers/infiniband/hw/qib/qib_pcie.c    | 2 +-
>  3 files changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
> index 6af57067c32e..78dfe98ebcf7 100644
> --- a/drivers/infiniband/hw/qib/qib_iba7220.c
> +++ b/drivers/infiniband/hw/qib/qib_iba7220.c
> @@ -3281,7 +3281,7 @@ static int qib_7220_intr_fallback(struct qib_devdata *dd)
>  
>  	qib_free_irq(dd);
>  	dd->msi_lo = 0;
> -	if (pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_LEGACY) < 0)
> +	if (pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_INTX) < 0)
>  		qib_dev_err(dd, "Failed to enable INTx\n");
>  	qib_setup_7220_interrupt(dd);
>  	return 1;
> diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
> index f93906d8fc09..9db29916e35a 100644
> --- a/drivers/infiniband/hw/qib/qib_iba7322.c
> +++ b/drivers/infiniband/hw/qib/qib_iba7322.c
> @@ -3471,8 +3471,7 @@ static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend)
>  				    pci_irq_vector(dd->pcidev, msixnum),
>  				    ret);
>  			qib_7322_free_irq(dd);
> -			pci_alloc_irq_vectors(dd->pcidev, 1, 1,
> -					      PCI_IRQ_LEGACY);
> +			pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_INTX);
>  			goto try_intx;
>  		}
>  		dd->cspec->msix_entries[msixnum].arg = arg;
> @@ -5143,7 +5142,7 @@ static int qib_7322_intr_fallback(struct qib_devdata *dd)
>  	qib_devinfo(dd->pcidev,
>  		"MSIx interrupt not detected, trying INTx interrupts\n");
>  	qib_7322_free_irq(dd);
> -	if (pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_LEGACY) < 0)
> +	if (pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_INTX) < 0)
>  		qib_dev_err(dd, "Failed to enable INTx\n");
>  	qib_setup_7322_interrupt(dd, 0);
>  	return 1;
> diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
> index 47bf64ace05c..58c1d62d341b 100644
> --- a/drivers/infiniband/hw/qib/qib_pcie.c
> +++ b/drivers/infiniband/hw/qib/qib_pcie.c
> @@ -210,7 +210,7 @@ int qib_pcie_params(struct qib_devdata *dd, u32 minw, u32 *nent)
>  	}
>  
>  	if (dd->flags & QIB_HAS_INTX)
> -		flags |= PCI_IRQ_LEGACY;
> +		flags |= PCI_IRQ_INTX;
>  	maxvec = (nent && *nent) ? *nent : 1;
>  	nvec = pci_alloc_irq_vectors(dd->pcidev, 1, maxvec, flags);
>  	if (nvec < 0)

No problems here.

Acked-by: Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>