linux-kernel - RE: [PATCH v2 RESEND 3/4] tsi721: Use pci_enable_msix_exact() instead of pci_enable

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Date:	Fri, 7 Mar 2014 13:35:34 +0000
From:	"Bounine, Alexandre" <Alexandre.Bounine@....com>
To:	Alexander Gordeev <agordeev@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
CC:	Matt Porter <mporter@...nel.crashing.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: RE: [PATCH v2 RESEND 3/4] tsi721: Use pci_enable_msix_exact()
 instead of pci_enable_msix()

> From: Alexander Gordeev [mailto:agordeev@...hat.com]
> Sent: Thursday, March 06, 2014 3:11 PM
> To: linux-kernel@...r.kernel.org
> Cc: Alexander Gordeev; Matt Porter; Bounine, Alexandre; linux-
> pci@...r.kernel.org
> Subject: [PATCH v2 RESEND 3/4] tsi721: Use pci_enable_msix_exact()
> instead of pci_enable_msix()
> 
> As result of deprecation of MSI-X/MSI enablement functions
> pci_enable_msix() and pci_enable_msi_block() all drivers
> using these two interfaces need to be updated to use the
> new pci_enable_msi_range()  or pci_enable_msi_exact()
> and pci_enable_msix_range() or pci_enable_msix_exact()
> interfaces.


Acked-by: Alexandre Bounine <alexandre.bounine@....com>

Andrew, please pick up this patch for the -next tree.

> 
> Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
> Cc: Matt Porter <mporter@...nel.crashing.org>
> Cc: Alexandre Bounine <alexandre.bounine@....com>
> Cc: linux-pci@...r.kernel.org
> ---
>  drivers/rapidio/devices/tsi721.c |   11 +++--------
>  1 files changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/rapidio/devices/tsi721.c
> b/drivers/rapidio/devices/tsi721.c
> index ff7cbf2..ce08e8d 100644
> --- a/drivers/rapidio/devices/tsi721.c
> +++ b/drivers/rapidio/devices/tsi721.c
> @@ -768,15 +768,10 @@ static int tsi721_enable_msix(struct
> tsi721_device *priv)
>  	}
>  #endif /* CONFIG_RAPIDIO_DMA_ENGINE */
> 
> -	err = pci_enable_msix(priv->pdev, entries, ARRAY_SIZE(entries));
> +	err = pci_enable_msix_exact(priv->pdev, entries,
> ARRAY_SIZE(entries));
>  	if (err) {
> -		if (err > 0)
> -			dev_info(&priv->pdev->dev,
> -				 "Only %d MSI-X vectors available, "
> -				 "not using MSI-X\n", err);
> -		else
> -			dev_err(&priv->pdev->dev,
> -				"Failed to enable MSI-X (err=%d)\n", err);
> +		dev_err(&priv->pdev->dev,
> +			"Failed to enable MSI-X (err=%d)\n", err);
>  		return err;
>  	}
> 
> --
> 1.7.7.6

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