linux-kernel - Re: [PATCH v2 RESEND 08/23] hpsa: Fallback to MSI rather than to INTx if MSI-X failed

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Message-ID: <20140726081647.GE21129@agordeev.usersys.redhat.com>
Date:	Sat, 26 Jul 2014 09:16:48 +0100
From:	Alexander Gordeev <agordeev@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>,
	iss_storagedev@...com, linux-scsi@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH v2 RESEND 08/23] hpsa: Fallback to MSI rather than to
 INTx if MSI-X failed

On Wed, Jul 16, 2014 at 08:05:12PM +0200, Alexander Gordeev wrote:
> Currently the driver falls back to INTx mode when MSI-X
> initialization failed. This is a suboptimal behaviour
> for chips that also support MSI. This update changes that
> behaviour and falls back to MSI mode in case MSI-X mode
> initialization failed.

Hi Stephen,

Could you please reveiew hpsa patches in this series?

Thanks!

> Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
> Cc: "Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
> Cc: iss_storagedev@...com
> Cc: linux-scsi@...r.kernel.org
> Cc: linux-pci@...r.kernel.org
> ---
>  drivers/scsi/hpsa.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
> index 31184b3..648dec2 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -6177,7 +6177,6 @@ static void hpsa_interrupt_mode(struct ctlr_info *h)
>  			dev_warn(&h->pdev->dev, "MSI-X init failed %d\n",
>  			       err);
>  			h->msix_vector = 0;
> -			goto default_int_mode;
>  		}
>  	}
>  	if (pci_find_capability(h->pdev, PCI_CAP_ID_MSI)) {
> -- 
> 1.7.7.6
> 

-- 
Regards,
Alexander Gordeev
agordeev@...hat.com
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