linux-kernel - Re: [PATCH RFC v2 11/29] PCI/MSI: Convert pci_msix_table

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Message-ID: <20131120162324.GK28946@htj.dyndns.org>
Date:	Wed, 20 Nov 2013 11:23:24 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Alexander Gordeev <agordeev@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ben Hutchings <bhutchings@...arflare.com>,
	David Laight <David.Laight@...LAB.COM>,
	Mark Lord <kernel@...rt.ca>, "H. Peter Anvin" <hpa@...or.com>,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH RFC v2 11/29] PCI/MSI: Convert pci_msix_table_size() to a
 public interface

Hello,

On Fri, Oct 18, 2013 at 07:12:11PM +0200, Alexander Gordeev wrote:
> Make pci_msix_table_size() return error code if the device
> does not support MSI-X. This update is needed to create a
> consistent MSI-X counterpart for pci_get_msi_cap() MSI
> interface.
> 
> Device drivers can use this interface to obtain maximum number
> of MSI-X interrupts the device supports and i.e. use that number
> in a following call to pci_enable_msix() interface.

Please mention that the return value of the function has been changed
in the description.  Also, do we want to rename it to
pci_get_msix_cap() for consistency?

> Signed-off-by: Alexander Gordeev <agordeev@...hat.com>

Reviewed-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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