lkml.org 
[lkml]   [2013]   [Oct]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC 05/77] PCI/MSI: Convert pci_msix_table_size() to a public interface
Hello,

On Wed, Oct 02, 2013 at 12:48:21PM +0200, Alexander Gordeev wrote:
> Make pci_msix_table_size() to return a error code if the device
> does not support MSI-X. This update is needed to facilitate a
> forthcoming re-design MSI/MSI-X interrupts enabling pattern.
>
> Device drivers will use this interface to obtain maximum number
> of MSI-X interrupts the device supports and use that value in
> the following call to pci_enable_msix() interface.
>
> Signed-off-by: Alexander Gordeev <agordeev@redhat.com>

Hmmm... I probably missed something but why is this necessary? To
discern between -EINVAL and -ENOSPC? If so, does that really matter?

Thanks.

--
tejun


\
 
 \ /
  Last update: 2013-10-07 20:41    [W:0.273 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site