| Date | Mon, 7 Oct 2013 14:10:43 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH RFC 05/77] PCI/MSI: Convert pci_msix_table_size() to a public interface |
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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
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