[lkml]   [2009]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 4/8] PCI PCIe portdrv: Do not enable port device before setting up interrupts
On Sunday, January 4, 2009 2:54 pm Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <>
> The PCI Express port driver calls pci_enable_device() before setting
> up interrupts, which is wrong, because if there is an interrupt pin
> configured for the port, pci_enable_device() will likely set up an
> interrupt link for it. However, this shouldn't be done if either
> MSI or MSI-X interrupt mode is chosen for the port.
> The solution is to call pci_enable_device() after setting up
> interrupts, because in that case the interrupt link won't be set up
> if MSI or MSI-X are enabled.

Hm, wonder how this bug stuck around for so long... Good catch.

Jesse Barnes, Intel Open Source Technology Center

 \ /
  Last update: 2009-01-10 00:29    [W:0.159 / U:1.700 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site