lkml.org 
[lkml]   [2013]   [Jan]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] firewire: Fix ohci free_irq() warning
    On Tue, 29 Jan 2013, Stefan Richter wrote:

    > Added Cc: linux-pm.
    >
    > On Jan 29 Mark Einon wrote:
    > > On 28 January 2013 23:01, Stefan Richter <stefanr@s5r6.in-berlin.de> wrote:
    > > > On Jan 28 Mark Einon wrote:
    > > >> This patch fixes the kernel warning generated when putting an MSI MS-1727
    > > >> GT740 laptop into suspend mode. The call sequence in this case calls
    > > >> free_irq() twice, once in pci_remove() and once then in pci_suspend().
    > > >
    > > > You mean /first/ in pci_suspend() and /then/ in pci_remove() on the
    > > > already suspended devices, right?
    > >
    > > Yes, I did. The call sequence is suspend then resume. My bad.

    Why does the pci_suspend routine call free_irq() at all? As far as I
    know, it's not supposed to do that. Won't the device continue to use
    the same IRQ after it is resumed?

    Alan Stern



    \
     
     \ /
      Last update: 2013-01-29 18:42    [W:2.812 / U:0.784 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site