Messages in this thread | | | Date | Tue, 29 Jan 2013 12:01:13 -0500 (EST) | From | Alan Stern <> | Subject | Re: [PATCH] firewire: Fix ohci free_irq() warning |
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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
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