On Sun, Aug 26, 2007 at 02:03:49AM +0200, Guennadi Liakhovetski wrote: > Implement suspend/resume for "mpc10x" compatible fsl host PCI controllers, > use it for linkstation standby. Hi Guennadi <snip> > +static int __init ls_pm_init(void) > +{ > + if (!machine_is(linkstation)) > + return 0; This should probably be -ENODEV. <snip> > +int mpc10x_suspend(suspend_state_t state) You only seem to call this from ls_pm_enter() where you don't check the return value, perhaps this should be void ? > +{ > + struct pci_dev *bridge; > + u16 pmcr1; > + > + bridge = pci_find_slot(0, 0); > + if (!bridge) > + return -ENODEV; I think you want pci_get_bus_and_slot() here instead of pci_find_slot(), in fact I think it'd be cleaner, if you located the bridge in ls_pm_enter() and passed it in. > +int mpc10x_resume(suspend_state_t state) > +{ > + struct pci_dev *bridge; > + u16 pmcr1; > + > + bridge = pci_find_slot(0, 0); > + if (!bridge) > + return -ENODEV; Same comments ass mpc10x_suspend(); Yours Tony linux.conf.au http://linux.conf.au/ || http://lca2008.linux.org.au/ Jan 28 - Feb 02 2008 The Australian Linux Technical Conference! _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm