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Date: Sat, 16 Oct 2010 00:23:01 +0200 From: Marcin Slusarz <marcin.slusarz@...il.com> To: Sarah Sharp <sarah.a.sharp@...ux.intel.com> Cc: Greg KH <gregkh@...e.de>, Randy Dunlap <randy.dunlap@...cle.com>, Stephen Rothwell <sfr@...b.auug.org.au>, linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, lud <linux-usb@...r.kernel.org>, Andiry Xu <andiry.xu@....com>, Dong Nguyen <dong.nguyen@....com>, Libin Yang <libin.yang@....com> Subject: Re: [PATCH] usb: Fix linker errors with CONFIG_PM=n On Fri, Oct 15, 2010 at 02:59:15PM -0700, Sarah Sharp wrote: > Fix these linker errors when CONFIG_PM=n: > > ERROR: "xhci_bus_resume" [drivers/usb/host/xhci-hcd.ko] undefined! > ERROR: "xhci_bus_suspend" [drivers/usb/host/xhci-hcd.ko] undefined! > > Reported-by: Randy Dunlap <randy.dunlap@...cle.com> > Signed-off-by: Sarah Sharp <sarah.a.sharp@...ux.intel.com> > --- > > Randy, this should fix your linker errors. Without the patch, I get the > same errors, and with the patch I don't. > > Greg, this applies on top of the previous patch. > > drivers/usb/host/xhci-hub.c | 7 +------ > drivers/usb/host/xhci.c | 6 ------ > drivers/usb/host/xhci.h | 14 ++++++++++++++ > 3 files changed, 15 insertions(+), 12 deletions(-) > > diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c > index 7f2f63c..fef5a1f 100644 > --- a/drivers/usb/host/xhci-hub.c > +++ b/drivers/usb/host/xhci-hub.c > @@ -742,9 +742,4 @@ int xhci_bus_resume(struct usb_hcd *hcd) > return 0; > } > > -#else > - > -#define xhci_bus_suspend NULL > -#define xhci_bus_resume NULL > - > -#endif > +#endif /* CONFIG_PM */ > diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c > index 9dc5be5..5d7d4e9 100644 > --- a/drivers/usb/host/xhci.c > +++ b/drivers/usb/host/xhci.c > @@ -761,12 +761,6 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) > spin_unlock_irq(&xhci->lock); > return 0; > } > - > -#else > - > -#define xhci_suspend NULL > -#define xhci_resume NULL > - > #endif /* CONFIG_PM */ > > /*-------------------------------------------------------------------------*/ > diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h > index c08928a..93d3bf4 100644 > --- a/drivers/usb/host/xhci.h > +++ b/drivers/usb/host/xhci.h > @@ -1405,8 +1405,15 @@ int xhci_init(struct usb_hcd *hcd); > int xhci_run(struct usb_hcd *hcd); > void xhci_stop(struct usb_hcd *hcd); > void xhci_shutdown(struct usb_hcd *hcd); > + > +#ifdef CONFIG_PM > int xhci_suspend(struct xhci_hcd *xhci); > int xhci_resume(struct xhci_hcd *xhci, bool hibernated); > +#else > +#define xhci_suspend NULL > +#define xhci_resume NULL > +#endif > + "static inline int xhci_suspend(struct xhci_hcd *) {}" has the same effect but saves types > int xhci_get_frame(struct usb_hcd *hcd); > irqreturn_t xhci_irq(struct usb_hcd *hcd); > irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd); > @@ -1481,8 +1488,15 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, > int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, > char *buf, u16 wLength); > int xhci_hub_status_data(struct usb_hcd *hcd, char *buf); > + > +#ifdef CONFIG_PM > int xhci_bus_suspend(struct usb_hcd *hcd); > int xhci_bus_resume(struct usb_hcd *hcd); > +#else > +#define xhci_bus_suspend NULL > +#define xhci_bus_resume NULL > +#endif /* CONFIG_PM */ > + > u32 xhci_port_state_to_neutral(u32 state); > int xhci_find_slot_id_by_port(struct xhci_hcd *xhci, u16 port); > void xhci_ring_device(struct xhci_hcd *xhci, int slot_id); > -- > 1.6.3.3 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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