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USB: don't build PCI quirks if USB support isn't configured

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The USB PCI quirks code gets built into the kernel whenever CONFIG_PCI
is enabled, even if CONFIG_USB is not set.  This can cause unnecessary
messages to show up in the kernel log, such as "CONFIG_USB_XHCI_HCD is
turned off, defaulting to EHCI" (which makes no sense when the kernel
has been configured without host-side USB support).

This patch addresses the problem by building pci-quirks.o only when
CONFIG_PCI and CONFIG_USB are both enabled.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Stern 2015-04-22 12:11:59 -04:00 committed by Greg Kroah-Hartman
parent 58339c2e8b
commit 3091fa77ff
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/host/Makefile
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@ -24,7 +24,9 @@ endif
obj-$(CONFIG_USB_WHCI_HCD) += whci/
obj-$(CONFIG_PCI) += pci-quirks.o
ifneq ($(CONFIG_USB), )
obj-$(CONFIG_PCI) += pci-quirks.o
endif
obj-$(CONFIG_USB_XHCI_PCI) += xhci-pci.o
obj-$(CONFIG_USB_XHCI_PLATFORM) += xhci-plat-hcd.o