The latest randconfig build for OMAP4430SDP produced this build failure:
drivers/usb/host/ehci-hcd.c:1382:2: error: #error "missing bus glue for ehci-hcd"
This appears to be because the OMAP EHCI glue was not selected in the
configuration, but ehci-hcd was:
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
# CONFIG_USB_EHCI_HCD_OMAP is not set
# CONFIG_USB_EHCI_MV is not set
Looking at the Kconfig file, it seems that it's entirely possible to
select EHCI_HCD without any glue selected. It's also possible to build
EHCI with two (or more) bus glues selected - eg, it's possible for
both these to be selected:
Kconfig:
config USB_EHCI_HCD_OMAP
bool "EHCI support for OMAP3 and later chips"
depends on USB_EHCI_HCD && ARCH_OMAP
config USB_EHCI_MV
bool "EHCI support for Marvell on-chip controller"
depends on USB_EHCI_HCD
ehci-hcd.c:
#ifdef CONFIG_USB_EHCI_HCD_OMAP
#include "ehci-omap.c"
#define PLATFORM_DRIVER ehci_hcd_omap_driver
#endif
#ifdef CONFIG_USB_EHCI_MV
#include "ehci-mv.c"
#define PLATFORM_DRIVER ehci_mv_driver
#endif
So on the whole, it looks like the Kconfig for EHCI is broken.
The full config file which produced this failure will be available for
the next 7 days from:
http://www.arm.linux.org.uk/developer/build/file.php?type=config&idx=146
and the failing build log:
http://www.arm.linux.org.uk/developer/build/result.php?type=build&idx=146
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