Randconfig module build error with OMAP4_ERRATA_I688

[Tony Lindgren]

* Shilimkar, Santosh <santosh.shilimkar at ti.com> [120302 03:15]:
> On Thu, Mar 1, 2012 at 9:55 PM, Tony Lindgren <tony at atomide.com> wrote:
> > * Shilimkar, Santosh <santosh.shilimkar at ti.com> [120301 00:38]:
> >> On Wed, Feb 29, 2012 at 11:07 PM, Tony Lindgren <tony at atomide.com> wrote:
> >> > Hi Santosh,
> >> >
> >> > Looks like OMAP4_ERRATA_I688 still has one more issue:
> >> > Modules won't build at least with the attached randconfig
> >> > generated file.
> >> >
> >> > Can you please take a look at how to deal with it?
> >> >
> >> > Maybe omap_bus_sync should be an inline function with some
> >> > wrapper for the sleep44xx.S to call?
> >> >
> >> > I already posted a fix for the GPMC related error with the
> >> > same .config file.
> >> >
> >> This one builds for me against 'Linux 3.3-rc5,
> >> Ofocurse I got below error with the attached .config which
> >> I bypassed to see the Errata build failure.
> >>
> >> arch/arm/mach-omap2/built-in.o: In function `n8x0_mmc_callback':
> >> linux-2.6/arch/arm/mach-omap2/board-n8x0.c:374: undefined reference to
> >> `omap_mmc_notify_cover_event'
> >> make: *** [.tmp_vmlinux1] Error 1
> >
> > Yes a fix for that has been queued already.
> >
> >> I build this with below toolchain...
> >> $arm-none-linux-gnueabi-gcc --version
> >> arm-none-linux-gnueabi-gcc (Sourcery G++ Lite 2011.03-41) 4.5.2
> >> Copyright (C) 2010 Free Software Foundation, Inc.
> >>
> >> Am I missing anything ?
> >
> > I think you're missing your commit 2ec1fc4e169acc0b8d6733ff028fd52e766773d9
> > (ARM: OMAP4: Move the barrier memboclk_steal() as part of reserve callback)
> > thats' queued up in fixes, and CONFIG_OMAP4_ERRATA_I688=y.
> >
> > Then with -rc5 + 2ec1fc4e when you build modules you'll get this:
> >
> > ERROR: "omap_bus_sync" [drivers/watchdog/sp805_wdt.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/watchdog/dw_wdt.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/virtio/virtio_ring.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/video/sm501fb.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/usb/mon/usbmon.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/usb/host/sl811-hcd.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/usb/host/ohci-hcd.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/usb/host/isp1760.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/usb/host/isp1362-hcd.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/usb/host/isp116x-hcd.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/usb/core/usbcore.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/tty/serial/altera_uart.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/tty/serial/altera_jtaguart.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/tty/serial/8250/8250_dw.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/ssb/ssb.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/rtc/rtc-cmos.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/rtc/rtc-bq4802.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/mtd/nand/tmio_nand.ko] undefined!
> > ERROR: "omap_bus_sync" [drivers/mtd/nand/omap2.ko] undefined!
> >
> Sricharan has posted a fix for it. [1]
> The sleep code stuff is just dummy function for the cases when the errata
> is not defined. When Errata is defined the generic barriers too get impacted
> and hence the function needs to be exported.

OK thanks,

Tony

 
> [1] http://www.spinics.net/lists/arm-kernel/msg162608.html