On 02/14/2013 01:21 PM, Arnd Bergmann wrote: > On Thursday 14 February 2013, Ezequiel Garcia wrote: >> Now, using the random config there's a new error, unrelated to the >> previous one: >> >> ERROR: "twl6030_interrupt_unmask" [drivers/usb/otg/twl6030-usb.ko] undefined! >> ERROR: "twl_i2c_read_u8" [drivers/usb/otg/twl6030-usb.ko] undefined! >> ERROR: "twl_i2c_write_u8" [drivers/usb/otg/twl6030-usb.ko] undefined! >> ERROR: "twl6030_interrupt_mask" [drivers/usb/otg/twl6030-usb.ko] undefined! > > Yes, I guess that is an unrelated error. However, my patch also wasn't > correct because it is not allowed to have an empty list of objects. > > There is an updated patch below, I could add that straight to the branch > that caused the problem if it looks ok to you. OK for me, this patch still fix the build error and I tested that we still have a valid kernel for Armada 370 for Armada XP Tested-by: Gregory Clement <gregory.clement@xxxxxxxxxxxxxxxxxx> on Armada 370 DB and Armada XP DB > > Arnd > ---- > From 0860b5b4558ad777068826bc9a735b82f3cf0d88 Mon Sep 17 00:00:00 2001 > From: Arnd Bergmann <arnd@xxxxxxxx> > Date: Thu, 14 Feb 2013 13:14:53 +0100 > Subject: [PATCH] ARM: mvebu: allow selecting mvebu without Armada XP > > Selecting only CONFIG_ARCH_MVEBU but not the respective > options for Armada 370 or Armada XP results in these > link errors: > > arch/arm/mach-mvebu/built-in.o: In function `armada_xp_smp_init_cpus': > arch/arm/mach-mvebu/platsmp.c:91: undefined reference to `coherency_get_cpu_count' > arch/arm/mach-mvebu/platsmp.c:104: undefined reference to `armada_mpic_send_doorbell' > arch/arm/mach-mvebu/built-in.o: In function `armada_xp_smp_prepare_cpus': > arch/arm/mach-mvebu/platsmp.c:111: undefined reference to `set_cpu_coherent' > arch/arm/mach-mvebu/built-in.o: In function `armada_xp_boot_secondary': > arch/arm/mach-mvebu/platsmp.c:83: undefined reference to `armada_xp_boot_cpu' > arch/arm/mach-mvebu/built-in.o: In function `armada_xp_secondary_init': > arch/arm/mach-mvebu/platsmp.c:75: undefined reference to `armada_xp_mpic_smp_cpu_init' > arch/arm/mach-mvebu/built-in.o: In function `armada_xp_secondary_startup': > arch/arm/mach-mvebu/headsmp.S:46: undefined reference to `ll_set_cpu_coherent' > > We can solve this by enabling all common MVEBU files that are > referenced by the SMP files. This means we enable code that > is not going to be used without a machine descriptor referencing > it, but only if the kernel is configured specifically for this > case. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > Cc: Gregory Clement <gregory.clement@xxxxxxxxxxxxxxxxxx> > Cc: Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxxxxxxxxxx> > > diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile > index 99df4df..da93bcb 100644 > --- a/arch/arm/mach-mvebu/Makefile > +++ b/arch/arm/mach-mvebu/Makefile > @@ -3,7 +3,8 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \ > > AFLAGS_coherency_ll.o := -Wa,-march=armv7-a > > -obj-y += system-controller.o > -obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o irq-armada-370-xp.o addr-map.o coherency.o coherency_ll.o pmsu.o > +obj-y += system-controller.o > +obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o > +obj-$(CONFIG_ARCH_MVEBU) += addr-map.o coherency.o coherency_ll.o pmsu.o irq-armada-370-xp.o > obj-$(CONFIG_SMP) += platsmp.o headsmp.o > obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o > -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html