linux-kernel - Re: Build failure: bisected: v3.1-rc1 with config ARCH_OMAP && !ARCH

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Date:	Tue, 9 Aug 2011 06:14:53 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Paul Walmsley <paul@...an.com>
Cc:	Daniel Morsing <daniel.morsing@...il.com>,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	Peter Ujfalusi <peter.ujfalusi@...com>
Subject: Re: Build failure: bisected: v3.1-rc1 with config ARCH_OMAP &&
 !ARCH_OMAP4 fails with linker error

* Paul Walmsley <paul@...an.com> [110808 13:31]:
> Hi
> 
> On Mon, 8 Aug 2011, Daniel Morsing wrote:
> 
> > Building the v3.1-rc1 kernel with ARCH_OMAP && !ARCH_OMAP4 support fails
> > on linking with the following error
> > 
> > ...
> >   LD      .tmp_vmlinux1
> > arch/arm/mach-omap2/built-in.o:(.data+0xf7d8): undefined reference to `omap4430_phy_init'
> > arch/arm/mach-omap2/built-in.o:(.data+0xf7dc): undefined reference to `omap4430_phy_exit'
> > arch/arm/mach-omap2/built-in.o:(.data+0xf7e0): undefined reference to `omap4430_phy_power'
> > arch/arm/mach-omap2/built-in.o:(.data+0xf7e4): undefined reference to `omap4430_phy_set_clk'
> > arch/arm/mach-omap2/built-in.o:(.data+0xf7e8): undefined reference to `omap4430_phy_suspend'
> > 
> > I've bisected the first bad commit to "OMAP4: Move common twl6030
> > configuration to twl-common" (commit-id
> > b22f954bae35be115a10c6426dc070f7d652b32e). The problem seems to be
> > unconditionally taking a function pointer to an omap4430 specific
> > function in arch/arm/mach-omap2/twl-common.c. The definition for
> > omap4430_phy_init and friends is in
> > arch/arm/mach-omap2/omap_phy_internal.c, which is only compiled when
> > building with support for one of the omap4430 boards.
> 
> Thanks for the bisect; this should be fixed by 
> 
> https://patchwork.kernel.org/patch/963462/

Hmm, there are also these when CONFIG_ARCH_OMAP4 is not selected:

arch/arm/mach-omap2/built-in.o: In function `_enable_module':
arch/arm/mach-omap2/omap_hwmod.c:701: undefined reference to `omap4_cminst_module_enable'
arch/arm/mach-omap2/built-in.o: In function `_disable_module':
arch/arm/mach-omap2/omap_hwmod.c:726: undefined reference to `omap4_cminst_module_disable'
arch/arm/mach-omap2/built-in.o: In function `_wait_target_disable':
arch/arm/mach-omap2/omap_hwmod.c:1179: undefined reference to `omap4_cminst_wait_module_idle'
distcc[27594] ERROR: compile (null) on localhost failed
make: *** [.tmp_vmlinux1] Error 1

Care to take a look?

Tony
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