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Date: Tue, 17 Nov 2020 19:39:25 +0100 From: Heiko Carstens <hca@...ux.ibm.com> To: Krzysztof Kozlowski <krzk@...nel.org> Cc: Arnd Bergmann <arnd@...nel.org>, Geert Uytterhoeven <geert@...ux-m68k.org>, Randy Dunlap <rdunlap@...radead.org>, kernel test robot <lkp@...el.com>, Jiaxun Yang <jiaxun.yang@...goat.com>, kbuild-all@...ts.01.org, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Marc Zyngier <maz@...nel.org>, Arnd Bergmann <arnd@...db.de>, linux-s390 <linux-s390@...r.kernel.org>, Vasily Gorbik <gor@...ux.ibm.com>, Christian Borntraeger <borntraeger@...ibm.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: Re: irq-loongson-pch-pic.c:undefined reference to `of_iomap' On Tue, Nov 17, 2020 at 07:34:55PM +0100, Krzysztof Kozlowski wrote: > > Looking a bit further, I now find that we ended up disabling CONFIG_COMPILE_TEST > > entirely for arch/um, which is clearly an option that would also work for s390. > > Yes, that was the easier solution than to spread "depends on HAS_IOMEM" > all over Kconfigs. > > +Cc Greg KH, > > I got similar report around phy drivers: > https://lore.kernel.org/lkml/202011140335.tceVqHmN-lkp@intel.com/ > > When reproducing this, I saw multiple unmet dependencies on s390 for > MFD_SYSCON and MFD_STM32_TIMERS. > > I suppose there is no point to fix them all because this will be > basically UML case, so HAS_IOMEM all over the tree. FWIW, I just replied a couple of minutes, but you might have missed that: --- I'll add a patch to the s390 tree which disables CONFIG_COMPILE_TEST for s390. I wouldn't like to start again chasing/adding missing 'select' or 'depends on' statements in various config files. ---
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