On 2016-01-15 00:12, Alexey Brodkin wrote: > Given those patches are relevant to any ARC platform and even > ISA version it makes perfect sense for patches to exist > in one place instead of being duplicated for each new ARC-based ASIC. > > Note this is a prerequisite for upstreaming of ARC HS38 support in > OpenWRT. > > Signed-off-by: Alexey Brodkin <abrod...@synopsys.com> > Cc: Felix Fietkau <n...@openwrt.org> > Cc: Jo-Philipp Wich <j...@openwrt.org> > Cc: Jonas Gorski <j...@openwrt.org> > --- /dev/null > +++ > b/target/linux/generic/patches-4.4/331-arc-remove-dependency-on-DEVTMPFS.patch > @@ -0,0 +1,36 @@ > +From adfbf9e6cad93281cffceab078e7f6f2a8e094f9 Mon Sep 17 00:00:00 2001 > +From: Alexey Brodkin <abrod...@synopsys.com> > +Date: Thu, 13 Aug 2015 01:56:02 +0300 > +Subject: [PATCH 1/2] openwrt: arc - remove dependency on DEVTMPFS > + > +OpenWRT builds initramfs so that it doesn't require DEVTMPFS so dropping > +this dependency. That helps to escape 2 separate kernel rebuilds with > +and without initramfs. > + > +2 builds happen because OpenWRT first builds kernel and later modules. > +When building entire kernel with simple "make" INITRAMFS sets to a real > +value and so was triggering DEVTMPFS selection. Then when building only > +modules with "make modules" command INITRAMFS is zeroed and so kernel > +config was changing that lead to full kernel rebuild. > + > +Signed-off-by: Alexey Brodkin <abrod...@synopsys.com> > +--- > + arch/arc/Kconfig | 2 -- > + 1 file changed, 2 deletions(-) > + > +diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig > +index 6312f60..a95bab3 100644 > +--- a/arch/arc/Kconfig > ++++ b/arch/arc/Kconfig > +@@ -12,8 +12,6 @@ config ARC > + select BUILDTIME_EXTABLE_SORT > + select COMMON_CLK > + select CLONE_BACKWARDS > +- # ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev > +- select DEVTMPFS if !INITRAMFS_SOURCE="" > + select GENERIC_ATOMIC64 > + select GENERIC_CLOCKEVENTS > + select GENERIC_FIND_FIRST_BIT Could you please send this one upstream as well?
- Felix _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
