On Mon, Aug 01, 2016 at 06:54:53PM -0400, Tom Rini wrote: > As part of testing booting Linux kernels on Rockchip devices, it was > discovered by Ziyuan Xu and Sandy Patterson that we had multiple and for > some cases incomplete isb definitions. This was causing a failure to > boot of the Linux kernel. > > In order to solve this problem as well as cover any corner cases that we > may also have had a number of changes are made in order to consolidate > things. First, <asm/barriers.h> now becomes the source of isb/dsb/dmb > definitions. This however introduces another complexity. Due to > needing to build SPL for 32bit tegra with -march=armv4 we need to borrow > the __LINUX_ARM_ARCH__ logic from the Linux Kernel in a more complete > form. Move this from arch/arm/lib/Makefile to arch/arm/Makefile and add > a comment about it. Now that we can always know what the target CPU is > capable off we can get always do the correct thing for the barrier. The > final part of this is that need to be consistent everywhere and call > isb()/dsb()/dmb() and NOT call ISB/DSB/DMB in some cases and the > function names in others. > > Reported-by: Ziyuan Xu <xzy...@rock-chips.com> > Reported-by: Sandy Patterson <apatter...@sightlogix.com> > Signed-off-by: Tom Rini <tr...@konsulko.com>
Applied to u-boot/master, thanks! -- Tom
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