Hi Mylène, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20180223] [cannot apply to arm-soc/for-next robh/for-next linux-rpi/for-rpi-next v4.16-rc2 v4.16-rc1 v4.15 v4.16-rc3] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Myl-ne-Josserand/Sunxi-Add-SMP-support-on-A83T/20180226-035312 config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All errors (new ones prefixed by >>): arch/arm/mach-sunxi/headsmp.S: Assembler messages: >> arch/arm/mach-sunxi/headsmp.S:22: Error: selected processor does not support `movw r2,#(0xff00fff0&0xffff)' in ARM mode >> arch/arm/mach-sunxi/headsmp.S:23: Error: selected processor does not support `movt r2,#(0xff00fff0>>16)' in ARM mode arch/arm/mach-sunxi/headsmp.S:25: Error: selected processor does not support `movw r2,#(0x4100c0f0&0xffff)' in ARM mode arch/arm/mach-sunxi/headsmp.S:26: Error: selected processor does not support `movt r2,#(0x4100c0f0>>16)' in ARM mode vim +22 arch/arm/mach-sunxi/headsmp.S 13 14 ENTRY(sunxi_mc_smp_cluster_cache_enable) 15 /* 16 * Enable cluster-level coherency, in preparation for turning on the MMU. 17 * 18 * Also enable regional clock gating and L2 data latency settings for 19 * Cortex-A15. These settings are from the vendor kernel. 20 */ 21 mrc p15, 0, r1, c0, c0, 0 > 22 movw r2, #(0xff00fff0&0xffff) > 23 movt r2, #(0xff00fff0>>16) 24 and r1, r1, r2 25 movw r2, #(0x4100c0f0&0xffff) 26 movt r2, #(0x4100c0f0>>16) 27 cmp r1, r2 28 bne not_a15 29 30 /* The following is Cortex-A15 specific */ 31 32 /* ACTLR2: Enable CPU regional clock gates */ 33 mrc p15, 1, r1, c15, c0, 4 34 orr r1, r1, #(0x1<<31) 35 mcr p15, 1, r1, c15, c0, 4 36 37 /* L2ACTLR */ 38 mrc p15, 1, r1, c15, c0, 0 39 /* Enable L2, GIC, and Timer regional clock gates */ 40 orr r1, r1, #(0x1<<26) 41 /* Disable clean/evict from being pushed to external */ 42 orr r1, r1, #(0x1<<3) 43 mcr p15, 1, r1, c15, c0, 0 44 45 /* L2CTRL: L2 data RAM latency */ 46 mrc p15, 1, r1, c9, c0, 2 47 bic r1, r1, #(0x7<<0) 48 orr r1, r1, #(0x3<<0) 49 mcr p15, 1, r1, c9, c0, 2 50 51 /* End of Cortex-A15 specific setup */ 52 not_a15: 53 54 /* Get value of sunxi_mc_smp_first_comer */ 55 adr r1, first 56 ldr r0, [r1] 57 ldr r0, [r1, r0] 58 59 /* Skip cci_enable_port_for_self if not first comer */ 60 cmp r0, #0 61 bxeq lr 62 b cci_enable_port_for_self 63 64 .align 2 65 first: .word sunxi_mc_smp_first_comer - . 66 ENDPROC(sunxi_mc_smp_cluster_cache_enable) 67 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation