Hi Jernej, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on sunxi/sunxi/for-next] [also build test WARNING on v4.19-rc2 next-20180831] [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/Jernej-Skrabec/Allwinner-H6-DE3-and-HDMI-support/20180903-082543 base: https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/for-next 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 GCC_VERSION=7.2.0 make.cross ARCH=arm :::::: branch date: 2 hours ago :::::: commit date: 2 hours ago All warnings (new ones prefixed by >>): >> drivers/clk/sunxi-ng/ccu-sun50i-h6.c:124:2: warning: this decimal constant is unsigned only in ISO C90 .max_rate = 2400000000, ^ drivers/clk/sunxi-ng/ccu-sun50i-h6.c:142:2: warning: this decimal constant is unsigned only in ISO C90 .max_rate = 2400000000, ^ # https://github.com/0day-ci/linux/commit/752a88510f0bcada69753fccb31adb187f80f29a git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout 752a88510f0bcada69753fccb31adb187f80f29a vim +124 drivers/clk/sunxi-ng/ccu-sun50i-h6.c 524353ea4 Icenowy Zheng 2018-03-16 111 524353ea4 Icenowy Zheng 2018-03-16 112 /* 524353ea4 Icenowy Zheng 2018-03-16 113 * For Video PLLs, the output divider is described as "used for testing" 524353ea4 Icenowy Zheng 2018-03-16 114 * in the user manual. So it's not modelled and forced to 0. 524353ea4 Icenowy Zheng 2018-03-16 115 */ 524353ea4 Icenowy Zheng 2018-03-16 116 #define SUN50I_H6_PLL_VIDEO0_REG 0x040 524353ea4 Icenowy Zheng 2018-03-16 117 static struct ccu_nm pll_video0_clk = { 524353ea4 Icenowy Zheng 2018-03-16 118 .enable = BIT(31), 524353ea4 Icenowy Zheng 2018-03-16 119 .lock = BIT(28), 524353ea4 Icenowy Zheng 2018-03-16 120 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), 524353ea4 Icenowy Zheng 2018-03-16 121 .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ 524353ea4 Icenowy Zheng 2018-03-16 122 .fixed_post_div = 4, 752a88510 Jernej Skrabec 2018-09-02 123 .min_rate = 288000000, 752a88510 Jernej Skrabec 2018-09-02 @124 .max_rate = 2400000000, 524353ea4 Icenowy Zheng 2018-03-16 125 .common = { 524353ea4 Icenowy Zheng 2018-03-16 126 .reg = 0x040, 524353ea4 Icenowy Zheng 2018-03-16 127 .features = CCU_FEATURE_FIXED_POSTDIV, 524353ea4 Icenowy Zheng 2018-03-16 128 .hw.init = CLK_HW_INIT("pll-video0", "osc24M", 524353ea4 Icenowy Zheng 2018-03-16 129 &ccu_nm_ops, 524353ea4 Icenowy Zheng 2018-03-16 130 CLK_SET_RATE_UNGATE), 524353ea4 Icenowy Zheng 2018-03-16 131 }, 524353ea4 Icenowy Zheng 2018-03-16 132 }; 524353ea4 Icenowy Zheng 2018-03-16 133 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation