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Message-ID: <201606170935.eYviWxtP%fengguang.wu@intel.com>
Date: Fri, 17 Jun 2016 09:22:04 +0800
From: kbuild test robot <lkp@...el.com>
To: Hoan Tran <hotran@....com>
Cc: kbuild-all@...org, Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
lho@....com, Duc Dang <dhdang@....com>, Hoan Tran <hotran@....com>
Subject: Re: [PATCH 2/2] clk: Add fractional scale clock support
Hi,
[auto build test ERROR on clk/clk-next]
[also build test ERROR on v4.7-rc3 next-20160616]
[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/Hoan-Tran/clk-Add-fractional-scale-clock-support/20160617-074656
base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
config: microblaze-mmu_defconfig (attached as .config)
compiler: microblaze-linux-gcc (GCC) 4.9.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=microblaze
All errors (new ones prefixed by >>):
drivers/built-in.o: In function `clk_fs_set_rate':
>> drivers/clk/clk-fractional-scale.c:99: undefined reference to `__udivdi3'
drivers/built-in.o: In function `clk_fs_round_rate':
drivers/clk/clk-fractional-scale.c:76: undefined reference to `__udivdi3'
vim +99 drivers/clk/clk-fractional-scale.c
93 * Compute the scaler:
94 *
95 * freq = parent_rate * scaler / denom, or
96 * scaler = freq * denom / parent_rate
97 */
98 ret = rate * fd->denom;
> 99 scale = ret / (u64)parent_rate;
100
101 /* Check if inverted */
102 if (fd->flags & CLK_FRACTIONAL_SCALE_INVERTED)
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Download attachment ".config.gz" of type "application/octet-stream" (12638 bytes)
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