linux-kernel - Re: [PATCH v8 3/4] pwm: add microchip soft ip corePWM driver

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Message-ID: <9d0c3441-f79e-4e24-74aa-fb6c387c25c5@microchip.com>
Date:   Wed, 17 Aug 2022 13:41:15 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <lkp@...el.com>, <thierry.reding@...il.com>,
        <u.kleine-koenig@...gutronix.de>, <robh+dt@...nel.org>,
        <krzk@...nel.org>
CC:     <kbuild-all@...ts.01.org>, <Daire.McNamara@...rochip.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pwm@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v8 3/4] pwm: add microchip soft ip corePWM driver

On 17/08/2022 14:31, kernel test robot wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> Hi Conor,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on linus/master]
> [also build test ERROR on v6.0-rc1]
> [cannot apply to thierry-reding-pwm/for-next robh/for-next]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Conor-Dooley/Microchip-soft-ip-corePWM-driver/20220816-201744
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 568035b01cfb107af8d2e4bd2fb9aea22cf5b868
> config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220817/202208172150.rEZ2HEYS-lkp@intel.com/config)
> compiler: mips-linux-gcc (GCC) 12.1.0
> reproduce (this is a W=1 build):
>          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # https://github.com/intel-lab-lkp/linux/commit/961e375a245186c8ec2c40e48e5baf40a112f14a
>          git remote add linux-review https://github.com/intel-lab-lkp/linux
>          git fetch --no-tags linux-review Conor-Dooley/Microchip-soft-ip-corePWM-driver/20220816-201744
>          git checkout 961e375a245186c8ec2c40e48e5baf40a112f14a
>          # save the config file
>          mkdir build_dir && cp config build_dir/.config
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>     arch/mips/kernel/head.o: in function `kernel_entry':
>     (.ref.text+0xac): relocation truncated to fit: R_MIPS_26 against `start_kernel'
>     init/main.o: in function `set_reset_devices':
>     main.c:(.init.text+0x20): relocation truncated to fit: R_MIPS_26 against `_mcount'
>     main.c:(.init.text+0x30): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
>     init/main.o: in function `debug_kernel':
>     main.c:(.init.text+0xa4): relocation truncated to fit: R_MIPS_26 against `_mcount'
>     main.c:(.init.text+0xb4): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
>     init/main.o: in function `quiet_kernel':
>     main.c:(.init.text+0x128): relocation truncated to fit: R_MIPS_26 against `_mcount'
>     main.c:(.init.text+0x138): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
>     init/main.o: in function `warn_bootconfig':
>     main.c:(.init.text+0x1ac): relocation truncated to fit: R_MIPS_26 against `_mcount'
>     main.c:(.init.text+0x1bc): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
>     init/main.o: in function `init_setup':
>     main.c:(.init.text+0x234): relocation truncated to fit: R_MIPS_26 against `_mcount'
>     main.c:(.init.text+0x254): additional relocation overflows omitted from the output
>     mips-linux-ld: drivers/pwm/pwm-microchip-core.o: in function `mchp_core_pwm_enable':
>>> pwm-microchip-core.c:(.text.mchp_core_pwm_enable+0x1cc): undefined reference to `__udivdi3'

Ah god, not this again...
I assume it's "sleep_range(period / 1000, period / 1000 * 2);"

I'll take a look & send v9 later in the week.

Thanks,
Conor.