linux-kernel - Re: [PATCH 06/13] usb: xhci-mtk: support ip-sleep wakeup for MT8183

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Message-ID: <202103231751.m45XgsVt-lkp@intel.com>
Date:   Tue, 23 Mar 2021 17:07:35 +0800
From:   kernel test robot <lkp@...el.com>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mathias Nyman <mathias.nyman@...el.com>
Cc:     kbuild-all@...ts.01.org, Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/13] usb: xhci-mtk: support ip-sleep wakeup for MT8183

Hi Chunfeng,

I love your patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on robh/for-next linus/master v5.12-rc4 next-20210323]
[cannot apply to mediatek/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]

url:    https://github.com/0day-ci/linux/commits/Chunfeng-Yun/dt-bindings-usb-mtk-xhci-support-property-usb2-lpm-disable/20210322-111651
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: alpha-allyesconfig (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/519248a4690ce1617790e13220fb52badd09b0c9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Chunfeng-Yun/dt-bindings-usb-mtk-xhci-support-property-usb2-lpm-disable/20210322-111651
        git checkout 519248a4690ce1617790e13220fb52badd09b0c9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   In file included from include/linux/bits.h:6,
                    from include/linux/bitops.h:6,
                    from include/linux/kernel.h:11,
                    from include/linux/clk.h:13,
                    from drivers/usb/host/xhci-mtk.c:10:
   drivers/usb/host/xhci-mtk.c: In function 'usb_wakeup_ip_sleep_set':
>> include/vdso/bits.h:7:19: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073441120320' to '4026536000' [-Woverflow]
       7 | #define BIT(nr)   (UL(1) << (nr))
         |                   ^
   drivers/usb/host/xhci-mtk.c:71:19: note: in expansion of macro 'BIT'
      71 | #define WC0_IS_EN BIT(6)
         |                   ^~~
   drivers/usb/host/xhci-mtk.c:313:9: note: in expansion of macro 'WC0_IS_EN'
     313 |   msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P;
         |         ^~~~~~~~~


vim +7 include/vdso/bits.h

3945ff37d2f48d Vincenzo Frascino 2020-03-20  6  
3945ff37d2f48d Vincenzo Frascino 2020-03-20 @7  #define BIT(nr)			(UL(1) << (nr))
3945ff37d2f48d Vincenzo Frascino 2020-03-20  8  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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