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

From: kernel test robot
Date: Tue Mar 23 2021 - 05:09:17 EST

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]

base: usb-testing
config: alpha-allyesconfig (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add linux-review
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@xxxxxxxxx>

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

Attachment: .config.gz
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