Re: [PATCH 10/13] usb: mtu3: support ip-sleep wakeup for MT8183

From: kernel test robot
Date: Mon Mar 22 2021 - 13:52:37 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-20210322]
[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: ia64-randconfig-r002-20210322 (attached as .config)
compiler: ia64-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/6c0e65b02daf53e661d1804f081cb75fda28b916
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 6c0e65b02daf53e661d1804f081cb75fda28b916
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64

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 arch/ia64/include/asm/pgtable.h:154,
from include/linux/pgtable.h:6,
from arch/ia64/include/asm/uaccess.h:40,
from include/linux/uaccess.h:11,
from arch/ia64/include/asm/sections.h:11,
from include/linux/interrupt.h:20,
from arch/ia64/include/asm/hw_irq.h:10,
from include/linux/irq.h:589,
from drivers/usb/mtu3/mtu3_host.c:12:
arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
arch/ia64/include/asm/mmu_context.h:127:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
| ^~~~~~~
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/mtu3/mtu3_host.c:10:
drivers/usb/mtu3/mtu3_host.c: In function 'ssusb_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/mtu3/mtu3_host.c:31:19: note: in expansion of macro 'BIT'
31 | #define WC0_IS_EN BIT(6)
| ^~~
drivers/usb/mtu3/mtu3_host.c:60:9: note: in expansion of macro 'WC0_IS_EN'
60 | 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

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0-DAY CI Kernel Test Service, Intel Corporation
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