Re: [PATCH v2 1/3] clk: JZ4780: Add functions for enable and disable USB PHY.

From: kernel test robot
Date: Mon Jun 29 2020 - 14:44:27 EST


Hi "åçæ,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on clk/clk-next]
[also build test ERROR on linux/master linus/master v5.8-rc3 next-20200629]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Zhou-Yanjie/Add-functions-to-operate-USB-PHY-related-clock/20200629-011858
base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
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
# 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 error/warnings (new ones prefixed by >>):

In file included from arch/alpha/include/asm/bug.h:23,
from include/linux/bug.h:5,
from include/linux/thread_info.h:12,
from include/asm-generic/current.h:5,
from ./arch/alpha/include/generated/asm/current.h:1,
from include/linux/mutex.h:14,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/of.h:17,
from include/linux/clk-provider.h:9,
from drivers/clk/ingenic/jz4780-cgu.c:10:
drivers/clk/ingenic/jz4780-cgu.c: In function 'jz4780_otg_phy_recalc_rate':
>> include/asm-generic/bug.h:127:34: error: expected expression before ')' token
127 | int __ret_warn_on = !!(condition); \
| ^
>> drivers/clk/ingenic/jz4780-cgu.c:129:2: note: in expansion of macro 'WARN'
129 | WARN();
| ^~~~
include/asm-generic/bug.h:88:51: error: expected expression before ')' token
88 | warn_slowpath_fmt(__FILE__, __LINE__, taint, arg); \
| ^
include/asm-generic/bug.h:129:3: note: in expansion of macro '__WARN_printf'
129 | __WARN_printf(TAINT_WARN, format); \
| ^~~~~~~~~~~~~
>> drivers/clk/ingenic/jz4780-cgu.c:129:2: note: in expansion of macro 'WARN'
129 | WARN();
| ^~~~

vim +/WARN +129 drivers/clk/ingenic/jz4780-cgu.c

105
106 static unsigned long jz4780_otg_phy_recalc_rate(struct clk_hw *hw,
107 unsigned long parent_rate)
108 {
109 u32 usbpcr1;
110 unsigned refclk_div;
111
112 usbpcr1 = readl(cgu->base + CGU_REG_USBPCR1);
113 refclk_div = usbpcr1 & USBPCR1_REFCLKDIV_MASK;
114
115 switch (refclk_div) {
116 case USBPCR1_REFCLKDIV_12:
117 return 12000000;
118
119 case USBPCR1_REFCLKDIV_24:
120 return 24000000;
121
122 case USBPCR1_REFCLKDIV_48:
123 return 48000000;
124
125 case USBPCR1_REFCLKDIV_19_2:
126 return 19200000;
127 }
128
> 129 WARN();
130 return parent_rate;
131 }
132

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

Attachment: .config.gz
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