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Date: Sat, 29 Oct 2022 07:56:27 +0800
From: kernel test robot <lkp@...el.com>
To: Deepak R Varma <drv@...lo.com>, outreachy@...ts.linux.dev,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH] staging: fbtft: Use ARRAY_SIZE() to get argument count
Hi Deepak,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on staging/staging-testing]
url: https://github.com/intel-lab-lkp/linux/commits/Deepak-R-Varma/staging-fbtft-Use-ARRAY_SIZE-to-get-argument-count/20221028-213204
patch link: https://lore.kernel.org/r/Y1vZXUi0Bjiub8HZ%40ubunlion
patch subject: [PATCH] staging: fbtft: Use ARRAY_SIZE() to get argument count
config: arm-randconfig-r004-20221029
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/intel-lab-lkp/linux/commit/74374d9d2a2d6066b94d64aa44e9a1b24c854c4e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Deepak-R-Varma/staging-fbtft-Use-ARRAY_SIZE-to-get-argument-count/20221028-213204
git checkout 74374d9d2a2d6066b94d64aa44e9a1b24c854c4e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/staging/fbtft/
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 >>):
>> drivers/staging/fbtft/fbtft-core.c:206:15: error: initializer element is not a compile-time constant
(xs >> 8) & 0xFF, xs & 0xFF, (xe >> 8) & 0xFF, xe & 0xFF);
~~~~~~~~~~^~~~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fbtft-core.c:209:15: error: initializer element is not a compile-time constant
(ys >> 8) & 0xFF, ys & 0xFF, (ye >> 8) & 0xFF, ye & 0xFF);
~~~~~~~~~~^~~~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fbtft-core.c:330:6: warning: variable 'count' set but not used [-Wunused-but-set-variable]
int count = 0;
^
1 warning and 2 errors generated.
--
>> drivers/staging/fbtft/fb_bd663474.c:110:26: error: initializer element is not a compile-time constant
write_reg(par, 0x0200, xs);
^~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_bd663474.c:111:26: error: initializer element is not a compile-time constant
write_reg(par, 0x0201, ys);
^~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_bd663474.c:114:36: error: initializer element is not a compile-time constant
write_reg(par, 0x0200, WIDTH - 1 - xs);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
~~~~~~~~^~~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
~~~~~~~~~~~~~~~~^~~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_bd663474.c:115:37: error: initializer element is not a compile-time constant
write_reg(par, 0x0201, HEIGHT - 1 - ys);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
~~~~~~~~^~~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
~~~~~~~~~~~~~~~~^~~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_bd663474.c:118:36: error: initializer element is not a compile-time constant
write_reg(par, 0x0200, WIDTH - 1 - ys);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
~~~~~~~~^~~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
~~~~~~~~~~~~~~~~^~~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
--
>> drivers/staging/fbtft/fb_hx8353d.c:67:26: error: initializer element is not a compile-time constant
write_reg(par, 0x2a, xs >> 8, xs & 0xff, xe >> 8, xe & 0xff);
~~~^~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_hx8353d.c:70:26: error: initializer element is not a compile-time constant
write_reg(par, 0x2b, ys >> 8, ys & 0xff, ye >> 8, ye & 0xff);
~~~^~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_hx8353d.c:92:6: error: initializer element is not a compile-time constant
mx | my | (par->bgr << 3));
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/fbtft/fb_hx8353d.c:77:12: note: expanded from macro 'mx'
#define mx BIT(6)
^
include/vdso/bits.h:7:19: note: expanded from macro 'BIT'
#define BIT(nr) (UL(1) << (nr))
^
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
~~~~~~~~^~~~~~~~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_hx8353d.c:96:6: error: initializer element is not a compile-time constant
my | mv | (par->bgr << 3));
^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/fbtft/fb_hx8353d.c:76:12: note: expanded from macro 'my'
#define my BIT(7)
^
include/vdso/bits.h:7:19: note: expanded from macro 'BIT'
#define BIT(nr) (UL(1) << (nr))
^
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
~~~~~~~~^~~~~~~~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_hx8353d.c:100:15: error: initializer element is not a compile-time constant
par->bgr << 3);
~~~~~~~~~^~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
--
>> drivers/staging/fbtft/fb_hx8357d.c:135:8: error: initializer element is not a compile-time constant
xs >> 8, xs & 0xff, /* XSTART */
~~~^~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_hx8357d.c:139:8: error: initializer element is not a compile-time constant
ys >> 8, ys & 0xff, /* YSTART */
~~~^~~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
drivers/staging/fbtft/fb_hx8357d.c:174:44: error: initializer element is not a compile-time constant
write_reg(par, MIPI_DCS_SET_ADDRESS_MODE, val);
^~~
drivers/staging/fbtft/fbtft.h:237:47: note: expanded from macro 'write_reg'
((par)->fbtftops.write_register(par, NUMARGS(__VA_ARGS__), __VA_ARGS__))
^~~~~~~~~~~
drivers/staging/fbtft/fbtft.h:234:44: note: expanded from macro 'NUMARGS'
#define NUMARGS(...) ARRAY_SIZE(((int[]){ __VA_ARGS__ }))
^~~~~~~~~~~
include/linux/kernel.h:55:75: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~
include/linux/compiler.h:232:59: note: expanded from macro '__must_be_array'
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
^
include/linux/compiler_types.h:298:63: note: expanded from macro '__same_type'
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
^
include/linux/build_bug.h:16:62: note: expanded from macro 'BUILD_BUG_ON_ZERO'
#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
^
3 errors generated.
..
vim +206 drivers/staging/fbtft/fbtft-core.c
c296d5f9957c03 Thomas Petazzoni 2014-12-31 201
ed2084360d040a Krzysztof Adamski 2015-01-22 202 static void fbtft_set_addr_win(struct fbtft_par *par, int xs, int ys, int xe,
ed2084360d040a Krzysztof Adamski 2015-01-22 203 int ye)
c296d5f9957c03 Thomas Petazzoni 2014-12-31 204 {
a79cb3901ee3e0 Priit Laes 2015-12-20 205 write_reg(par, MIPI_DCS_SET_COLUMN_ADDRESS,
c296d5f9957c03 Thomas Petazzoni 2014-12-31 @206 (xs >> 8) & 0xFF, xs & 0xFF, (xe >> 8) & 0xFF, xe & 0xFF);
c296d5f9957c03 Thomas Petazzoni 2014-12-31 207
a79cb3901ee3e0 Priit Laes 2015-12-20 208 write_reg(par, MIPI_DCS_SET_PAGE_ADDRESS,
c296d5f9957c03 Thomas Petazzoni 2014-12-31 209 (ys >> 8) & 0xFF, ys & 0xFF, (ye >> 8) & 0xFF, ye & 0xFF);
c296d5f9957c03 Thomas Petazzoni 2014-12-31 210
a79cb3901ee3e0 Priit Laes 2015-12-20 211 write_reg(par, MIPI_DCS_WRITE_MEMORY_START);
c296d5f9957c03 Thomas Petazzoni 2014-12-31 212 }
c296d5f9957c03 Thomas Petazzoni 2014-12-31 213
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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