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List: dri-devel
Subject: Re: [PATCH 9/9] drm/bridge: imx: Add i.MX93 MIPI DSI support
From: kernel test robot <lkp () intel ! com>
Date: 2023-07-19 1:10:30
Message-ID: 202307190811.jOcroxF5-lkp () intel ! com
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Hi Liu,
kernel test robot noticed the following build errors:
[auto build test ERROR on drm-exynos/exynos-drm-next]
[also build test ERROR on drm-intel/for-linux-next drm-intel/for-linux-next-fixes \
drm-tip/drm-tip linus/master v6.5-rc2 next-20230718] [cannot apply to \
drm-misc/drm-misc-next drm/drm-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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Liu-Ying/drm-bridge-synopsys-dw-mipi-dsi-Add-dw_mipi_dsi_get_bridge-helper/20230718-172247
base: https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git \
exynos-drm-next patch link: \
https://lore.kernel.org/r/20230717061831.1826878-10-victor.liu%40nxp.com patch \
subject: [PATCH 9/9] drm/bridge: imx: Add i.MX93 MIPI DSI support
config: arm-allmodconfig \
(https://download.01.org/0day-ci/archive/20230719/202307190811.jOcroxF5-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230719/202307190811.jOcroxF5-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202307190811.jOcroxF5-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from arch/arm/include/asm/div64.h:107,
from include/linux/math.h:6,
from include/linux/kernel.h:26,
from include/linux/clk.h:13,
from drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c:9:
drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c: In function \
'dphy_pll_get_configure_from_opts': include/asm-generic/div64.h:222:35: warning: \
comparison of distinct pointer types lacks a cast 222 | (void)(((typeof((n)) \
*)0) == ((uint64_t *)0)); \ | ^~
drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c:272:17: note: in expansion of macro \
'do_div' 272 | do_div(tmp, n * fvco_div);
| ^~~~~~
In file included from include/linux/build_bug.h:5,
from include/linux/bitfield.h:10,
from drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c:7:
> > include/asm-generic/div64.h:234:32: warning: right shift count >= width of type \
> > [-Wshift-count-overflow]
234 | } else if (likely(((n) >> 32) == 0)) { \
| ^~
include/linux/compiler.h:76:45: note: in definition of macro 'likely'
76 | # define likely(x) __builtin_expect(!!(x), 1)
| ^
drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c:272:17: note: in expansion of macro \
'do_div' 272 | do_div(tmp, n * fvco_div);
| ^~~~~~
> > include/asm-generic/div64.h:238:36: error: passing argument 1 of '__div64_32' \
> > from incompatible pointer type [-Werror=incompatible-pointer-types]
238 | __rem = __div64_32(&(n), __base); \
| ^~~~
| |
| long unsigned int *
drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c:272:17: note: in expansion of macro \
'do_div' 272 | do_div(tmp, n * fvco_div);
| ^~~~~~
arch/arm/include/asm/div64.h:24:45: note: expected 'uint64_t *' {aka 'long long \
unsigned int *'} but argument is of type 'long unsigned int *' 24 | static inline \
uint32_t __div64_32(uint64_t *n, uint32_t base) | \
~~~~~~~~~~^ cc1: some warnings being treated as errors
vim +/__div64_32 +238 include/asm-generic/div64.h
^1da177e4c3f41 Linus Torvalds 2005-04-16 215
^1da177e4c3f41 Linus Torvalds 2005-04-16 216 /* The unnecessary pointer compare \
is there ^1da177e4c3f41 Linus Torvalds 2005-04-16 217 * to check for type \
safety (n must be 64bit) ^1da177e4c3f41 Linus Torvalds 2005-04-16 218 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 219 # define do_div(n,base) ({ \
^1da177e4c3f41 Linus Torvalds 2005-04-16 220 uint32_t __base = (base); \
^1da177e4c3f41 Linus Torvalds 2005-04-16 221 uint32_t __rem; \
^1da177e4c3f41 Linus Torvalds 2005-04-16 222 (void)(((typeof((n)) *)0) == \
((uint64_t *)0)); \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 223 if \
(__builtin_constant_p(__base) && \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 224 \
is_power_of_2(__base)) { \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 225 \
__rem = (n) & (__base - 1); \ 911918aa7ef6f8 Nicolas Pitre 2015-11-02 226 \
(n) >>= ilog2(__base); \ c747ce4706190e Geert Uytterhoeven 2021-08-11 227 } else \
if (__builtin_constant_p(__base) && \ 461a5e51060c93 Nicolas Pitre 2015-10-30 \
228 __base != 0) { \ 461a5e51060c93 Nicolas Pitre 2015-10-30 229 \
uint32_t __res_lo, __n_lo = (n); \ 461a5e51060c93 Nicolas Pitre 2015-10-30 230 \
(n) = __div64_const32(n, __base); \ 461a5e51060c93 Nicolas Pitre 2015-10-30 231 \
/* the remainder can be computed with 32-bit regs */ \ 461a5e51060c93 Nicolas Pitre \
2015-10-30 232 __res_lo = (n); \ 461a5e51060c93 Nicolas Pitre 2015-10-30 \
233 __rem = __n_lo - __res_lo * __base; \ 911918aa7ef6f8 Nicolas Pitre \
2015-11-02 @234 } else if (likely(((n) >> 32) == 0)) { \ ^1da177e4c3f41 Linus \
Torvalds 2005-04-16 235 __rem = (uint32_t)(n) % __base; \ ^1da177e4c3f41 \
Linus Torvalds 2005-04-16 236 (n) = (uint32_t)(n) / __base; \ c747ce4706190e \
Geert Uytterhoeven 2021-08-11 237 } else { \ ^1da177e4c3f41 Linus Torvalds \
2005-04-16 @238 __rem = __div64_32(&(n), __base); \ c747ce4706190e Geert \
Uytterhoeven 2021-08-11 239 } \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 \
240 __rem; \ ^1da177e4c3f41 Linus Torvalds 2005-04-16 241 })
^1da177e4c3f41 Linus Torvalds 2005-04-16 242
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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