From: kernel test robot <lkp@intel.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-arm-kernel@lists.infradead.org, arm@kernel.org,
Arnd Bergmann <arnd@arndb.de>
Subject: [soc:soc/arm 14/16] drivers/input/touchscreen/ads7846.c:1126:17: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'const void *'
Date: Sat, 10 Jun 2023 04:09:18 +0800 [thread overview]
Message-ID: <202306100442.jStknDT1-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git soc/arm
head: 9a0e0c5957ff37147253796fbf5dfd68b307af58
commit: 8f7913c04f6a7b90bcf998ece17395d7090f6d44 [14/16] Input: ads7846 - Fix usage of match data
config: s390-buildonly-randconfig-r002-20230608 (https://download.01.org/0day-ci/archive/20230610/202306100442.jStknDT1-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build):
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git/commit/?id=8f7913c04f6a7b90bcf998ece17395d7090f6d44
git remote add soc https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git
git fetch --no-tags soc soc/arm
git checkout 8f7913c04f6a7b90bcf998ece17395d7090f6d44
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/input/touchscreen/
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/202306100442.jStknDT1-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/input/touchscreen/ads7846.c:29:
In file included from include/linux/spi/spi.h:15:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
| ^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
| ^
In file included from drivers/input/touchscreen/ads7846.c:29:
In file included from include/linux/spi/spi.h:15:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
| ^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
| ^
In file included from drivers/input/touchscreen/ads7846.c:29:
In file included from include/linux/spi/spi.h:15:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
692 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
700 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
708 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
717 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
726 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> drivers/input/touchscreen/ads7846.c:1126:17: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'const void *' [-Wvoid-pointer-to-int-cast]
1126 | pdata->model = (u32)device_get_match_data(dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
13 warnings generated.
vim +1126 drivers/input/touchscreen/ads7846.c
1116
1117 static const struct ads7846_platform_data *ads7846_get_props(struct device *dev)
1118 {
1119 struct ads7846_platform_data *pdata;
1120 u32 value;
1121
1122 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1123 if (!pdata)
1124 return ERR_PTR(-ENOMEM);
1125
> 1126 pdata->model = (u32)device_get_match_data(dev);
1127
1128 device_property_read_u16(dev, "ti,vref-delay-usecs",
1129 &pdata->vref_delay_usecs);
1130 device_property_read_u16(dev, "ti,vref-mv", &pdata->vref_mv);
1131 pdata->keep_vref_on = device_property_read_bool(dev, "ti,keep-vref-on");
1132
1133 pdata->swap_xy = device_property_read_bool(dev, "ti,swap-xy");
1134
1135 device_property_read_u16(dev, "ti,settle-delay-usec",
1136 &pdata->settle_delay_usecs);
1137 device_property_read_u16(dev, "ti,penirq-recheck-delay-usecs",
1138 &pdata->penirq_recheck_delay_usecs);
1139
1140 device_property_read_u16(dev, "ti,x-plate-ohms", &pdata->x_plate_ohms);
1141 device_property_read_u16(dev, "ti,y-plate-ohms", &pdata->y_plate_ohms);
1142
1143 device_property_read_u16(dev, "ti,x-min", &pdata->x_min);
1144 device_property_read_u16(dev, "ti,y-min", &pdata->y_min);
1145 device_property_read_u16(dev, "ti,x-max", &pdata->x_max);
1146 device_property_read_u16(dev, "ti,y-max", &pdata->y_max);
1147
1148 /*
1149 * touchscreen-max-pressure gets parsed during
1150 * touchscreen_parse_properties()
1151 */
1152 device_property_read_u16(dev, "ti,pressure-min", &pdata->pressure_min);
1153 if (!device_property_read_u32(dev, "touchscreen-min-pressure", &value))
1154 pdata->pressure_min = (u16) value;
1155 device_property_read_u16(dev, "ti,pressure-max", &pdata->pressure_max);
1156
1157 device_property_read_u16(dev, "ti,debounce-max", &pdata->debounce_max);
1158 if (!device_property_read_u32(dev, "touchscreen-average-samples", &value))
1159 pdata->debounce_max = (u16) value;
1160 device_property_read_u16(dev, "ti,debounce-tol", &pdata->debounce_tol);
1161 device_property_read_u16(dev, "ti,debounce-rep", &pdata->debounce_rep);
1162
1163 device_property_read_u32(dev, "ti,pendown-gpio-debounce",
1164 &pdata->gpio_pendown_debounce);
1165
1166 pdata->wakeup = device_property_read_bool(dev, "wakeup-source") ||
1167 device_property_read_bool(dev, "linux,wakeup");
1168
1169 return pdata;
1170 }
1171
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2023-06-09 20:09 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202306100442.jStknDT1-lkp@intel.com \
--to=lkp@intel.com \
--cc=arm@kernel.org \
--cc=arnd@arndb.de \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=llvm@lists.linux.dev \
--cc=oe-kbuild-all@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).