* [pinctrl:devel 15/21] drivers/pinctrl/mediatek/pinctrl-mtk-common.c:137:12: warning: variable 'offset' is uninitialized when used here
@ 2021-05-28 3:55 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-05-28 3:55 UTC (permalink / raw)
To: Fabien Parent; +Cc: kbuild-all, clang-built-linux, linux-gpio, Linus Walleij
[-- Attachment #1: Type: text/plain, Size: 3770 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
head: 07d5136f9bf1fa6abe70a1f88b04c1216fbf87a2
commit: 9f940d8ecf921d2638b05da60eec0d25459be170 [15/21] pinctrl: mediatek: don't hardcode mode encoding in common code
config: arm-randconfig-r034-20210528 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 6505c630407c5feec818f0bb1c284f9eeebf2071)
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://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git/commit/?id=9f940d8ecf921d2638b05da60eec0d25459be170
git remote add pinctrl https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git
git fetch --no-tags pinctrl devel
git checkout 9f940d8ecf921d2638b05da60eec0d25459be170
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/pinctrl/mediatek/pinctrl-mtk-common.c:137:12: warning: variable 'offset' is uninitialized when used here [-Wuninitialized]
bit = BIT(offset & pctl->devdata->mode_mask);
^~~~~~
include/vdso/bits.h:7:30: note: expanded from macro 'BIT'
#define BIT(nr) (UL(1) << (nr))
^~
drivers/pinctrl/mediatek/pinctrl-mtk-common.c:111:31: note: initialize the variable 'offset' to silence this warning
unsigned int reg_addr, offset;
^
= 0
1 warning generated.
vim +/offset +137 drivers/pinctrl/mediatek/pinctrl-mtk-common.c
107
108 static int mtk_pconf_set_ies_smt(struct mtk_pinctrl *pctl, unsigned pin,
109 int value, enum pin_config_param arg)
110 {
111 unsigned int reg_addr, offset;
112 unsigned int bit;
113
114 /**
115 * Due to some soc are not support ies/smt config, add this special
116 * control to handle it.
117 */
118 if (!pctl->devdata->spec_ies_smt_set &&
119 pctl->devdata->ies_offset == MTK_PINCTRL_NOT_SUPPORT &&
120 arg == PIN_CONFIG_INPUT_ENABLE)
121 return -EINVAL;
122
123 if (!pctl->devdata->spec_ies_smt_set &&
124 pctl->devdata->smt_offset == MTK_PINCTRL_NOT_SUPPORT &&
125 arg == PIN_CONFIG_INPUT_SCHMITT_ENABLE)
126 return -EINVAL;
127
128 /*
129 * Due to some pins are irregular, their input enable and smt
130 * control register are discontinuous, so we need this special handle.
131 */
132 if (pctl->devdata->spec_ies_smt_set) {
133 return pctl->devdata->spec_ies_smt_set(mtk_get_regmap(pctl, pin),
134 pin, pctl->devdata->port_align, value, arg);
135 }
136
> 137 bit = BIT(offset & pctl->devdata->mode_mask);
138
139 if (arg == PIN_CONFIG_INPUT_ENABLE)
140 offset = pctl->devdata->ies_offset;
141 else
142 offset = pctl->devdata->smt_offset;
143
144 if (value)
145 reg_addr = SET_ADDR(mtk_get_port(pctl, pin) + offset, pctl);
146 else
147 reg_addr = CLR_ADDR(mtk_get_port(pctl, pin) + offset, pctl);
148
149 regmap_write(mtk_get_regmap(pctl, pin), reg_addr, bit);
150 return 0;
151 }
152
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 36672 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
* [pinctrl:devel 15/21] drivers/pinctrl/mediatek/pinctrl-mtk-common.c:137:12: warning: variable 'offset' is uninitialized when used here
@ 2021-05-28 3:55 ` kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-05-28 3:55 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 3859 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
head: 07d5136f9bf1fa6abe70a1f88b04c1216fbf87a2
commit: 9f940d8ecf921d2638b05da60eec0d25459be170 [15/21] pinctrl: mediatek: don't hardcode mode encoding in common code
config: arm-randconfig-r034-20210528 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 6505c630407c5feec818f0bb1c284f9eeebf2071)
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://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git/commit/?id=9f940d8ecf921d2638b05da60eec0d25459be170
git remote add pinctrl https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git
git fetch --no-tags pinctrl devel
git checkout 9f940d8ecf921d2638b05da60eec0d25459be170
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/pinctrl/mediatek/pinctrl-mtk-common.c:137:12: warning: variable 'offset' is uninitialized when used here [-Wuninitialized]
bit = BIT(offset & pctl->devdata->mode_mask);
^~~~~~
include/vdso/bits.h:7:30: note: expanded from macro 'BIT'
#define BIT(nr) (UL(1) << (nr))
^~
drivers/pinctrl/mediatek/pinctrl-mtk-common.c:111:31: note: initialize the variable 'offset' to silence this warning
unsigned int reg_addr, offset;
^
= 0
1 warning generated.
vim +/offset +137 drivers/pinctrl/mediatek/pinctrl-mtk-common.c
107
108 static int mtk_pconf_set_ies_smt(struct mtk_pinctrl *pctl, unsigned pin,
109 int value, enum pin_config_param arg)
110 {
111 unsigned int reg_addr, offset;
112 unsigned int bit;
113
114 /**
115 * Due to some soc are not support ies/smt config, add this special
116 * control to handle it.
117 */
118 if (!pctl->devdata->spec_ies_smt_set &&
119 pctl->devdata->ies_offset == MTK_PINCTRL_NOT_SUPPORT &&
120 arg == PIN_CONFIG_INPUT_ENABLE)
121 return -EINVAL;
122
123 if (!pctl->devdata->spec_ies_smt_set &&
124 pctl->devdata->smt_offset == MTK_PINCTRL_NOT_SUPPORT &&
125 arg == PIN_CONFIG_INPUT_SCHMITT_ENABLE)
126 return -EINVAL;
127
128 /*
129 * Due to some pins are irregular, their input enable and smt
130 * control register are discontinuous, so we need this special handle.
131 */
132 if (pctl->devdata->spec_ies_smt_set) {
133 return pctl->devdata->spec_ies_smt_set(mtk_get_regmap(pctl, pin),
134 pin, pctl->devdata->port_align, value, arg);
135 }
136
> 137 bit = BIT(offset & pctl->devdata->mode_mask);
138
139 if (arg == PIN_CONFIG_INPUT_ENABLE)
140 offset = pctl->devdata->ies_offset;
141 else
142 offset = pctl->devdata->smt_offset;
143
144 if (value)
145 reg_addr = SET_ADDR(mtk_get_port(pctl, pin) + offset, pctl);
146 else
147 reg_addr = CLR_ADDR(mtk_get_port(pctl, pin) + offset, pctl);
148
149 regmap_write(mtk_get_regmap(pctl, pin), reg_addr, bit);
150 return 0;
151 }
152
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 36672 bytes --]
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2021-05-28 3:55 [pinctrl:devel 15/21] drivers/pinctrl/mediatek/pinctrl-mtk-common.c:137:12: warning: variable 'offset' is uninitialized when used here kernel test robot
2021-05-28 3:55 ` kernel test robot
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