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Message-ID: <202409142143.iJkSYPUK-lkp@intel.com>
Date: Sat, 14 Sep 2024 21:26:26 +0800
From: kernel test robot <lkp@...el.com>
To: Christian Bruel <christian.bruel@...s.st.com>, vkoul@...nel.org,
kishon@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
conor+dt@...nel.org, mcoquelin.stm32@...il.com,
alexandre.torgue@...s.st.com, p.zabel@...gutronix.de
Cc: oe-kbuild-all@...ts.linux.dev, linux-phy@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
fabrice.gasnier@...s.st.com,
Christian Bruel <christian.bruel@...s.st.com>
Subject: Re: [PATCH v8 2/5] phy: stm32: Add support for STM32MP25 COMBOPHY.
Hi Christian,
kernel test robot noticed the following build errors:
[auto build test ERROR on atorgue-stm32/stm32-next]
[also build test ERROR on robh/for-next linus/master v6.11-rc7 next-20240913]
[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/Christian-Bruel/dt-bindings-phy-Add-STM32MP25-COMBOPHY-bindings/20240911-185452
base: https://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git stm32-next
patch link: https://lore.kernel.org/r/20240911104646.2980821-3-christian.bruel%40foss.st.com
patch subject: [PATCH v8 2/5] phy: stm32: Add support for STM32MP25 COMBOPHY.
config: um-randconfig-r132-20240914 (https://download.01.org/0day-ci/archive/20240914/202409142143.iJkSYPUK-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409142143.iJkSYPUK-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409142143.iJkSYPUK-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/phy/st/phy-stm32-combophy.c:12:
In file included from include/linux/phy/phy.h:17:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:25:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from drivers/phy/st/phy-stm32-combophy.c:12:
In file included from include/linux/phy/phy.h:17:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:25:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from drivers/phy/st/phy-stm32-combophy.c:12:
In file included from include/linux/phy/phy.h:17:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:25:
In file included from include/linux/kernel_stat.h:8:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
>> drivers/phy/st/phy-stm32-combophy.c:140:8: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
FIELD_PREP(STM32MP25_PCIEPRG_IMPCTRL_OHM, imp_of));
^
>> drivers/phy/st/phy-stm32-combophy.c:143:12: error: implicit declaration of function 'FIELD_GET' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
imp_of = FIELD_GET(STM32MP25_PCIEPRG_IMPCTRL_OHM, val);
^
drivers/phy/st/phy-stm32-combophy.c:161:8: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
FIELD_PREP(STM32MP25_PCIEPRG_IMPCTRL_VSWING, vswing_of));
^
drivers/phy/st/phy-stm32-combophy.c:530:10: warning: variable 'ret' is uninitialized when used here [-Wuninitialized]
return ret;
^~~
drivers/phy/st/phy-stm32-combophy.c:515:9: note: initialize the variable 'ret' to silence this warning
int ret, irq;
^
= 0
13 warnings and 3 errors generated.
vim +/FIELD_PREP +140 drivers/phy/st/phy-stm32-combophy.c
113
114 static int stm32_impedance_tune(struct stm32_combophy *combophy)
115 {
116 u8 imp_size = ARRAY_SIZE(imp_lookup);
117 u8 vswing_size = ARRAY_SIZE(imp_lookup[0].vswing);
118 u8 imp_of, vswing_of;
119 u32 max_imp = imp_lookup[0].microohm;
120 u32 min_imp = imp_lookup[imp_size - 1].microohm;
121 u32 max_vswing = imp_lookup[imp_size - 1].vswing[vswing_size - 1];
122 u32 min_vswing = imp_lookup[0].vswing[0];
123 u32 val;
124
125 if (!of_property_read_u32(combophy->dev->of_node, "st,output-micro-ohms", &val)) {
126 if (val < min_imp || val > max_imp) {
127 dev_err(combophy->dev, "Invalid value %u for output ohm\n", val);
128 return -EINVAL;
129 }
130
131 for (imp_of = 0; imp_of < ARRAY_SIZE(imp_lookup); imp_of++)
132 if (imp_lookup[imp_of].microohm <= val)
133 break;
134
135 dev_dbg(combophy->dev, "Set %u micro-ohms output impedance\n",
136 imp_lookup[imp_of].microohm);
137
138 regmap_update_bits(combophy->regmap, SYSCFG_PCIEPRGCR,
139 STM32MP25_PCIEPRG_IMPCTRL_OHM,
> 140 FIELD_PREP(STM32MP25_PCIEPRG_IMPCTRL_OHM, imp_of));
141 } else {
142 regmap_read(combophy->regmap, SYSCFG_PCIEPRGCR, &val);
> 143 imp_of = FIELD_GET(STM32MP25_PCIEPRG_IMPCTRL_OHM, val);
144 }
145
146 if (!of_property_read_u32(combophy->dev->of_node, "st,output-vswing-microvolt", &val)) {
147 if (val < min_vswing || val > max_vswing) {
148 dev_err(combophy->dev, "Invalid value %u for output vswing\n", val);
149 return -EINVAL;
150 }
151
152 for (vswing_of = 0; vswing_of < ARRAY_SIZE(imp_lookup[imp_of].vswing); vswing_of++)
153 if (imp_lookup[imp_of].vswing[vswing_of] >= val)
154 break;
155
156 dev_dbg(combophy->dev, "Set %u microvolt swing\n",
157 imp_lookup[imp_of].vswing[vswing_of]);
158
159 regmap_update_bits(combophy->regmap, SYSCFG_PCIEPRGCR,
160 STM32MP25_PCIEPRG_IMPCTRL_VSWING,
161 FIELD_PREP(STM32MP25_PCIEPRG_IMPCTRL_VSWING, vswing_of));
162 }
163
164 return 0;
165 }
166
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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