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Date: Tue, 25 May 2021 22:45:51 +0800
From: kernel test robot <lkp@...el.com>
To: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
Matti Vaittinen <mazziesaccount@...il.com>
Cc: kbuild-all@...ts.01.org, Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Michael Walle <michael@...le.cc>, linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-power@...rohmeurope.com
Subject: Re: [PATCH v3 1/3] gpio: regmap: Support few IC specific operations
Hi Matti,
I love your patch! Yet something to improve:
[auto build test ERROR on c4681547bcce777daf576925a966ffa824edd09d]
url: https://github.com/0day-ci/linux/commits/Matti-Vaittinen/gpio-gpio-regmap-Support-few-custom-operations/20210525-204554
base: c4681547bcce777daf576925a966ffa824edd09d
config: powerpc-randconfig-s031-20210525 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
# https://github.com/0day-ci/linux/commit/fac1c3d2b667e599ee2e3bba357847f9a35f43c7
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Matti-Vaittinen/gpio-gpio-regmap-Support-few-custom-operations/20210525-204554
git checkout fac1c3d2b667e599ee2e3bba357847f9a35f43c7
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/gpio/gpio-sl28cpld.c: In function 'sl28cpld_gpio_probe':
>> drivers/gpio/gpio-sl28cpld.c:139:25: error: too few arguments to function 'devm_gpio_regmap_register'
139 | return PTR_ERR_OR_ZERO(devm_gpio_regmap_register(&pdev->dev, &config));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpio/gpio-sl28cpld.c:10:
include/linux/gpio/regmap.h:105:21: note: declared here
105 | struct gpio_regmap *devm_gpio_regmap_register(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpio/gpio-sl28cpld.c:140:1: error: control reaches end of non-void function [-Werror=return-type]
140 | }
| ^
cc1: some warnings being treated as errors
vim +/devm_gpio_regmap_register +139 drivers/gpio/gpio-sl28cpld.c
b7536d8749e549 Michael Walle 2020-09-14 88
b7536d8749e549 Michael Walle 2020-09-14 89 static int sl28cpld_gpio_probe(struct platform_device *pdev)
b7536d8749e549 Michael Walle 2020-09-14 90 {
b7536d8749e549 Michael Walle 2020-09-14 91 struct gpio_regmap_config config = {0};
b7536d8749e549 Michael Walle 2020-09-14 92 enum sl28cpld_gpio_type type;
b7536d8749e549 Michael Walle 2020-09-14 93 struct regmap *regmap;
b7536d8749e549 Michael Walle 2020-09-14 94 u32 base;
b7536d8749e549 Michael Walle 2020-09-14 95 int ret;
b7536d8749e549 Michael Walle 2020-09-14 96
b7536d8749e549 Michael Walle 2020-09-14 97 if (!pdev->dev.parent)
b7536d8749e549 Michael Walle 2020-09-14 98 return -ENODEV;
b7536d8749e549 Michael Walle 2020-09-14 99
b7536d8749e549 Michael Walle 2020-09-14 100 type = (uintptr_t)device_get_match_data(&pdev->dev);
b7536d8749e549 Michael Walle 2020-09-14 101 if (!type)
b7536d8749e549 Michael Walle 2020-09-14 102 return -ENODEV;
b7536d8749e549 Michael Walle 2020-09-14 103
b7536d8749e549 Michael Walle 2020-09-14 104 ret = device_property_read_u32(&pdev->dev, "reg", &base);
b7536d8749e549 Michael Walle 2020-09-14 105 if (ret)
b7536d8749e549 Michael Walle 2020-09-14 106 return -EINVAL;
b7536d8749e549 Michael Walle 2020-09-14 107
b7536d8749e549 Michael Walle 2020-09-14 108 regmap = dev_get_regmap(pdev->dev.parent, NULL);
b7536d8749e549 Michael Walle 2020-09-14 109 if (!regmap)
b7536d8749e549 Michael Walle 2020-09-14 110 return -ENODEV;
b7536d8749e549 Michael Walle 2020-09-14 111
b7536d8749e549 Michael Walle 2020-09-14 112 config.regmap = regmap;
b7536d8749e549 Michael Walle 2020-09-14 113 config.parent = &pdev->dev;
b7536d8749e549 Michael Walle 2020-09-14 114 config.ngpio = 8;
b7536d8749e549 Michael Walle 2020-09-14 115
b7536d8749e549 Michael Walle 2020-09-14 116 switch (type) {
b7536d8749e549 Michael Walle 2020-09-14 117 case SL28CPLD_GPIO:
b7536d8749e549 Michael Walle 2020-09-14 118 config.reg_dat_base = base + GPIO_REG_IN;
b7536d8749e549 Michael Walle 2020-09-14 119 config.reg_set_base = base + GPIO_REG_OUT;
b7536d8749e549 Michael Walle 2020-09-14 120 /* reg_dir_out_base might be zero */
b7536d8749e549 Michael Walle 2020-09-14 121 config.reg_dir_out_base = GPIO_REGMAP_ADDR(base + GPIO_REG_DIR);
b7536d8749e549 Michael Walle 2020-09-14 122
b7536d8749e549 Michael Walle 2020-09-14 123 /* This type supports interrupts */
b7536d8749e549 Michael Walle 2020-09-14 124 ret = sl28cpld_gpio_irq_init(pdev, base, &config);
b7536d8749e549 Michael Walle 2020-09-14 125 if (ret)
b7536d8749e549 Michael Walle 2020-09-14 126 return ret;
b7536d8749e549 Michael Walle 2020-09-14 127 break;
b7536d8749e549 Michael Walle 2020-09-14 128 case SL28CPLD_GPO:
b7536d8749e549 Michael Walle 2020-09-14 129 config.reg_set_base = base + GPO_REG_OUT;
b7536d8749e549 Michael Walle 2020-09-14 130 break;
b7536d8749e549 Michael Walle 2020-09-14 131 case SL28CPLD_GPI:
b7536d8749e549 Michael Walle 2020-09-14 132 config.reg_dat_base = base + GPI_REG_IN;
b7536d8749e549 Michael Walle 2020-09-14 133 break;
b7536d8749e549 Michael Walle 2020-09-14 134 default:
b7536d8749e549 Michael Walle 2020-09-14 135 dev_err(&pdev->dev, "unknown type %d\n", type);
b7536d8749e549 Michael Walle 2020-09-14 136 return -ENODEV;
b7536d8749e549 Michael Walle 2020-09-14 137 }
b7536d8749e549 Michael Walle 2020-09-14 138
b7536d8749e549 Michael Walle 2020-09-14 @139 return PTR_ERR_OR_ZERO(devm_gpio_regmap_register(&pdev->dev, &config));
b7536d8749e549 Michael Walle 2020-09-14 140 }
b7536d8749e549 Michael Walle 2020-09-14 141
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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