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Message-ID: <201601050310.g8dRfxpW%fengguang.wu@intel.com>
Date: Tue, 5 Jan 2016 04:02:33 +0800
From: kbuild test robot <lkp@...el.com>
To: Chen Feng <puck.chen@...ilicon.com>
Cc: kbuild-all@...org, lee.jones@...aro.org, lgirdwood@...il.com,
broonie@...nel.org, linux-kernel@...r.kernel.org,
puck.chen@...ilicon.com, yudongbin@...ilicon.com,
saberlily.xia@...ilicon.com, suzhuangluan@...ilicon.com,
kong.kongxinwei@...ilicon.com, xuyiping@...ilicon.com,
z.liuxinliang@...ilicon.com, puck.chenfeng@...il.com,
weidong2@...ilicon.com, w.f@...wei.com, qijiwen@...ilicon.com,
peter.panshilin@...ilicon.com, dan.zhao@...ilicon.com,
linuxarm@...wei.com, liguozhu@...ilicon.com,
shimingxing@...ilicon.com, albert.lubing@...ilicon.com,
oliver.fu@...ilicon.com, haojian.zhuang@...aro.org
Subject: Re: [PATCH v4 3/5] mfd: hi655x: Add hi665x pmic driver
Hi Chen,
[auto build test WARNING on v4.4-rc8]
[also build test WARNING on next-20160104]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Chen-Feng/Add-Support-for-Hi6220-PMIC-Hi6553-MFD-Core/20160104-203635
config: parisc-allmodconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=parisc
All warnings (new ones prefixed by >>):
In file included from include/linux/platform_device.h:14:0,
from drivers/mfd/hi655x-pmic.c:19:
include/linux/device.h:1329:1: warning: data definition has no type or storage class
module_init(__driver##_init); \
^
include/linux/platform_device.h:222:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^
>> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(hi655x_pmic_driver);
^
include/linux/device.h:1329:1: error: type defaults to 'int' in declaration of 'module_init' [-Werror=implicit-int]
module_init(__driver##_init); \
^
include/linux/platform_device.h:222:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^
>> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(hi655x_pmic_driver);
^
drivers/mfd/hi655x-pmic.c:156:1: warning: parameter names (without types) in function declaration
In file included from include/linux/platform_device.h:14:0,
from drivers/mfd/hi655x-pmic.c:19:
include/linux/device.h:1334:1: warning: data definition has no type or storage class
module_exit(__driver##_exit);
^
include/linux/platform_device.h:222:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^
>> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(hi655x_pmic_driver);
^
include/linux/device.h:1334:1: error: type defaults to 'int' in declaration of 'module_exit' [-Werror=implicit-int]
module_exit(__driver##_exit);
^
include/linux/platform_device.h:222:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^
>> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(hi655x_pmic_driver);
^
drivers/mfd/hi655x-pmic.c:156:1: warning: parameter names (without types) in function declaration
drivers/mfd/hi655x-pmic.c:158:15: error: expected declaration specifiers or '...' before string constant
MODULE_AUTHOR("Chen Feng <puck.chen@...ilicon.com>");
^
drivers/mfd/hi655x-pmic.c:159:20: error: expected declaration specifiers or '...' before string constant
MODULE_DESCRIPTION("Hisi hi655x pmic driver");
^
drivers/mfd/hi655x-pmic.c:160:16: error: expected declaration specifiers or '...' before string constant
MODULE_LICENSE("GPL v2");
^
In file included from include/linux/platform_device.h:14:0,
from drivers/mfd/hi655x-pmic.c:19:
drivers/mfd/hi655x-pmic.c:156:24: warning: 'hi655x_pmic_driver_init' defined but not used [-Wunused-function]
module_platform_driver(hi655x_pmic_driver);
^
include/linux/device.h:1325:19: note: in definition of macro 'module_driver'
static int __init __driver##_init(void) \
^
>> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(hi655x_pmic_driver);
^
drivers/mfd/hi655x-pmic.c:156:24: warning: 'hi655x_pmic_driver_exit' defined but not used [-Wunused-function]
module_platform_driver(hi655x_pmic_driver);
^
include/linux/device.h:1330:20: note: in definition of macro 'module_driver'
static void __exit __driver##_exit(void) \
^
>> drivers/mfd/hi655x-pmic.c:156:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(hi655x_pmic_driver);
^
cc1: some warnings being treated as errors
vim +/module_platform_driver +156 drivers/mfd/hi655x-pmic.c
13
14 #include <linux/io.h>
15 #include <linux/interrupt.h>
16 #include <linux/init.h>
17 #include <linux/gpio.h>
18 #include <linux/of_gpio.h>
> 19 #include <linux/platform_device.h>
20 #include <linux/of_platform.h>
21 #include <linux/mfd/hi655x-pmic.h>
22 #include <linux/regmap.h>
23
24 static const struct of_device_id of_hi655x_pmic_child_match_tbl[] = {
25 { .compatible = "hisilicon,hi655x-regulator", },
26 {},
27 };
28
29 static const struct of_device_id of_hi655x_pmic_match_tbl[] = {
30 { .compatible = "hisilicon,hi655x-pmic", },
31 {},
32 };
33
34 static const struct regmap_irq hi655x_irqs[] = {
35 { .reg_offset = 0, .mask = OTMP_D1R_INT },
36 { .reg_offset = 0, .mask = VSYS_2P5_R_INT },
37 { .reg_offset = 0, .mask = VSYS_UV_D3R_INT },
38 { .reg_offset = 0, .mask = VSYS_6P0_D200UR_INT },
39 { .reg_offset = 0, .mask = PWRON_D4SR_INT },
40 { .reg_offset = 0, .mask = PWRON_D20F_INT },
41 { .reg_offset = 0, .mask = PWRON_D20R_INT },
42 { .reg_offset = 0, .mask = RESERVE_INT },
43 };
44
45 static const struct regmap_irq_chip hi655x_irq_chip = {
46 .name = "hi655x-pmic",
47 .irqs = hi655x_irqs,
48 .num_regs = 1,
49 .num_irqs = ARRAY_SIZE(hi655x_irqs),
50 .status_base = HI655X_IRQ_STAT_BASE,
51 .mask_base = HI655X_IRQ_MASK_BASE,
52 };
53
54 static unsigned int hi655x_pmic_get_version(struct hi655x_pmic *pmic)
55 {
56 u32 val;
57
58 regmap_read(pmic->regmap,
59 HI655X_BUS_ADDR(HI655X_VER_REG), &val);
60
61 return val;
62 }
63
64 static struct regmap_config hi655x_regmap_config = {
65 .reg_bits = 32,
66 .reg_stride = HI655X_STRIDE,
67 .val_bits = 8,
68 .max_register = HI655X_BUS_ADDR(0xFFF),
69 };
70
71 static void hi655x_local_irq_clear(struct regmap *map)
72 {
73 int i;
74
75 regmap_write(map, HI655X_ANA_IRQM_BASE, HI655X_IRQ_CLR);
76 for (i = 0; i < HI655X_IRQ_ARRAY; i++) {
77 regmap_write(map, HI655X_IRQ_STAT_BASE + i * HI655X_STRIDE,
78 HI655X_IRQ_CLR);
79 }
80 }
81
82 static int hi655x_pmic_probe(struct platform_device *pdev)
83 {
84 int ret;
85 struct hi655x_pmic *pmic;
86 struct device *dev = &pdev->dev;
87 struct device_node *np = dev->of_node;
88 void __iomem *base;
89
90 pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL);
91 pmic->dev = dev;
92
93 pmic->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
94 if (!pmic->res) {
95 dev_err(dev, "platform_get_resource err\n");
96 return -ENOENT;
97 }
98 base = devm_ioremap_resource(dev, pmic->res);
99 if (!base) {
100 dev_err(dev, "cannot map register memory\n");
101 return -ENOMEM;
102 }
103 pmic->regmap = devm_regmap_init_mmio_clk(dev, NULL, base,
104 &hi655x_regmap_config);
105
106 pmic->ver = hi655x_pmic_get_version(pmic);
107 if ((pmic->ver < PMU_VER_START) || (pmic->ver > PMU_VER_END)) {
108 dev_warn(dev, "it is wrong pmu version\n");
109 return -EINVAL;
110 }
111
112 hi655x_local_irq_clear(pmic->regmap);
113
114 pmic->gpio = of_get_named_gpio(np, "pmic-gpios", 0);
115 if (!gpio_is_valid(pmic->gpio)) {
116 dev_err(dev, "cannot get the pmic-gpios\n");
117 return -ENODEV;
118 }
119
120 ret = devm_gpio_request_one(dev, pmic->gpio, GPIOF_IN, "hi655x_pmic_irq");
121 if (ret < 0) {
122 dev_err(dev, "failed to request gpio %d ret = %d\n",
123 pmic->gpio, ret);
124 return ret;
125 }
126
127 ret = regmap_add_irq_chip(pmic->regmap, gpio_to_irq(pmic->gpio),
128 IRQF_TRIGGER_LOW | IRQF_NO_SUSPEND, 0,
129 &hi655x_irq_chip, &pmic->irq_data);
130 if (ret) {
131 dev_err(dev, "add pmic irq chip error! ret %d\n", ret);
132 return ret;
133 }
134
135 /* bind pmic to device */
136 platform_set_drvdata(pdev, pmic);
137
138 /* populate sub nodes */
139 ret = of_platform_populate(np, of_hi655x_pmic_child_match_tbl,
140 NULL, dev);
141 if (ret) {
142 regmap_del_irq_chip(pmic->irq, pmic->irq_data);
143 return ret;
144 }
145
146 return 0;
147 }
148
149 static struct platform_driver hi655x_pmic_driver = {
150 .driver = {
151 .name = "hi655x-pmic",
152 .of_match_table = of_hi655x_pmic_match_tbl,
153 },
154 .probe = hi655x_pmic_probe,
155 };
> 156 module_platform_driver(hi655x_pmic_driver);
157
158 MODULE_AUTHOR("Chen Feng <puck.chen@...ilicon.com>");
159 MODULE_DESCRIPTION("Hisi hi655x pmic driver");
---
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