Re: [PATCH v1 12/16] rtc: mediatek: cleanup header files to include

From: kbuild test robot
Date: Sun Mar 25 2018 - 01:23:07 EST

Hi Sean,

I love your patch! Yet something to improve:

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on v4.16-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/sean-wang-mediatek-com/Add-support-to-MT6323-RTC-and-its-power-device/20180325-104529
base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
config: tile-allmodconfig (attached as .config)
compiler: tilegx-linux-gcc (GCC) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=tile

All errors (new ones prefixed by >>):

drivers//rtc/rtc-mt6397.c: In function 'mtk_rtc_probe':
>> drivers//rtc/rtc-mt6397.c:270:13: error: implicit declaration of function 'irq_create_mapping'; did you mean 'page_mapping'? [-Werror=implicit-function-declaration]
rtc->irq = irq_create_mapping(mt6397_chip->irq_domain, res->start);
^~~~~~~~~~~~~~~~~~
page_mapping
cc1: some warnings being treated as errors

vim +270 drivers//rtc/rtc-mt6397.c

fc2979118 Tianping Fang 2015-05-06 254
fc2979118 Tianping Fang 2015-05-06 255 static int mtk_rtc_probe(struct platform_device *pdev)
fc2979118 Tianping Fang 2015-05-06 256 {
fc2979118 Tianping Fang 2015-05-06 257 struct resource *res;
fc2979118 Tianping Fang 2015-05-06 258 struct mt6397_chip *mt6397_chip = dev_get_drvdata(pdev->dev.parent);
fc2979118 Tianping Fang 2015-05-06 259 struct mt6397_rtc *rtc;
fc2979118 Tianping Fang 2015-05-06 260 int ret;
fc2979118 Tianping Fang 2015-05-06 261
fc2979118 Tianping Fang 2015-05-06 262 rtc = devm_kzalloc(&pdev->dev, sizeof(struct mt6397_rtc), GFP_KERNEL);
fc2979118 Tianping Fang 2015-05-06 263 if (!rtc)
fc2979118 Tianping Fang 2015-05-06 264 return -ENOMEM;
fc2979118 Tianping Fang 2015-05-06 265
fc2979118 Tianping Fang 2015-05-06 266 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
fc2979118 Tianping Fang 2015-05-06 267 rtc->addr_base = res->start;
fc2979118 Tianping Fang 2015-05-06 268
fc2979118 Tianping Fang 2015-05-06 269 res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
fc2979118 Tianping Fang 2015-05-06 @270 rtc->irq = irq_create_mapping(mt6397_chip->irq_domain, res->start);
fc2979118 Tianping Fang 2015-05-06 271 if (rtc->irq <= 0)
fc2979118 Tianping Fang 2015-05-06 272 return -EINVAL;
fc2979118 Tianping Fang 2015-05-06 273
fc2979118 Tianping Fang 2015-05-06 274 rtc->regmap = mt6397_chip->regmap;
fc2979118 Tianping Fang 2015-05-06 275 rtc->dev = &pdev->dev;
fc2979118 Tianping Fang 2015-05-06 276 mutex_init(&rtc->lock);
fc2979118 Tianping Fang 2015-05-06 277
fc2979118 Tianping Fang 2015-05-06 278 platform_set_drvdata(pdev, rtc);
fc2979118 Tianping Fang 2015-05-06 279
66c231b40 Sean Wang 2018-03-23 280 ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
fc2979118 Tianping Fang 2015-05-06 281 mtk_rtc_irq_handler_thread,
fc2979118 Tianping Fang 2015-05-06 282 IRQF_ONESHOT | IRQF_TRIGGER_HIGH,
fc2979118 Tianping Fang 2015-05-06 283 "mt6397-rtc", rtc);
fc2979118 Tianping Fang 2015-05-06 284 if (ret) {
fc2979118 Tianping Fang 2015-05-06 285 dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
fc2979118 Tianping Fang 2015-05-06 286 rtc->irq, ret);
63044753b Sean Wang 2018-03-23 287 return ret;
fc2979118 Tianping Fang 2015-05-06 288 }
fc2979118 Tianping Fang 2015-05-06 289
baeca4495 Wei-Ning Huang 2015-07-02 290 device_init_wakeup(&pdev->dev, 1);
baeca4495 Wei-Ning Huang 2015-07-02 291
66c231b40 Sean Wang 2018-03-23 292 rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, "mt6397-rtc",
fc2979118 Tianping Fang 2015-05-06 293 &mtk_rtc_ops, THIS_MODULE);
fc2979118 Tianping Fang 2015-05-06 294 if (IS_ERR(rtc->rtc_dev)) {
fc2979118 Tianping Fang 2015-05-06 295 dev_err(&pdev->dev, "register rtc device failed\n");
fc2979118 Tianping Fang 2015-05-06 296 ret = PTR_ERR(rtc->rtc_dev);
fc2979118 Tianping Fang 2015-05-06 297 return ret;
fc2979118 Tianping Fang 2015-05-06 298 }
fc2979118 Tianping Fang 2015-05-06 299
89a68f3c0 Sean Wang 2018-03-23 300 return devm_of_platform_populate(&pdev->dev);
fc2979118 Tianping Fang 2015-05-06 301 }
fc2979118 Tianping Fang 2015-05-06 302

:::::: The code at line 270 was first introduced by commit
:::::: fc2979118f3f5193475cb53d5df7bdaa7e358a42 rtc: mediatek: Add MT6397 RTC driver

:::::: TO: Tianping Fang <tianping.fang@xxxxxxxxxxxx>
:::::: CC: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>

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