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SubjectRe: [v1] i2c: busses: i2c-designware-pcidrv:- Unmap region obtained by pcim_iomap_regions
Hi Arvind,

[auto build test WARNING on wsa/i2c/for-next]
[also build test WARNING on v4.9 next-20161223]
[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/Arvind-Yadav/i2c-busses-i2c-designware-pcidrv-Unmap-region-obtained-by-pcim_iomap_regions/20161223-185314
base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
config: x86_64-randconfig-x007-201651 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

drivers/i2c/busses/i2c-designware-pcidrv.c: In function 'i2c_dw_pci_probe':
>> drivers/i2c/busses/i2c-designware-pcidrv.c:285:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^

vim +285 drivers/i2c/busses/i2c-designware-pcidrv.c

fe20ff5c Dirk Brandewie 2011-10-06 269 adap->class = 0;
8eb5c87a Dustin Byford 2015-10-23 270 ACPI_COMPANION_SET(&adap->dev, ACPI_COMPANION(&pdev->dev));
fe20ff5c Dirk Brandewie 2011-10-06 271 adap->nr = controller->bus_num;
089c729a Mika Westerberg 2014-02-19 272
d80d1341 Jarkko Nikula 2015-10-12 273 r = i2c_dw_probe(dev);
d80d1341 Jarkko Nikula 2015-10-12 274 if (r)
5c99d5d6 Arvind Yadav 2016-12-23 275 goto error;
fe20ff5c Dirk Brandewie 2011-10-06 276
43452335 Mika Westerberg 2013-04-10 277 pm_runtime_set_autosuspend_delay(&pdev->dev, 1000);
43452335 Mika Westerberg 2013-04-10 278 pm_runtime_use_autosuspend(&pdev->dev);
be58eda7 Mika Westerberg 2014-02-04 279 pm_runtime_put_autosuspend(&pdev->dev);
18dbdda8 Dirk Brandewie 2011-10-06 280 pm_runtime_allow(&pdev->dev);
18dbdda8 Dirk Brandewie 2011-10-06 281
fe20ff5c Dirk Brandewie 2011-10-06 282 return 0;
5c99d5d6 Arvind Yadav 2016-12-23 283 error:
5c99d5d6 Arvind Yadav 2016-12-23 284 pcim_iounmap_regions(pdev, 1 << 0);
fe20ff5c Dirk Brandewie 2011-10-06 @285 }
fe20ff5c Dirk Brandewie 2011-10-06 286
0b255e92 Bill Pemberton 2012-11-27 287 static void i2c_dw_pci_remove(struct pci_dev *pdev)
fe20ff5c Dirk Brandewie 2011-10-06 288 {
fe20ff5c Dirk Brandewie 2011-10-06 289 struct dw_i2c_dev *dev = pci_get_drvdata(pdev);
fe20ff5c Dirk Brandewie 2011-10-06 290
18dbdda8 Dirk Brandewie 2011-10-06 291 i2c_dw_disable(dev);
18dbdda8 Dirk Brandewie 2011-10-06 292 pm_runtime_forbid(&pdev->dev);
18dbdda8 Dirk Brandewie 2011-10-06 293 pm_runtime_get_noresume(&pdev->dev);

:::::: The code at line 285 was first introduced by commit
:::::: fe20ff5c7e9ca7f5369aacc7d7ca3efeda3b90fe i2c-designware: Add support for Designware core behind PCI devices.

:::::: TO: Dirk Brandewie <dirk.brandewie@gmail.com>
:::::: CC: Ben Dooks <ben-linux@fluff.org>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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