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usb: cdns3: imx: mark cdns_imx_system_resume as __maybe_unused

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The function cdns_imx_system_resume() may have no callers depending
on configuration, so it must be marked __maybe_unused to avoid
harmless warning:

drivers/usb/cdns3/cdns3-imx.c:378:12: warning:
 'cdns_imx_system_resume' defined but not used [-Wunused-function]
  378 | static int cdns_imx_system_resume(struct device *dev)
      |            ^~~~~~~~~~~~~~~~~~~~~~

Fixes: 67982dfa59de ("usb: cdns3: imx: add power lost support for system resume")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Peter Chen <peter.chen@kernel.org>
This commit is contained in:
Wei Yongjun 2021-03-10 10:46:54 +00:00 committed by Peter Chen
parent 39be23f4f1
commit ef32e0513a
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GPG Key ID: 4859298150D671BB
1 changed files with 1 additions and 1 deletions
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drivers/usb/cdns3/cdns3-imx.c
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@ -375,7 +375,7 @@ static inline bool cdns_imx_is_power_lost(struct cdns_imx *data)
return false; return false;
} }
static int cdns_imx_system_resume(struct device *dev) static int __maybe_unused cdns_imx_system_resume(struct device *dev)
{ {
struct cdns_imx *data = dev_get_drvdata(dev); struct cdns_imx *data = dev_get_drvdata(dev);
int ret; int ret;