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Subject[ammarfaizi2-block:google/android/kernel/common/android12-5.10-2022-01 5703/9999] drivers/usb/gadget/configfs.c:1620:9: error: implicit declaration of function 'acc_disconnect'
Hi Ronak,

FYI, the error/warning still remains.

tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android12-5.10-2022-01
head: 47874cc690dc05182eefd0688cc627ffca746b8f
commit: 80fef39de7e9dbe706d0cbc820a09b5c05dc366f [5703/9999] ANDROID: usb: gadget: Resolve NULL pointer dereference in composite_disconnect
config: arm-buildonly-randconfig-r002-20220105 (https://download.01.org/0day-ci/archive/20220105/202201052253.4WGSj343-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/ammarfaizi2/linux-block/commit/80fef39de7e9dbe706d0cbc820a09b5c05dc366f
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android12-5.10-2022-01
git checkout 80fef39de7e9dbe706d0cbc820a09b5c05dc366f
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/usb/gadget/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

drivers/usb/gadget/configfs.c: In function 'configfs_composite_disconnect':
>> drivers/usb/gadget/configfs.c:1620:9: error: implicit declaration of function 'acc_disconnect' [-Werror=implicit-function-declaration]
1620 | acc_disconnect();
| ^~~~~~~~~~~~~~
cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for WIRELESS_EXT
Depends on NET && WIRELESS
Selected by
- GKI_LEGACY_WEXT_ALLCONFIG
WARNING: unmet direct dependencies detected for WEXT_CORE
Depends on NET && WIRELESS && (CFG80211_WEXT || WIRELESS_EXT
Selected by
- GKI_LEGACY_WEXT_ALLCONFIG
WARNING: unmet direct dependencies detected for DRM_TTM
Depends on HAS_IOMEM && DRM && MMU
Selected by
- GKI_HIDDEN_DRM_CONFIGS && HAS_IOMEM && DRM
WARNING: unmet direct dependencies detected for WEXT_PROC
Depends on NET && WIRELESS && PROC_FS && WEXT_CORE
Selected by
- GKI_LEGACY_WEXT_ALLCONFIG
WARNING: unmet direct dependencies detected for WEXT_PRIV
Depends on NET && WIRELESS
Selected by
- GKI_LEGACY_WEXT_ALLCONFIG
WARNING: unmet direct dependencies detected for BALLOON_COMPACTION
Depends on COMPACTION && MEMORY_BALLOON
Selected by
- GKI_HIDDEN_MM_CONFIGS
WARNING: unmet direct dependencies detected for WEXT_SPY
Depends on NET && WIRELESS
Selected by
- GKI_LEGACY_WEXT_ALLCONFIG


vim +/acc_disconnect +1620 drivers/usb/gadget/configfs.c

1603
1604 static void configfs_composite_disconnect(struct usb_gadget *gadget)
1605 {
1606 struct usb_composite_dev *cdev;
1607 struct gadget_info *gi;
1608 unsigned long flags;
1609
1610 cdev = get_gadget_data(gadget);
1611 if (!cdev)
1612 return;
1613
1614 #ifdef CONFIG_USB_CONFIGFS_F_ACC
1615 /*
1616 * accessory HID support can be active while the
1617 * accessory function is not actually enabled,
1618 * so we need to inform it when we are disconnected.
1619 */
> 1620 acc_disconnect();
1621 #endif
1622 gi = container_of(cdev, struct gadget_info, cdev);
1623 spin_lock_irqsave(&gi->spinlock, flags);
1624 cdev = get_gadget_data(gadget);
1625 if (!cdev || gi->unbind) {
1626 spin_unlock_irqrestore(&gi->spinlock, flags);
1627 return;
1628 }
1629

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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