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Date: Tue, 12 Apr 2022 23:35:35 +0800
From: kernel test robot <lkp@...el.com>
To: Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: kbuild-all@...ts.01.org, Benson Leung <bleung@...gle.com>,
Prashant Malani <pmalani@...omium.org>,
Jameson Thies <jthies@...gle.com>,
"Regupathy, Rajaram" <rajaram.regupathy@...el.com>,
Guenter Roeck <linux@...ck-us.net>,
Won Chung <wonchung@...gle.com>, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] usb: typec: USB Power Deliver helpers for ports
and partners
Hi Heikki,
I love your patch! Perhaps something to improve:
[auto build test WARNING on usb/usb-testing]
[also build test WARNING on chrome-platform/for-next v5.18-rc2 next-20220412]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/intel-lab-lkp/linux/commits/Heikki-Krogerus/usb-typec-Separate-sysfs-directory-for-all-USB-PD-objects/20220412-211628
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220412/202204122323.iqiRhgAI-lkp@intel.com/config)
compiler: alpha-linux-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/intel-lab-lkp/linux/commit/98fece77872792e49f1005617761a533089f319d
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Heikki-Krogerus/usb-typec-Separate-sysfs-directory-for-all-USB-PD-objects/20220412-211628
git checkout 98fece77872792e49f1005617761a533089f319d
# 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=alpha SHELL=/bin/bash drivers/usb/typec/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/usb/typec/pd.c:669: warning: expecting prototype for pd_register(). Prototype was for pd_unregister() instead
>> drivers/usb/typec/pd.c:717: warning: expecting prototype for pd_link_device(). Prototype was for pd_unlink_device() instead
--
>> drivers/usb/typec/class.c:1222: warning: expecting prototype for typec_port_set_pd_capabilities(). Prototype was for typec_port_set_pd() instead
vim +717 drivers/usb/typec/pd.c
c99df888db9e4c Heikki Krogerus 2022-04-12 663
c99df888db9e4c Heikki Krogerus 2022-04-12 664 /**
c99df888db9e4c Heikki Krogerus 2022-04-12 665 * pd_register - Unregister USB Power Delivery Support.
c99df888db9e4c Heikki Krogerus 2022-04-12 666 * @pd: The USB PD contract.
c99df888db9e4c Heikki Krogerus 2022-04-12 667 */
c99df888db9e4c Heikki Krogerus 2022-04-12 668 void pd_unregister(struct pd *pd)
c99df888db9e4c Heikki Krogerus 2022-04-12 @669 {
c99df888db9e4c Heikki Krogerus 2022-04-12 670 if (IS_ERR_OR_NULL(pd))
c99df888db9e4c Heikki Krogerus 2022-04-12 671 return;
c99df888db9e4c Heikki Krogerus 2022-04-12 672
c99df888db9e4c Heikki Krogerus 2022-04-12 673 kobject_put(&pd->kobj);
c99df888db9e4c Heikki Krogerus 2022-04-12 674 }
c99df888db9e4c Heikki Krogerus 2022-04-12 675 EXPORT_SYMBOL_GPL(pd_unregister);
c99df888db9e4c Heikki Krogerus 2022-04-12 676
c99df888db9e4c Heikki Krogerus 2022-04-12 677 /**
c99df888db9e4c Heikki Krogerus 2022-04-12 678 * pd_link_device - Link device to its USB PD object.
c99df888db9e4c Heikki Krogerus 2022-04-12 679 * @pd: The USB PD instance.
c99df888db9e4c Heikki Krogerus 2022-04-12 680 * @dev: The device.
c99df888db9e4c Heikki Krogerus 2022-04-12 681 *
c99df888db9e4c Heikki Krogerus 2022-04-12 682 * This function can be used to create a symlink named "usb_power_delivery" for
c99df888db9e4c Heikki Krogerus 2022-04-12 683 * @dev that points to @pd.
c99df888db9e4c Heikki Krogerus 2022-04-12 684 */
c99df888db9e4c Heikki Krogerus 2022-04-12 685 int pd_link_device(struct pd *pd, struct device *dev)
c99df888db9e4c Heikki Krogerus 2022-04-12 686 {
c99df888db9e4c Heikki Krogerus 2022-04-12 687 int ret;
c99df888db9e4c Heikki Krogerus 2022-04-12 688
c99df888db9e4c Heikki Krogerus 2022-04-12 689 if (IS_ERR_OR_NULL(pd) || !dev)
c99df888db9e4c Heikki Krogerus 2022-04-12 690 return 0;
c99df888db9e4c Heikki Krogerus 2022-04-12 691
c99df888db9e4c Heikki Krogerus 2022-04-12 692 ret = sysfs_create_link(&dev->kobj, &pd->kobj, "usb_power_delivery");
c99df888db9e4c Heikki Krogerus 2022-04-12 693 if (ret)
c99df888db9e4c Heikki Krogerus 2022-04-12 694 return ret;
c99df888db9e4c Heikki Krogerus 2022-04-12 695
c99df888db9e4c Heikki Krogerus 2022-04-12 696 ret = sysfs_create_link(&pd->kobj, &dev->kobj, dev_name(dev));
c99df888db9e4c Heikki Krogerus 2022-04-12 697 if (ret) {
c99df888db9e4c Heikki Krogerus 2022-04-12 698 sysfs_remove_link(&dev->kobj, "usb_power_delivery");
c99df888db9e4c Heikki Krogerus 2022-04-12 699 return ret;
c99df888db9e4c Heikki Krogerus 2022-04-12 700 }
c99df888db9e4c Heikki Krogerus 2022-04-12 701
c99df888db9e4c Heikki Krogerus 2022-04-12 702 kobject_get(&pd->kobj);
c99df888db9e4c Heikki Krogerus 2022-04-12 703 get_device(dev);
c99df888db9e4c Heikki Krogerus 2022-04-12 704
c99df888db9e4c Heikki Krogerus 2022-04-12 705 return 0;
c99df888db9e4c Heikki Krogerus 2022-04-12 706 }
c99df888db9e4c Heikki Krogerus 2022-04-12 707 EXPORT_SYMBOL_GPL(pd_link_device);
c99df888db9e4c Heikki Krogerus 2022-04-12 708
c99df888db9e4c Heikki Krogerus 2022-04-12 709 /**
c99df888db9e4c Heikki Krogerus 2022-04-12 710 * pd_link_device - Unlink device from its USB PD object.
c99df888db9e4c Heikki Krogerus 2022-04-12 711 * @pd: The USB PD instance.
c99df888db9e4c Heikki Krogerus 2022-04-12 712 * @dev: The device.
c99df888db9e4c Heikki Krogerus 2022-04-12 713 *
c99df888db9e4c Heikki Krogerus 2022-04-12 714 * Remove the symlink that was previously created with pd_link_device().
c99df888db9e4c Heikki Krogerus 2022-04-12 715 */
c99df888db9e4c Heikki Krogerus 2022-04-12 716 void pd_unlink_device(struct pd *pd, struct device *dev)
c99df888db9e4c Heikki Krogerus 2022-04-12 @717 {
c99df888db9e4c Heikki Krogerus 2022-04-12 718 if (IS_ERR_OR_NULL(pd) || !dev)
c99df888db9e4c Heikki Krogerus 2022-04-12 719 return;
c99df888db9e4c Heikki Krogerus 2022-04-12 720
c99df888db9e4c Heikki Krogerus 2022-04-12 721 sysfs_remove_link(&dev->kobj, "usb_power_delivery");
c99df888db9e4c Heikki Krogerus 2022-04-12 722 sysfs_remove_link(&pd->kobj, dev_name(dev));
c99df888db9e4c Heikki Krogerus 2022-04-12 723 kobject_put(&pd->kobj);
c99df888db9e4c Heikki Krogerus 2022-04-12 724 put_device(dev);
c99df888db9e4c Heikki Krogerus 2022-04-12 725 }
c99df888db9e4c Heikki Krogerus 2022-04-12 726 EXPORT_SYMBOL_GPL(pd_unlink_device);
c99df888db9e4c Heikki Krogerus 2022-04-12 727
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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