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Date: Wed, 28 Sep 2022 03:28:15 +0800
From: kernel test robot <lkp@...el.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Prashant Malani <pmalani@...omium.org>,
linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-usb@...r.kernel.org
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
Daniel Scally <djrscally@...il.com>,
Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v1 2/5] device property: Constify fwnode connection match
APIs
Hi Andy,
I love your patch! Yet something to improve:
[auto build test ERROR on driver-core/driver-core-testing]
[cannot apply to usb/usb-testing westeri-thunderbolt/next linus/master v6.0-rc7 next-20220923]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/device-property-Keep-dev_fwnode-and-dev_fwnode_const-separate/20220927-223109
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git 1da40c2667388dd70306bfd3d4dcb49fd20b50a9
config: hexagon-randconfig-r045-20220927
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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/34401a778cc4e8ddd9610bf7f76d8b7e4fff142e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Andy-Shevchenko/device-property-Keep-dev_fwnode-and-dev_fwnode_const-separate/20220927-223109
git checkout 34401a778cc4e8ddd9610bf7f76d8b7e4fff142e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/usb/typec/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/usb/typec/mux.c:84:13: error: incompatible function pointer types passing 'void *(struct fwnode_handle *, const char *, void *)' to parameter of type 'devcon_match_fn_t' (aka 'void *(*)(const struct fwnode_handle *, const char *, void *)') [-Wincompatible-function-pointer-types]
typec_switch_match,
^~~~~~~~~~~~~~~~~~
include/linux/property.h:457:26: note: passing argument to parameter 'match' here
devcon_match_fn_t match,
^
drivers/usb/typec/mux.c:352:27: error: incompatible function pointer types passing 'void *(struct fwnode_handle *, const char *, void *)' to parameter of type 'devcon_match_fn_t' (aka 'void *(*)(const struct fwnode_handle *, const char *, void *)') [-Wincompatible-function-pointer-types]
(void *)desc, typec_mux_match,
^~~~~~~~~~~~~~~
include/linux/property.h:457:26: note: passing argument to parameter 'match' here
devcon_match_fn_t match,
^
2 errors generated.
vim +84 drivers/usb/typec/mux.c
bdecb33af34f79 Heikki Krogerus 2018-03-20 61
bdecb33af34f79 Heikki Krogerus 2018-03-20 62 /**
d1c6a769cdf466 Heikki Krogerus 2020-03-02 63 * fwnode_typec_switch_get - Find USB Type-C orientation switch
d1c6a769cdf466 Heikki Krogerus 2020-03-02 64 * @fwnode: The caller device node
bdecb33af34f79 Heikki Krogerus 2018-03-20 65 *
bdecb33af34f79 Heikki Krogerus 2018-03-20 66 * Finds a switch linked with @dev. Returns a reference to the switch on
bdecb33af34f79 Heikki Krogerus 2018-03-20 67 * success, NULL if no matching connection was found, or
bdecb33af34f79 Heikki Krogerus 2018-03-20 68 * ERR_PTR(-EPROBE_DEFER) when a connection was found but the switch
bdecb33af34f79 Heikki Krogerus 2018-03-20 69 * has not been enumerated yet.
bdecb33af34f79 Heikki Krogerus 2018-03-20 70 */
d1c6a769cdf466 Heikki Krogerus 2020-03-02 71 struct typec_switch *fwnode_typec_switch_get(struct fwnode_handle *fwnode)
bdecb33af34f79 Heikki Krogerus 2018-03-20 72 {
71793b579ba682 Bjorn Andersson 2022-04-22 73 struct typec_switch_dev *sw_devs[TYPEC_MUX_MAX_DEVS];
bdecb33af34f79 Heikki Krogerus 2018-03-20 74 struct typec_switch *sw;
71793b579ba682 Bjorn Andersson 2022-04-22 75 int count;
71793b579ba682 Bjorn Andersson 2022-04-22 76 int err;
71793b579ba682 Bjorn Andersson 2022-04-22 77 int i;
bdecb33af34f79 Heikki Krogerus 2018-03-20 78
713fd49b430c37 Bjorn Andersson 2022-04-22 79 sw = kzalloc(sizeof(*sw), GFP_KERNEL);
713fd49b430c37 Bjorn Andersson 2022-04-22 80 if (!sw)
713fd49b430c37 Bjorn Andersson 2022-04-22 81 return ERR_PTR(-ENOMEM);
713fd49b430c37 Bjorn Andersson 2022-04-22 82
71793b579ba682 Bjorn Andersson 2022-04-22 83 count = fwnode_connection_find_matches(fwnode, "orientation-switch", NULL,
71793b579ba682 Bjorn Andersson 2022-04-22 @84 typec_switch_match,
71793b579ba682 Bjorn Andersson 2022-04-22 85 (void **)sw_devs,
71793b579ba682 Bjorn Andersson 2022-04-22 86 ARRAY_SIZE(sw_devs));
71793b579ba682 Bjorn Andersson 2022-04-22 87 if (count <= 0) {
713fd49b430c37 Bjorn Andersson 2022-04-22 88 kfree(sw);
71793b579ba682 Bjorn Andersson 2022-04-22 89 return NULL;
713fd49b430c37 Bjorn Andersson 2022-04-22 90 }
713fd49b430c37 Bjorn Andersson 2022-04-22 91
71793b579ba682 Bjorn Andersson 2022-04-22 92 for (i = 0; i < count; i++) {
71793b579ba682 Bjorn Andersson 2022-04-22 93 if (IS_ERR(sw_devs[i])) {
71793b579ba682 Bjorn Andersson 2022-04-22 94 err = PTR_ERR(sw_devs[i]);
71793b579ba682 Bjorn Andersson 2022-04-22 95 goto put_sw_devs;
71793b579ba682 Bjorn Andersson 2022-04-22 96 }
71793b579ba682 Bjorn Andersson 2022-04-22 97 }
713fd49b430c37 Bjorn Andersson 2022-04-22 98
71793b579ba682 Bjorn Andersson 2022-04-22 99 for (i = 0; i < count; i++) {
71793b579ba682 Bjorn Andersson 2022-04-22 100 WARN_ON(!try_module_get(sw_devs[i]->dev.parent->driver->owner));
71793b579ba682 Bjorn Andersson 2022-04-22 101 sw->sw_devs[i] = sw_devs[i];
71793b579ba682 Bjorn Andersson 2022-04-22 102 }
71793b579ba682 Bjorn Andersson 2022-04-22 103
71793b579ba682 Bjorn Andersson 2022-04-22 104 sw->num_sw_devs = count;
bdecb33af34f79 Heikki Krogerus 2018-03-20 105
bdecb33af34f79 Heikki Krogerus 2018-03-20 106 return sw;
71793b579ba682 Bjorn Andersson 2022-04-22 107
71793b579ba682 Bjorn Andersson 2022-04-22 108 put_sw_devs:
71793b579ba682 Bjorn Andersson 2022-04-22 109 for (i = 0; i < count; i++) {
71793b579ba682 Bjorn Andersson 2022-04-22 110 if (!IS_ERR(sw_devs[i]))
71793b579ba682 Bjorn Andersson 2022-04-22 111 put_device(&sw_devs[i]->dev);
71793b579ba682 Bjorn Andersson 2022-04-22 112 }
71793b579ba682 Bjorn Andersson 2022-04-22 113
71793b579ba682 Bjorn Andersson 2022-04-22 114 kfree(sw);
71793b579ba682 Bjorn Andersson 2022-04-22 115
71793b579ba682 Bjorn Andersson 2022-04-22 116 return ERR_PTR(err);
bdecb33af34f79 Heikki Krogerus 2018-03-20 117 }
d1c6a769cdf466 Heikki Krogerus 2020-03-02 118 EXPORT_SYMBOL_GPL(fwnode_typec_switch_get);
bdecb33af34f79 Heikki Krogerus 2018-03-20 119
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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