Hi Loic, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.12-rc3 next-20210319] [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/0day-ci/linux/commits/Loic-Poulain/bus-mhi-Add-Qcom-WWAN-control-driver/20210309-045313 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 144c79ef33536b4ecb4951e07dbc1f2b7fa99d32 config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/727df932009e4a00b877f66f9a77658967e0d8a4 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Loic-Poulain/bus-mhi-Add-Qcom-WWAN-control-driver/20210309-045313 git checkout 727df932009e4a00b877f66f9a77658967e0d8a4 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/bus/mhi/wwan_ctrl.c: In function 'mhi_wwan_ctrl_open': >> drivers/bus/mhi/wwan_ctrl.c:137:9: error: too many arguments to function 'mhi_prepare_for_transfer' 137 | ret = mhi_prepare_for_transfer(wwandev->mhi_dev, 0); | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/bus/mhi/wwan_ctrl.c:5: include/linux/mhi.h:718:5: note: declared here 718 | int mhi_prepare_for_transfer(struct mhi_device *mhi_dev); | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/kernel.h:14, from drivers/bus/mhi/wwan_ctrl.c:4: drivers/bus/mhi/wwan_ctrl.c: In function 'mhi_wwan_ctrl_probe': drivers/bus/mhi/wwan_ctrl.c:442:48: error: 'MHI_MAX_MTU' undeclared (first use in this function); did you mean 'ETH_MAX_MTU'? 442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU); | ^~~~~~~~~~~ include/linux/minmax.h:18:39: note: in definition of macro '__typecheck' 18 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^ include/linux/minmax.h:42:24: note: in expansion of macro '__safe_cmp' 42 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:110:27: note: in expansion of macro '__careful_cmp' 110 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) | ^~~~~~~~~~~~~ drivers/bus/mhi/wwan_ctrl.c:442:17: note: in expansion of macro 'min_t' 442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU); | ^~~~~ drivers/bus/mhi/wwan_ctrl.c:442:48: note: each undeclared identifier is reported only once for each function it appears in 442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU); | ^~~~~~~~~~~ include/linux/minmax.h:18:39: note: in definition of macro '__typecheck' 18 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^ include/linux/minmax.h:42:24: note: in expansion of macro '__safe_cmp' 42 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/minmax.h:110:27: note: in expansion of macro '__careful_cmp' 110 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) | ^~~~~~~~~~~~~ drivers/bus/mhi/wwan_ctrl.c:442:17: note: in expansion of macro 'min_t' 442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU); | ^~~~~ include/linux/minmax.h:42:2: error: first argument to '__builtin_choose_expr' not a constant 42 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:110:27: note: in expansion of macro '__careful_cmp' 110 | #define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <) | ^~~~~~~~~~~~~ drivers/bus/mhi/wwan_ctrl.c:442:17: note: in expansion of macro 'min_t' 442 | wwandev->mtu = min_t(size_t, id->driver_data, MHI_MAX_MTU); | ^~~~~ drivers/bus/mhi/wwan_ctrl.c: At top level: >> drivers/bus/mhi/wwan_ctrl.c:504:53: error: 'MHI_MAX_MTU' undeclared here (not in a function); did you mean 'ETH_MAX_MTU'? 504 | { .chan = MHI_WWAN_CTRL_PROTO_QCDM, .driver_data = MHI_MAX_MTU }, | ^~~~~~~~~~~ | ETH_MAX_MTU vim +/mhi_prepare_for_transfer +137 drivers/bus/mhi/wwan_ctrl.c 117 118 static int mhi_wwan_ctrl_open(struct inode *inode, struct file *filp) 119 { 120 unsigned int minor = iminor(inode); 121 struct mhi_wwan_dev *wwandev = NULL; 122 int ret = 0; 123 124 /* Retrieve corresponding mhi_wwan_dev and get a reference */ 125 mutex_lock(&mhi_wwan_ctrl_drv_lock); 126 wwandev = idr_find(&mhi_wwan_ctrl_idr, minor); 127 if (!wwandev) { 128 mutex_unlock(&mhi_wwan_ctrl_drv_lock); 129 return -ENODEV; 130 } 131 kref_get(&wwandev->ref_count); 132 mutex_unlock(&mhi_wwan_ctrl_drv_lock); 133 134 /* Start MHI channel(s) if not yet started and fill RX queue */ 135 mutex_lock(&wwandev->mhi_dev_lock); 136 if (!wwandev->mhi_dev_open_count++) { > 137 ret = mhi_prepare_for_transfer(wwandev->mhi_dev, 0); 138 if (!ret) 139 ret = mhi_wwan_ctrl_queue_inbound(wwandev); 140 if (ret) 141 wwandev->mhi_dev_open_count--; 142 } 143 mutex_unlock(&wwandev->mhi_dev_lock); 144 145 if (ret) 146 return ret; 147 148 filp->private_data = wwandev; 149 150 /* stream-like non-seekable file descriptor */ 151 stream_open(inode, filp); 152 153 return 0; 154 } 155 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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