Hi Sujeev, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.17-rc2 next-20180426] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Sujeev-Dias/mhi_bus-core-Add-support-for-MHI-host-interface/20180428-065959 config: sparc64-allyesconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sparc64 All error/warnings (new ones prefixed by >>): drivers/bus/mhi/core/mhi_dtr.c: In function 'mhi_ioctl': >> drivers/bus/mhi/core/mhi_dtr.c:108:9: error: implicit declaration of function 'get_user'; did you mean 'get_super'? [-Werror=implicit-function-declaration] ret = get_user(tiocm, (u32 *)arg); ^~~~~~~~ get_super >> drivers/bus/mhi/core/mhi_dtr.c:108:7: warning: 'tiocm' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = get_user(tiocm, (u32 *)arg); ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +108 drivers/bus/mhi/core/mhi_dtr.c 90 91 long mhi_ioctl(struct mhi_device *mhi_dev, unsigned int cmd, unsigned long arg) 92 { 93 struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl; 94 struct mhi_chan *mhi_chan = mhi_dev->ul_chan; 95 int ret; 96 97 /* ioctl not supported by this controller */ 98 if (!mhi_cntrl->dtr_dev) 99 return -EIO; 100 101 switch (cmd) { 102 case TIOCMGET: 103 return mhi_chan->tiocm; 104 case TIOCMSET: 105 { 106 u32 tiocm; 107 > 108 ret = get_user(tiocm, (u32 *)arg); 109 if (ret) 110 return ret; 111 112 return mhi_dtr_tiocmset(mhi_cntrl, mhi_chan, tiocm); 113 } 114 default: 115 break; 116 } 117 118 return -EINVAL; 119 } 120 EXPORT_SYMBOL(mhi_ioctl); 121 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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