Hi Ramalingam, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on next-20180403] [cannot apply to v4.16] [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/Ramalingam-C/drm-i915-Implement-HDCP2-2/20180404-031743 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-randconfig-x001-201813 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): In file included from drivers/gpu//drm/i915/intel_drv.h:32:0, from drivers/gpu//drm/i915/i915_trace.h:11, from drivers/gpu//drm/i915/i915_drv.h:2919, from drivers/gpu//drm/i915/i915_drv.c:49: >> include/linux/mei_hdcp.h:148:12: error: 'mei_cldev_unregister_notify' defined but not used [-Werror=unused-function] static int mei_cldev_unregister_notify(struct notifier_block *nb) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ >> include/linux/mei_hdcp.h:144:12: error: 'mei_cldev_register_notify' defined but not used [-Werror=unused-function] static int mei_cldev_register_notify(struct notifier_block *nb) ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/mei_cldev_unregister_notify +148 include/linux/mei_hdcp.h 3ce9e24eb Ramalingam C 2018-04-03 105 ca998fc38 Ramalingam C 2018-04-03 106 #ifdef CONFIG_INTEL_MEI_HDCP ca998fc38 Ramalingam C 2018-04-03 107 int mei_cldev_register_notify(struct notifier_block *nb); ca998fc38 Ramalingam C 2018-04-03 108 int mei_cldev_unregister_notify(struct notifier_block *nb); 5240fee41 Ramalingam C 2018-04-03 109 int mei_initiate_hdcp2_session(struct mei_cl_device *cldev, 5240fee41 Ramalingam C 2018-04-03 110 struct mei_hdcp_data *data, 5240fee41 Ramalingam C 2018-04-03 111 struct hdcp2_ake_init *ake_data); e33886f53 Ramalingam C 2018-04-03 112 int e33886f53 Ramalingam C 2018-04-03 113 mei_verify_receiver_cert_prepare_km(struct mei_cl_device *cldev, e33886f53 Ramalingam C 2018-04-03 114 struct mei_hdcp_data *data, e33886f53 Ramalingam C 2018-04-03 115 struct hdcp2_ake_send_cert *rx_cert, e33886f53 Ramalingam C 2018-04-03 116 bool *km_stored, e33886f53 Ramalingam C 2018-04-03 117 struct hdcp2_ake_no_stored_km *ek_pub_km, e33886f53 Ramalingam C 2018-04-03 118 size_t *msg_sz); a27b68fb5 Ramalingam C 2018-04-03 119 int mei_verify_hprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data, a27b68fb5 Ramalingam C 2018-04-03 120 struct hdcp2_ake_send_hprime *rx_hprime); dc86bde43 Ramalingam C 2018-04-03 121 int mei_store_pairing_info(struct mei_cl_device *cldev, dc86bde43 Ramalingam C 2018-04-03 122 struct mei_hdcp_data *data, dc86bde43 Ramalingam C 2018-04-03 123 struct hdcp2_ake_send_pairing_info *pairing_info); 67158470b Ramalingam C 2018-04-03 124 int mei_initiate_locality_check(struct mei_cl_device *cldev, 67158470b Ramalingam C 2018-04-03 125 struct mei_hdcp_data *data, 67158470b Ramalingam C 2018-04-03 126 struct hdcp2_lc_init *lc_init_data); b10099c9a Ramalingam C 2018-04-03 127 int mei_verify_lprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data, b10099c9a Ramalingam C 2018-04-03 128 struct hdcp2_lc_send_lprime *rx_lprime); 931c35709 Ramalingam C 2018-04-03 129 int mei_get_session_key(struct mei_cl_device *cldev, struct mei_hdcp_data *data, 931c35709 Ramalingam C 2018-04-03 130 struct hdcp2_ske_send_eks *ske_data); 654828e8b Ramalingam C 2018-04-03 131 int 654828e8b Ramalingam C 2018-04-03 132 mei_repeater_check_flow_prepare_ack(struct mei_cl_device *cldev, 654828e8b Ramalingam C 2018-04-03 133 struct mei_hdcp_data *data, 654828e8b Ramalingam C 2018-04-03 134 struct hdcp2_rep_send_receiverid_list 654828e8b Ramalingam C 2018-04-03 135 *rep_topology, 654828e8b Ramalingam C 2018-04-03 136 struct hdcp2_rep_send_ack *rep_send_ack); 315c37225 Ramalingam C 2018-04-03 137 int mei_verify_mprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data, 315c37225 Ramalingam C 2018-04-03 138 struct hdcp2_rep_stream_ready *stream_ready); 702a0ad13 Ramalingam C 2018-04-03 139 int mei_enable_hdcp_authentication(struct mei_cl_device *cldev, 702a0ad13 Ramalingam C 2018-04-03 140 struct mei_hdcp_data *data); 015031e8d Ramalingam C 2018-04-03 141 int mei_close_hdcp_session(struct mei_cl_device *cldev, 015031e8d Ramalingam C 2018-04-03 142 struct mei_hdcp_data *data); ca998fc38 Ramalingam C 2018-04-03 143 #else ca998fc38 Ramalingam C 2018-04-03 @144 static int mei_cldev_register_notify(struct notifier_block *nb) ca998fc38 Ramalingam C 2018-04-03 145 { ca998fc38 Ramalingam C 2018-04-03 146 return -ENODEV; ca998fc38 Ramalingam C 2018-04-03 147 } ca998fc38 Ramalingam C 2018-04-03 @148 static int mei_cldev_unregister_notify(struct notifier_block *nb) :::::: The code at line 148 was first introduced by commit :::::: ca998fc3888ec55e0039c23b61cbe2057cc5d7a9 misc/mei/hdcp: Notifier chain for mei cldev state change :::::: TO: Ramalingam C <ramalingam.c@xxxxxxxxx> :::::: CC: 0day robot <fengguang.wu@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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