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: i386-allmodconfig (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=i386 All errors (new ones prefixed by >>): drivers/misc/mei/hdcp/mei_hdcp.c:52:5: error: redefinition of 'mei_initiate_hdcp2_session' int mei_initiate_hdcp2_session(struct mei_cl_device *cldev, ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0: include/linux/mei_hdcp.h:131:5: note: previous definition of 'mei_initiate_hdcp2_session' was here int mei_initiate_hdcp2_session(struct mei_cl_device *cldev, ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/misc/mei/hdcp/mei_hdcp.c:122:1: error: redefinition of 'mei_verify_receiver_cert_prepare_km' mei_verify_receiver_cert_prepare_km(struct mei_cl_device *cldev, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0: include/linux/mei_hdcp.h:138:1: note: previous definition of 'mei_verify_receiver_cert_prepare_km' was here mei_verify_receiver_cert_prepare_km(struct mei_cl_device *cldev, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/misc/mei/hdcp/mei_hdcp.c:200:5: error: redefinition of 'mei_verify_hprime' int mei_verify_hprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data, ^~~~~~~~~~~~~~~~~ In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0: include/linux/mei_hdcp.h:148:5: note: previous definition of 'mei_verify_hprime' was here int mei_verify_hprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data, ^~~~~~~~~~~~~~~~~ drivers/misc/mei/hdcp/mei_hdcp.c:257:5: error: redefinition of 'mei_cldev_register_notify' int mei_cldev_register_notify(struct notifier_block *nb) ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0: include/linux/mei_hdcp.h:122:12: note: previous definition of 'mei_cldev_register_notify' was here static int mei_cldev_register_notify(struct notifier_block *nb) ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/misc/mei/hdcp/mei_hdcp.c:263:5: error: redefinition of 'mei_cldev_unregister_notify' int mei_cldev_unregister_notify(struct notifier_block *nb) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/misc/mei/hdcp/mei_hdcp.c:35:0: include/linux/mei_hdcp.h:126:12: note: previous definition of 'mei_cldev_unregister_notify' was here static int mei_cldev_unregister_notify(struct notifier_block *nb) ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mei_hdcp.h:126:12: warning: 'mei_cldev_unregister_notify' defined but not used [-Wunused-function] include/linux/mei_hdcp.h:122:12: warning: 'mei_cldev_register_notify' defined but not used [-Wunused-function] static int mei_cldev_register_notify(struct notifier_block *nb) ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/mei_verify_hprime +200 drivers/misc/mei/hdcp/mei_hdcp.c 106 107 /** 108 * mei_verify_receiver_cert_prepare_km: 109 * Function to verify the Receiver Certificate AKE_Send_Cert 110 * and prepare AKE_Stored_Km or AKE_No_Stored_Km 111 * 112 * @cldev : Pointer for mei client device 113 * @data : Intel HW specific Data 114 * @rx_cert : Pointer for AKE_Send_Cert 115 * @km_stored : Pointer for pairing status flag 116 * @ek_pub_km : Pointer for output msg 117 * @msg_sz : Pointer for size of AKE_XXXXX_Km 118 * 119 * Returns 0 on Success, <0 on Failure 120 */ 121 int > 122 mei_verify_receiver_cert_prepare_km(struct mei_cl_device *cldev, 123 struct mei_hdcp_data *data, 124 struct hdcp2_ake_send_cert *rx_cert, 125 bool *km_stored, 126 struct hdcp2_ake_no_stored_km *ek_pub_km, 127 size_t *msg_sz) 128 { 129 struct wired_cmd_verify_receiver_cert_in verify_rxcert_in = { { 0 } }; 130 struct wired_cmd_verify_receiver_cert_out verify_rxcert_out = { { 0 } }; 131 struct device *dev; 132 ssize_t byte; 133 134 if (!data || !rx_cert || !km_stored || !ek_pub_km || !msg_sz) 135 return -EINVAL; 136 137 dev = &cldev->dev; 138 139 verify_rxcert_in.header.api_version = HDCP_API_VERSION; 140 verify_rxcert_in.header.command_id = WIRED_VERIFY_RECEIVER_CERT; 141 verify_rxcert_in.header.status = ME_HDCP_STATUS_SUCCESS; 142 verify_rxcert_in.header.buffer_len = 143 WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN; 144 145 verify_rxcert_in.port.integrated_port_type = data->port_type; 146 verify_rxcert_in.port.physical_port = data->port; 147 148 memcpy(&verify_rxcert_in.cert_rx, &rx_cert->cert_rx, 149 sizeof(rx_cert->cert_rx)); 150 memcpy(verify_rxcert_in.r_rx, &rx_cert->r_rx, sizeof(rx_cert->r_rx)); 151 memcpy(verify_rxcert_in.rx_caps, rx_cert->rx_caps, HDCP_2_2_RXCAPS_LEN); 152 153 byte = mei_cldev_send(cldev, (u8 *)&verify_rxcert_in, 154 sizeof(verify_rxcert_in)); 155 if (byte < 0) { 156 dev_dbg(dev, "mei_cldev_send failed: %d\n", (int)byte); 157 return byte; 158 } 159 160 byte = mei_cldev_recv(cldev, (u8 *)&verify_rxcert_out, 161 sizeof(verify_rxcert_out)); 162 if (byte < 0) { 163 dev_dbg(dev, "mei_cldev_recv failed: %d\n", (int)byte); 164 return byte; 165 } 166 167 if (verify_rxcert_out.header.status != ME_HDCP_STATUS_SUCCESS) { 168 dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n", 169 WIRED_VERIFY_RECEIVER_CERT, 170 verify_rxcert_out.header.status); 171 return -1; 172 } 173 174 *km_stored = verify_rxcert_out.km_stored; 175 if (verify_rxcert_out.km_stored) { 176 ek_pub_km->msg_id = HDCP_2_2_AKE_STORED_KM; 177 *msg_sz = sizeof(struct hdcp2_ake_stored_km); 178 } else { 179 ek_pub_km->msg_id = HDCP_2_2_AKE_NO_STORED_KM; 180 *msg_sz = sizeof(struct hdcp2_ake_no_stored_km); 181 } 182 183 memcpy(ek_pub_km->e_kpub_km, &verify_rxcert_out.ekm_buff, 184 sizeof(verify_rxcert_out.ekm_buff)); 185 return 0; 186 } 187 EXPORT_SYMBOL(mei_verify_receiver_cert_prepare_km); 188 189 /** 190 * mei_verify_hprime: 191 * Function to verify AKE_Send_H_prime received 192 * 193 * @cldev : Pointer for mei client device 194 * @data : Intel HW specific Data 195 * @rx_hprime : Pointer for AKE_Send_H_prime 196 * @hprime_sz : Input buffer size 197 * 198 * Returns 0 on Success, <0 on Failure 199 */ > 200 int mei_verify_hprime(struct mei_cl_device *cldev, struct mei_hdcp_data *data, 201 struct hdcp2_ake_send_hprime *rx_hprime) 202 { 203 struct wired_cmd_ake_send_hprime_in send_hprime_in = { { 0 } }; 204 struct wired_cmd_ake_send_hprime_out send_hprime_out = { { 0 } }; 205 struct device *dev; 206 ssize_t byte; 207 208 if (!data || !rx_hprime) 209 return -EINVAL; 210 211 dev = &cldev->dev; 212 213 send_hprime_in.header.api_version = HDCP_API_VERSION; 214 send_hprime_in.header.command_id = WIRED_AKE_SEND_HPRIME; 215 send_hprime_in.header.status = ME_HDCP_STATUS_SUCCESS; 216 send_hprime_in.header.buffer_len = WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN; 217 218 send_hprime_in.port.integrated_port_type = data->port_type; 219 send_hprime_in.port.physical_port = data->port; 220 221 memcpy(send_hprime_in.h_prime, rx_hprime->h_prime, 222 sizeof(rx_hprime->h_prime)); 223 224 byte = mei_cldev_send(cldev, (u8 *)&send_hprime_in, 225 sizeof(send_hprime_in)); 226 if (byte < 0) { 227 dev_dbg(dev, "mei_cldev_send failed. %d\n", (int)byte); 228 return byte; 229 } 230 231 byte = mei_cldev_recv(cldev, (u8 *)&send_hprime_out, 232 sizeof(send_hprime_out)); 233 if (byte < 0) { 234 dev_dbg(dev, "mei_cldev_recv failed. %d\n", (int)byte); 235 return byte; 236 } 237 238 if (send_hprime_out.header.status != ME_HDCP_STATUS_SUCCESS) { 239 dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n", 240 WIRED_AKE_SEND_HPRIME, send_hprime_out.header.status); 241 return -1; 242 } 243 return 0; 244 } 245 EXPORT_SYMBOL(mei_verify_hprime); 246 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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