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:122:5: 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:117:5: 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:113:12: 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:123:5: 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:117:12: 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:117:12: warning: 'mei_cldev_unregister_notify' defined but not used [-Wunused-function] include/linux/mei_hdcp.h:113:12: warning: 'mei_cldev_register_notify' defined but not used [-Wunused-function] static int mei_cldev_register_notify(struct notifier_block *nb) ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/mei_initiate_hdcp2_session +52 drivers/misc/mei/hdcp/mei_hdcp.c 41 42 /** 43 * mei_initiate_hdcp2_session: 44 * Function to start a Wired HDCP2.2 Tx Session with ME FW 45 * 46 * @cldev : Pointer for mei client device 47 * @data : Intel HW specific Data 48 * @ake_data : ptr to store AKE_Init 49 * 50 * Returns 0 on Success, <0 on Failure. 51 */ > 52 int mei_initiate_hdcp2_session(struct mei_cl_device *cldev, 53 struct mei_hdcp_data *data, 54 struct hdcp2_ake_init *ake_data) 55 { 56 struct wired_cmd_initiate_hdcp2_session_in session_init_in = { { 0 } }; 57 struct wired_cmd_initiate_hdcp2_session_out 58 session_init_out = { { 0 } }; 59 struct device *dev; 60 ssize_t byte; 61 62 if (!data || !ake_data) 63 return -EINVAL; 64 65 dev = &cldev->dev; 66 67 session_init_in.header.api_version = HDCP_API_VERSION; 68 session_init_in.header.command_id = WIRED_INITIATE_HDCP2_SESSION; 69 session_init_in.header.status = ME_HDCP_STATUS_SUCCESS; 70 session_init_in.header.buffer_len = 71 WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN; 72 73 session_init_in.port.integrated_port_type = data->port_type; 74 session_init_in.port.physical_port = data->port; 75 session_init_in.protocol = (uint8_t)data->protocol; 76 77 byte = mei_cldev_send(cldev, (u8 *)&session_init_in, 78 sizeof(session_init_in)); 79 if (byte < 0) { 80 dev_dbg(dev, "mei_cldev_send failed. %d\n", (int)byte); 81 return byte; 82 } 83 84 byte = mei_cldev_recv(cldev, (u8 *)&session_init_out, 85 sizeof(session_init_out)); 86 if (byte < 0) { 87 dev_dbg(dev, "mei_cldev_recv failed. %d\n", (int)byte); 88 return byte; 89 } 90 91 if (session_init_out.header.status != ME_HDCP_STATUS_SUCCESS) { 92 dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n", 93 WIRED_INITIATE_HDCP2_SESSION, 94 session_init_out.header.status); 95 return -1; 96 } 97 98 ake_data->msg_id = HDCP_2_2_AKE_INIT; 99 ake_data->tx_caps = session_init_out.tx_caps; 100 memcpy(ake_data->r_tx, session_init_out.r_tx, 101 sizeof(session_init_out.r_tx)); 102 103 return 0; 104 } 105 EXPORT_SYMBOL(mei_initiate_hdcp2_session); 106 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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