From a264f5e80d56ae675e25f0e4158e12f4df5efb9d Mon Sep 17 00:00:00 2001 From: Jitendra Bhivare Date: Thu, 4 Feb 2016 15:49:13 +0530 Subject: [PATCH] be2iscsi: Remove be_mbox_notify_wait function be_mbox_notify_wait does exactly same thing as be_mbox_notify. Signed-off-by: Jitendra Bhivare Reviewed-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen --- drivers/scsi/be2iscsi/be_cmds.c | 79 ++------------------------------- 1 file changed, 4 insertions(+), 75 deletions(-) diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c index 1fe8eb84333a..12b60dd8d1c9 100644 --- a/drivers/scsi/be2iscsi/be_cmds.c +++ b/drivers/scsi/be2iscsi/be_cmds.c @@ -625,8 +625,6 @@ int be_mbox_notify(struct be_ctrl_info *ctrl) void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET; struct be_dma_mem *mbox_mem = &ctrl->mbox_mem; struct be_mcc_mailbox *mbox = mbox_mem->va; - struct be_mcc_compl *compl = &mbox->compl; - struct beiscsi_hba *phba = pci_get_drvdata(ctrl->pdev); status = be_mbox_db_ready_poll(ctrl); if (status) @@ -654,77 +652,8 @@ int be_mbox_notify(struct be_ctrl_info *ctrl) /* RDY is set; small delay before CQE read. */ udelay(1); - if (be_mcc_compl_is_new(compl)) { - status = beiscsi_process_mbox_compl(ctrl, compl); - be_mcc_compl_use(compl); - if (status) { - beiscsi_log(phba, KERN_ERR, - BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX, - "BC_%d : After beiscsi_process_mbox_compl\n"); - - return status; - } - } else { - beiscsi_log(phba, KERN_ERR, - BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX, - "BC_%d : Invalid Mailbox Completion\n"); - - return -EBUSY; - } - return 0; -} - -/* - * Insert the mailbox address into the doorbell in two steps - * Polls on the mbox doorbell till a command completion (or a timeout) occurs - */ -static int be_mbox_notify_wait(struct beiscsi_hba *phba) -{ - int status; - u32 val = 0; - void __iomem *db = phba->ctrl.db + MPU_MAILBOX_DB_OFFSET; - struct be_dma_mem *mbox_mem = &phba->ctrl.mbox_mem; - struct be_mcc_mailbox *mbox = mbox_mem->va; - struct be_mcc_compl *compl = &mbox->compl; - struct be_ctrl_info *ctrl = &phba->ctrl; - - status = be_mbox_db_ready_poll(ctrl); - if (status) - return status; - - val |= MPU_MAILBOX_DB_HI_MASK; - /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */ - val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2; - iowrite32(val, db); - - /* wait for ready to be set */ - status = be_mbox_db_ready_poll(ctrl); - if (status != 0) - return status; - - val = 0; - /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */ - val |= (u32)(mbox_mem->dma >> 4) << 2; - iowrite32(val, db); - - status = be_mbox_db_ready_poll(ctrl); - if (status != 0) - return status; - - /* A cq entry has been made now */ - if (be_mcc_compl_is_new(compl)) { - status = beiscsi_process_mbox_compl(ctrl, &mbox->compl); - be_mcc_compl_use(compl); - if (status) - return status; - } else { - beiscsi_log(phba, KERN_ERR, - BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX, - "BC_%d : invalid mailbox completion\n"); - - return -EBUSY; - } - return 0; + status = beiscsi_process_mbox_compl(ctrl, &mbox->compl); + return status; } void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len, @@ -1039,7 +968,7 @@ int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba, be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); - status = be_mbox_notify_wait(phba); + status = be_mbox_notify(ctrl); if (!status) { struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb); mccq->id = le16_to_cpu(resp->id); @@ -1381,7 +1310,7 @@ int beiscsi_cmd_reset_function(struct beiscsi_hba *phba) be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_FUNCTION_RESET, sizeof(*req)); - status = be_mbox_notify_wait(phba); + status = be_mbox_notify(ctrl); mutex_unlock(&ctrl->mbox_lock); return status; -- 2.39.5