On Mon, Feb 01, 2016 at 03:42:44PM +0530, Jitendra Bhivare wrote:
> be_mbox_notify_wait does exactly same thing as be_mbox_notify.
>
> Signed-off-by: Jitendra Bhivare <jitendra.bhiv...@avagotech.com>
> ---
> 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 8dd8521..12b60dd 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 be_mcc_compl_process\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 = be_mcc_compl_process(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;
> --
> 2.5.0
>
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Reviewed-by: Johannes Thumshirn <jthumsh...@suse.de>
--
Johannes Thumshirn Storage
jthumsh...@suse.de +49 911 74053 689
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)
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