diff options
| author | Shivasharan S <shivasharan.srikanteshwara@broadcom.com> | 2017-10-19 02:48:56 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-10-25 04:55:26 -0400 |
| commit | 9b3d028f34686f16a2eb58ea4ad345d4c080b9a6 (patch) | |
| tree | a45e75a3dea671472eaf7a21616a961c99abe261 /drivers/scsi/megaraid/megaraid_sas_fusion.c | |
| parent | 1b4bed20615959277e369b2de39bc3d7b1809c40 (diff) | |
scsi: megaraid_sas: Pre-allocate frequently used DMA buffers
Pre-allocate few of the frequently used DMA buffers during load time.
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fusion.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index a8055341e875..a630a31aecf8 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -776,6 +776,9 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) fusion = instance->ctrl_context; + ioc_init_handle = fusion->ioc_init_request_phys; + IOCInitMessage = fusion->ioc_init_request; + cmd = megasas_get_cmd(instance); if (!cmd) { @@ -801,18 +804,6 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) dev_info(&instance->pdev->dev, "FW supports sync cache\t: %s\n", instance->fw_sync_cache_support ? "Yes" : "No"); - IOCInitMessage = - dma_alloc_coherent(&instance->pdev->dev, - sizeof(struct MPI2_IOC_INIT_REQUEST), - &ioc_init_handle, GFP_KERNEL); - - if (!IOCInitMessage) { - dev_err(&instance->pdev->dev, "Could not allocate memory for " - "IOCInitMessage\n"); - ret = 1; - goto fail_fw_init; - } - memset(IOCInitMessage, 0, sizeof(struct MPI2_IOC_INIT_REQUEST)); IOCInitMessage->Function = MPI2_FUNCTION_IOC_INIT; @@ -921,10 +912,6 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) fail_fw_init: megasas_return_cmd(instance, cmd); - if (IOCInitMessage) - dma_free_coherent(&instance->pdev->dev, - sizeof(struct MPI2_IOC_INIT_REQUEST), - IOCInitMessage, ioc_init_handle); fail_get_cmd: dev_err(&instance->pdev->dev, "Init cmd return status %s for SCSI host %d\n", |