scsi: megaraid: use ktime_get_real for firmware time

do_gettimeofday() overflows in 2038 on 32-bit architectures and is
deprecated, so convert this driver to call ktime_get_real()
directly. This also simplifies the calculation.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 0a85f3c48ef6..97fae28c8374 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -983,7 +983,7 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
         MFI_CAPABILITIES *drv_ops;
         u32 scratch_pad_2;
         unsigned long flags;
-        struct timeval tv;
+        ktime_t time;
         bool cur_fw_64bit_dma_capable;
 
         fusion = instance->ctrl_context;
@@ -1042,10 +1042,9 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
         IOCInitMessage->HostMSIxVectors = instance->msix_vectors;
         IOCInitMessage->HostPageSize = MR_DEFAULT_NVME_PAGE_SHIFT;
 
-        do_gettimeofday(&tv);
+        time = ktime_get_real();
         /* Convert to milliseconds as per FW requirement */
-        IOCInitMessage->TimeStamp = cpu_to_le64((tv.tv_sec * 1000) +
-                                                (tv.tv_usec / 1000));
+        IOCInitMessage->TimeStamp = cpu_to_le64(ktime_to_ms(time));
 
         init_frame = (struct megasas_init_frame *)cmd->frame;
         memset(init_frame, 0, IOC_INIT_FRAME_SIZE);