[PATCH] megaraid: use ktime_get_real for firmware time

[Arnd Bergmann]

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 <a...@arndb.de>
---
 drivers/scsi/megaraid/megaraid_sas_fusion.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c 
b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 65dc4fea6352..b8ada27d84a4 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, MEGAMFI_FRAME_SIZE);
-- 
2.9.0