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scsi: megaraid: use ktime_get_real for firmware time

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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>
This commit is contained in:
Arnd Bergmann 2018-01-17 15:48:51 +01:00 committed by Martin K. Petersen
parent 22807aa812
commit b45093dd76
1 changed files with 3 additions and 4 deletions
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7
drivers/scsi/megaraid/megaraid_sas_fusion.c
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@ -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);