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Subject[PATCH] megaraid: use ktime_get_real for firmware time
Date
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>
---
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
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