diff mbox

[RESEND] megaraid: use ktime_get_real for firmware time

Message ID 20180117144859.2382521-1-arnd@arndb.de (mailing list archive)
State Accepted
Headers show

Commit Message

Arnd Bergmann Jan. 17, 2018, 2:48 p.m. UTC 
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>
---
Sent originally in Nov 2017, no comments. Please apply
---
 drivers/scsi/megaraid/megaraid_sas_fusion.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

Comments

Martin K. Petersen Jan. 19, 2018, 2:31 a.m. UTC | #1 
Arnd,

> 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.

Applied to 4.16/scsi-queue. Thanks!
diff mbox

Patch

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);