From: Baolin Wang <baolin.wang@linux.alibaba.com>
Date: Wed, 24 Jun 2020 14:49:58 +0800
Subject: [PATCH] nvme: use USEC_PER_SEC instead of magic numbers
Git-commit: f5af577d553103115579b5e404070dfab4d00332
Patch-mainline: v5.9-rc1
References: jsc#SLE-15608
Use USEC_PER_SEC instead of magic numbers to make code more readable.
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/nvme/host/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index c1de05646a02..96898040a6d5 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2947,7 +2947,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
if (id->rtd3e) {
/* us -> s */
- u32 transition_time = le32_to_cpu(id->rtd3e) / 1000000;
+ u32 transition_time = le32_to_cpu(id->rtd3e) / USEC_PER_SEC;
ctrl->shutdown_timeout = clamp_t(unsigned int, transition_time,
shutdown_timeout, 60);
--
2.16.4