diff options
Diffstat (limited to 'drivers/block/nvme-core.c')
| -rw-r--r-- | drivers/block/nvme-core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 2b1b5a74dc72..310d573b9e8d 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -1137,7 +1137,10 @@ static int nvme_wait_ready(struct nvme_dev *dev, u64 cap, bool enabled) */ static int nvme_disable_ctrl(struct nvme_dev *dev, u64 cap) { - writel(0, &dev->bar->cc); + u32 cc = readl(&dev->bar->cc); + + if (cc & NVME_CC_ENABLE) + writel(cc & ~NVME_CC_ENABLE, &dev->bar->cc); return nvme_wait_ready(dev, cap, false); } |
