28 Sep
2021
28 Sep
'21
2:37 a.m.
在 2021/9/27 21:22, Jon Lin 写道:
Most NVME devcies maintain data in internal cache for an uncertain times, and u-boot has no method to force NVME to flush cache. So this patch adds FUA to avoid data loss caused by power off after data programming.
Signed-off-by: Jon Lin jon.lin@rock-chips.com Reviewed-by: Stefan Agner stefan@agner.ch
This sounds reasonable, so FWIW:
Shawn Lin shawn.lin@rock-chips.com
(no changes since v1)
drivers/nvme/nvme.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/nvme/nvme.c b/drivers/nvme/nvme.c index f6465ea7f4..5d05cb6e9e 100644 --- a/drivers/nvme/nvme.c +++ b/drivers/nvme/nvme.c @@ -761,6 +761,9 @@ static ulong nvme_blk_rw(struct udevice *udev, lbaint_t blknr, c.rw.appmask = 0; c.rw.metadata = 0;
- /* Always enable FUA for data integrity */
- c.rw.control |= NVME_RW_FUA;
- while (total_lbas) { if (total_lbas < lbas) { lbas = (u16)total_lbas;