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nvme: Enable FUA

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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 commit is contained in:
Jon Lin 2021-10-19 10:40:53 +08:00 committed by Tom Rini
parent 4f2e228086
commit b6bfb8971d
1 changed files with 4 additions and 0 deletions
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4
drivers/nvme/nvme.c
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@ -762,6 +762,10 @@ static ulong nvme_blk_rw(struct udevice *udev, lbaint_t blknr,
c.rw.appmask = 0;
c.rw.metadata = 0;
/* Enable FUA for data integrity if vwc is enabled */
if (dev->vwc)
c.rw.control |= NVME_RW_FUA;
while (total_lbas) {
if (total_lbas < lbas) {
lbas = (u16)total_lbas;