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drivers/nvme: Make sure PRP2 value is encoded in little endian.

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To avoid issue in address translation when CPU is running in big endian.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2023-09-15 12:21:34 +02:00 • committed by Carles Cufí
commit f21760252a
1 changed files with 2 additions and 2 deletions
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4
drivers/disk/nvme/nvme_cmd.c
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@ -591,9 +591,9 @@ static int nvme_cmd_qpair_fill_dptr(struct nvme_cmd_qpair *qpair,
request->cmd.dptr.prp1 = request->cmd.dptr.prp1 =
(uint64_t)sys_cpu_to_le64(request->payload); (uint64_t)sys_cpu_to_le64(request->payload);
if ((uintptr_t)request->payload & NVME_PBAO_MASK) { if ((uintptr_t)request->payload & NVME_PBAO_MASK) {
request->cmd.dptr.prp2 = request->cmd.dptr.prp2 = (uint64_t)sys_cpu_to_le64(
NVME_PRP_NEXT_PAGE( NVME_PRP_NEXT_PAGE(
(uintptr_t)request->payload); (uintptr_t)request->payload));
} else { } else {
request->cmd.dptr.prp2 = 0; request->cmd.dptr.prp2 = 0;
} }