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[PATCH 08/25] block/nvme: Simplify device reset
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 08/25] block/nvme: Simplify device reset |
Date: |
Tue, 27 Oct 2020 14:55:30 +0100 |
Avoid multiple endianess conversion by using device endianess.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
block/nvme.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/nvme.c b/block/nvme.c
index e95d59d3126..be14350f959 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -755,7 +755,7 @@ static int nvme_init(BlockDriverState *bs, const char
*device, int namespace,
timeout_ms = MIN(500 * NVME_CAP_TO(cap), 30000);
/* Reset device to get a clean state. */
- regs->cc = cpu_to_le32(le32_to_cpu(regs->cc) & 0xFE);
+ regs->cc &= const_le32(0xFE);
/* Wait for CSTS.RDY = 0. */
deadline = qemu_clock_get_ns(QEMU_CLOCK_REALTIME) + timeout_ms * SCALE_MS;
while (NVME_CSTS_RDY(le32_to_cpu(regs->csts))) {
--
2.26.2
- Re: [PATCH 06/25] block/nvme: Improve nvme_free_req_queue_wait() trace information, (continued)
[PATCH 12/25] block/nvme: Make nvme_init_queue() return boolean indicating error, Philippe Mathieu-Daudé, 2020/10/27
[PATCH 13/25] block/nvme: Introduce Completion Queue definitions, Philippe Mathieu-Daudé, 2020/10/27