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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




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