39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
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From 8aff77d4ceea809da273b68763aea737ed81da38 Mon Sep 17 00:00:00 2001
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From: Guiding Li <liguiding1@xiaomi.com>
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Date: Tue, 2 Aug 2022 11:12:19 +0800
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Subject: [PATCH 09/12] openamp: firstly take all buffer from shram pool
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1. the memory already alloced for shram
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2. this can help dump the right free cnt
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Signed-off-by: Guiding Li <liguiding1@xiaomi.com>
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---
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lib/rpmsg/rpmsg_virtio.c | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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diff --git a/lib/rpmsg/rpmsg_virtio.c open-amp/lib/rpmsg/rpmsg_virtio.c
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index 92f5883..4f26b01 100644
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--- a/lib/rpmsg/rpmsg_virtio.c
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+++ open-amp/lib/rpmsg/rpmsg_virtio.c
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@@ -154,12 +154,13 @@ static void *rpmsg_virtio_get_tx_buffer(struct rpmsg_virtio_device *rvdev,
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#ifndef VIRTIO_DEVICE_ONLY
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if (role == RPMSG_HOST) {
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- data = virtqueue_get_buffer(rvdev->svq, len, idx);
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- if (!data && rvdev->svq->vq_free_cnt) {
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- data = rpmsg_virtio_shm_pool_get_buffer(rvdev->shpool,
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- rvdev->config.h2r_buf_size);
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+ data = rpmsg_virtio_shm_pool_get_buffer(rvdev->shpool,
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+ rvdev->config.h2r_buf_size);
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+ if (data) {
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*len = rvdev->config.h2r_buf_size;
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*idx = 0;
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+ } else {
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+ data = virtqueue_get_buffer(rvdev->svq, len, idx);
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}
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}
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#endif /*!VIRTIO_DEVICE_ONLY*/
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--
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2.25.1
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