diff options
| author | Mark Brown <broonie@kernel.org> | 2025-05-20 10:34:09 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2025-05-20 10:34:09 +0100 |
| commit | 831962e9d7b774d858cfeefc3848e06a2d5599df (patch) | |
| tree | c66522409bd3913a89a7ac3d37459d6bb78ee8b8 /net/core/devmem.c | |
| parent | e4dca67b2463e6abe775876c9cb049ea5b1c8e0d (diff) | |
| parent | 5b5bf5922f4c104e4e829c0dbfdd9399b7cfc434 (diff) | |
Add sound card support for QCS9100 and QCS9075
Merge series from Mohammad Rafi Shaik <mohammad.rafi.shaik@oss.qualcomm.com>:
This patchset adds support for sound card on Qualcomm QCS9100 and
QCS9075 boards.
Diffstat (limited to 'net/core/devmem.c')
| -rw-r--r-- | net/core/devmem.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/devmem.c b/net/core/devmem.c index 6e27a47d0493..2db428ab6b8b 100644 --- a/net/core/devmem.c +++ b/net/core/devmem.c @@ -200,6 +200,8 @@ net_devmem_bind_dmabuf(struct net_device *dev, unsigned int dmabuf_fd, refcount_set(&binding->ref, 1); + mutex_init(&binding->lock); + binding->dmabuf = dmabuf; binding->attachment = dma_buf_attach(binding->dmabuf, dev->dev.parent); @@ -379,6 +381,11 @@ static void mp_dmabuf_devmem_uninstall(void *mp_priv, xa_for_each(&binding->bound_rxqs, xa_idx, bound_rxq) { if (bound_rxq == rxq) { xa_erase(&binding->bound_rxqs, xa_idx); + if (xa_empty(&binding->bound_rxqs)) { + mutex_lock(&binding->lock); + binding->dev = NULL; + mutex_unlock(&binding->lock); + } break; } } |