soc: apple: rtkit: Make shmem_destroy optional

shmem_destroy isn't always required for coprocessor-managed buffers but we
still enforce that it exists. Just relax the check.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Sven Peter <sven@kernel.org>
Link: https://lore.kernel.org/r/20250610-smc-6-15-v7-4-556cafd771d3@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/soc/apple/rtkit.c b/drivers/soc/apple/rtkit.c
index 5fffd0f003dc2f4f377faf96cce0c1ce4ff0b788..b8d4da147d23f7e99e76eea314e4d976cddbd1c6 100644 (file)
--- a/drivers/soc/apple/rtkit.c
+++ b/drivers/soc/apple/rtkit.c
@@ -279,8 +279,7 @@ static int apple_rtkit_common_rx_get_buffer(struct apple_rtkit *rtk,
        dev_dbg(rtk->dev, "RTKit: buffer request for 0x%zx bytes at %pad\n",
                buffer->size, &buffer->iova);
 
-       if (buffer->iova &&
-           (!rtk->ops->shmem_setup || !rtk->ops->shmem_destroy)) {
+       if (buffer->iova && !rtk->ops->shmem_setup) {
                err = -EINVAL;
                goto error;
        }