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rpmsg: add rpmsg support for mt8183 SCP.

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Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.

Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Link: https://lore.kernel.org/r/20191112110330.179649-4-pihsun@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Pi-Hsun Shih
2019-11-12 19:03:26 +08:00
committed by Bjorn Andersson
parent 63c13d61ea
commit 7017996951
9 changed files with 525 additions and 5 deletions
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1
drivers/remoteproc/mtk_scp_ipi.c
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@@ -162,6 +162,7 @@ int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len,
int ret;
if (WARN_ON(id <= SCP_IPI_INIT) || WARN_ON(id >= SCP_IPI_MAX) ||
WARN_ON(id == SCP_IPI_NS_SERVICE) ||
WARN_ON(len > sizeof(send_obj->share_buf)) || WARN_ON(!buf))
return -EINVAL;