On Mon, May 20, 2024 at 01:27:24PM +0200, AngeloGioacchino Del Regno wrote: > In scp_ipi_handler(), instead of zeroing out the entire shared > buffer, which may be as large as 600 bytes, overwrite it with the > received data, then zero out only the remaining bytes. > > Signed-off-by: AngeloGioacchino Del Regno > <angelogioacchino.delre...@collabora.com> > --- > drivers/remoteproc/mtk_scp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c > index e5214d43181e..dc70cf7db44d 100644 > --- a/drivers/remoteproc/mtk_scp.c > +++ b/drivers/remoteproc/mtk_scp.c > @@ -117,8 +117,8 @@ static void scp_ipi_handler(struct mtk_scp *scp) > return; > } > > - memset(scp->share_buf, 0, scp_sizes->ipi_share_buffer_size); > memcpy_fromio(scp->share_buf, &rcv_obj->share_buf, len); > + memset(&scp->share_buf[len], 0, scp_sizes->ipi_share_buffer_size - len);
I will apply this patch when rc1 comes out next week. Thanks, Mathieu > handler(scp->share_buf, len, ipi_desc[id].priv); > scp_ipi_unlock(scp, id); > > -- > 2.45.1 >
