Commit 9dbd9962 authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Mathieu Poirier
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remoteproc: mediatek: Zero out only remaining bytes of IPI buffer 



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: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240520112724.139945-1-angelogioacchino.delregno@collabora.com


Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
parent 1613e604

drivers/remoteproc/mtk_scp.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

	handler(scp->share_buf, len, ipi_desc[id].priv);

	scp_ipi_unlock(scp, id);