[PATCH] firmware: scmi: Replace memcpy_from/toio() by memcpy() in scmi_read/write_resp_from_smt()

Patrice Chotard patrice.chotard at foss.st.com
Wed Feb 24 13:47:55 CET 2021


From: Patrice Chotard <patrice.chotard at st.com>

To avoid "synchronous abort" in AARCH64 in case the "from" address
is not aligned, replace memcpy_toio() and memcpy_fromio() by memcpy().

Signed-off-by: Patrice Chotard <patrice.chotard at st.com>
Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
---

 drivers/firmware/scmi/smt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/scmi/smt.c b/drivers/firmware/scmi/smt.c
index d25478796a..b001163b62 100644
--- a/drivers/firmware/scmi/smt.c
+++ b/drivers/firmware/scmi/smt.c
@@ -93,7 +93,7 @@ int scmi_write_msg_to_smt(struct udevice *dev, struct scmi_smt *smt,
 			  SMT_HEADER_PROTOCOL_ID(msg->protocol_id) |
 			  SMT_HEADER_MESSAGE_ID(msg->message_id);
 
-	memcpy_toio(hdr->msg_payload, msg->in_msg, msg->in_msg_sz);
+	memcpy(hdr->msg_payload, msg->in_msg, msg->in_msg_sz);
 
 	return 0;
 }
@@ -124,7 +124,7 @@ int scmi_read_resp_from_smt(struct udevice *dev, struct scmi_smt *smt,
 
 	/* Get the data */
 	msg->out_msg_sz = hdr->length - sizeof(hdr->msg_header);
-	memcpy_fromio(msg->out_msg, hdr->msg_payload, msg->out_msg_sz);
+	memcpy(msg->out_msg, hdr->msg_payload, msg->out_msg_sz);
 
 	return 0;
 }
-- 
2.17.1



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