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Commit 75185416 authored by Zhen Kong's avatar Zhen Kong Committed by AnilKumar Chimata
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qseecom: invalidate listener buffer cache when get listener request 



Invalidate listener buffer cache when getting listener request
from TZ, so HLOS listener thread can read data correctly.

Change-Id: Ie2ddbb1534d7cbd2d9cef949c3819e353eefd892
Signed-off-by: default avatarZhen Kong <zkong@codeaurora.org>
Signed-off-by: default avatarAnilKumar Chimata <anilc@codeaurora.org>
parent 77a38928

drivers/misc/qseecom.c

+16 −0
Original line number Diff line number Diff line
@@ -1949,6 +1949,14 @@ static int __qseecom_process_incomplete_cmd(struct qseecom_dev_handle *data, 
			if (ptr_svc->svc.listener_id == lstnr) {

				ptr_svc->listener_in_use = true;

				ptr_svc->rcv_req_flag = 1;

				ret = qseecom_dmabuf_cache_operations(

					ptr_svc->dmabuf,

					QSEECOM_CACHE_INVALIDATE);

				if (ret) {

					rc = -EINVAL;

					status = QSEOS_RESULT_FAILURE;

					goto err_resp;

				}

				wake_up_interruptible(&ptr_svc->rcv_req_wq);

				break;

			}
@@ -2284,6 +2292,14 @@ static int __qseecom_reentrancy_process_incomplete_cmd( 
			if (ptr_svc->svc.listener_id == lstnr) {

				ptr_svc->listener_in_use = true;

				ptr_svc->rcv_req_flag = 1;

				ret = qseecom_dmabuf_cache_operations(

					ptr_svc->dmabuf,

					QSEECOM_CACHE_INVALIDATE);

				if (ret) {

					rc = -EINVAL;

					status = QSEOS_RESULT_FAILURE;

					goto err_resp;

				}

				wake_up_interruptible(&ptr_svc->rcv_req_wq);

				break;

			}