From 7cecb53b5094f2606161bad469c63989b0394e86 Mon Sep 17 00:00:00 2001 From: Yong Ding Date: Mon, 4 Jun 2018 17:26:59 +0800 Subject: [PATCH] soc: qcom: scm_qcpe: use uninterruptible habmm_socket_recv() This is necessary to support scm call in system shutdown procedure. With interruptible habmm_socket_recv(), it will return immediately without blocking until the response arrives. Change-Id: Ia7ef95e4c6878a149ec373c8d2b5ae19a36f4125 Signed-off-by: Yong Ding --- drivers/soc/qcom/scm_qcpe.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/soc/qcom/scm_qcpe.c b/drivers/soc/qcom/scm_qcpe.c index f50527e50a25..614670888aac 100644 --- a/drivers/soc/qcom/scm_qcpe.c +++ b/drivers/soc/qcom/scm_qcpe.c @@ -476,7 +476,8 @@ static int scm_call_qcpe(u32 fn_id, struct scm_desc *desc) size_bytes = sizeof(smc_params); memset(&smc_params, 0x0, sizeof(smc_params)); - ret = habmm_socket_recv(handle, &smc_params, &size_bytes, 0, 0); + ret = habmm_socket_recv(handle, &smc_params, &size_bytes, 0, + HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE); if (ret) { pr_err("habmm_socket_recv failed, ret= 0x%x\n", ret); goto err_ret;