linux-kernel - [PATCH] misc: fastrpc: Update number of max fastrpc sessions

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Message-Id: <1632123274-32054-1-git-send-email-jeyr@codeaurora.org>
Date:   Mon, 20 Sep 2021 13:04:34 +0530
From:   Jeya R <jeyr@...eaurora.org>
To:     linux-arm-msm@...r.kernel.org, srinivas.kandagatla@...aro.org
Cc:     Jeya R <jeyr@...eaurora.org>, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, fastrpc.upstream@....qualcomm.com
Subject: [PATCH] misc: fastrpc: Update number of max fastrpc sessions

For latest chipsets, upto 13 fastrpc sessions can be
supported. This includes 12 compute sessions and 1 cpz
session. Not updating this might result to out of bounds
memory access issues if more than 9 context bank nodes
are added to the DT file.

Signed-off-by: Jeya R <jeyr@...eaurora.org>
---
 drivers/misc/fastrpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index beda610..bd7811e 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -24,7 +24,7 @@
 #define SDSP_DOMAIN_ID (2)
 #define CDSP_DOMAIN_ID (3)
 #define FASTRPC_DEV_MAX		4 /* adsp, mdsp, slpi, cdsp*/
-#define FASTRPC_MAX_SESSIONS	9 /*8 compute, 1 cpz*/
+#define FASTRPC_MAX_SESSIONS	13 /*12 compute, 1 cpz*/
 #define FASTRPC_ALIGN		128
 #define FASTRPC_MAX_FDLIST	16
 #define FASTRPC_MAX_CRCLIST	64
-- 
2.7.4