linux-kernel - [PATCH 2/2] staging: vchiq: Add details to $CONFIG_VCHIQ

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Message-Id: <9c9c128b41e31d6bebe646e052aa05c44b19eb83.1627495116.git.ojaswin98@gmail.com>
Date:   Thu, 29 Jul 2021 00:07:17 +0530
From:   Ojaswin Mujoo <ojaswin98@...il.com>
To:     nsaenz@...nel.org, gregkh@...uxfoundation.org,
        stefan.wahren@...e.com
Cc:     dan.carpenter@...cle.com, phil@...pberrypi.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] staging: vchiq: Add details to $CONFIG_VCHIQ_CDEV help text

Add some details to the Kconfig definition of $CONFIG_VCHIQ_CDEV to help
make the motive behind it a bit more clear.

Signed-off-by: Ojaswin Mujoo <ojaswin98@...il.com>
---
 drivers/staging/vc04_services/Kconfig | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/vc04_services/Kconfig b/drivers/staging/vc04_services/Kconfig
index 2b70c37cdd09..cb02d8a4cb74 100644
--- a/drivers/staging/vc04_services/Kconfig
+++ b/drivers/staging/vc04_services/Kconfig
@@ -25,8 +25,12 @@ config VCHIQ_CDEV
 	bool "VCHIQ Character Driver"
 	default y
 	help
-		Enable the creation of VCHIQ character driver to help
-		communicate with the Videocore platform.
+		Enable the creation of VCHIQ character driver to help communicate
+		with the VideoCore platform. The cdev exposes ioctls used by
+		userspace libraries and testing tools to interact with VideoCore.
+		This can be set to 'N' if the VideoCore communication is not needed
+		by userspace but only by other kernel modules (like bcm2835-audio).
+		If not sure, set this to 'Y'.
 
 endif
 
-- 
2.25.1