Thread (11 messages) 11 messages, 3 authors, 2021-07-29
STALE1777d

[PATCH 2/2] staging: vchiq: Add details to $CONFIG_VCHIQ_CDEV help text

From: Ojaswin Mujoo <hidden>
Date: 2021-07-28 18:37:39
Also in: linux-arm-kernel, lkml
Subsystem: staging subsystem, the rest · Maintainers: Greg Kroah-Hartman, Linus Torvalds

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 <redacted>
---
 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
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