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Date: Thu, 5 May 2022 04:50:01 +0000
From: Oleksandr Tymoshenko <ovt@...gle.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
linux-kernel@...r.kernel.org
Cc: Oleksandr Tymoshenko <ovt@...gle.com>
Subject: [PATCH] dma-buf: add option text so it can be enabled by users
This reverts commit 3b32a592ea6e4 ("dma-buf: drop option text so users
don't select it.") to allow users select DMA_SHARED_BUFFER option
explicitly. This is required for out-of-tree modules that depend on
dma-buf functionality, for instance drivers that rely on Google's Gasket
framework.
On general-purpose Linux systems the option is usually implicitely
enabled in the default kernel config by subsystems that use it but
systems with smaller kernel footprint have to rely on side-effects
from enabling unrelated options to get dma-buf functionality built.
Signed-off-by: Oleksandr Tymoshenko <ovt@...gle.com>
---
drivers/base/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index 6f04b831a5c0..108bf9b38ce6 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -198,7 +198,7 @@ config SOC_BUS
source "drivers/base/regmap/Kconfig"
config DMA_SHARED_BUFFER
- bool
+ bool "Buffer framework to be shared between drivers"
default n
select IRQ_WORK
help
--
2.36.0.464.gb9c8b46e94-goog
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