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authorJavier Martinez Canillas <javier.martinez@collabora.co.uk>2015-06-09 13:04:44 +0200
committerLee Jones <lee.jones@linaro.org>2015-06-15 13:18:20 +0100
commit062476f24aa7cf714169342cc50626fd9bbb93da (patch)
tree5af8fcb6bacea36579c79929a57b572d14982691 /drivers/platform/chrome/Kconfig
parentmfd: cros_ec: rev cros_ec_commands.h (diff)
downloadlinux-dev-062476f24aa7cf714169342cc50626fd9bbb93da.tar.xz
linux-dev-062476f24aa7cf714169342cc50626fd9bbb93da.zip
mfd: cros_ec: Move protocol helpers out of the MFD driver
The MFD driver should only have the logic to instantiate its child devices and setup any shared resources that will be used by the subdevices drivers. The cros_ec MFD is more complex than expected since it also has helpers to communicate with the EC. So the driver will only get more bigger as other protocols are supported in the future. So move the communication protocol helpers to its own driver as drivers/platform/chrome/cros_ec_proto.c. Suggested-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Tested-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/platform/chrome/Kconfig')
-rw-r--r--drivers/platform/chrome/Kconfig9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
index 2a6531a5fde8..cb1329919527 100644
--- a/drivers/platform/chrome/Kconfig
+++ b/drivers/platform/chrome/Kconfig
@@ -40,7 +40,7 @@ config CHROMEOS_PSTORE
config CROS_EC_CHARDEV
tristate "Chrome OS Embedded Controller userspace device interface"
- depends on MFD_CROS_EC
+ depends on CROS_EC_PROTO
---help---
This driver adds support to talk with the ChromeOS EC from userspace.
@@ -49,7 +49,7 @@ config CROS_EC_CHARDEV
config CROS_EC_LPC
tristate "ChromeOS Embedded Controller (LPC)"
- depends on MFD_CROS_EC && (X86 || COMPILE_TEST)
+ depends on MFD_CROS_EC && CROS_EC_PROTO && (X86 || COMPILE_TEST)
help
If you say Y here, you get support for talking to the ChromeOS EC
over an LPC bus. This uses a simple byte-level protocol with a
@@ -59,4 +59,9 @@ config CROS_EC_LPC
To compile this driver as a module, choose M here: the
module will be called cros_ec_lpc.
+config CROS_EC_PROTO
+ bool
+ help
+ ChromeOS EC communication protocol helpers.
+
endif # CHROMEOS_PLATFORMS