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authorStephen Barber <smbarber@chromium.org>2015-06-09 14:04:46 +0300
committerLee Jones <lee.jones@linaro.org>2015-06-15 15:18:22 +0300
commitd365407079d33106f76bd486a863de05eb5ae95d (patch)
tree46cc169453a614fee690d5ce9df51ed992222c4c /include/linux/mfd/cros_ec.h
parent2c7589af3c4dee844e6a4174f2aa8996cf837604 (diff)
downloadlinux-d365407079d33106f76bd486a863de05eb5ae95d.tar.xz
mfd: cros_ec: add bus-specific proto v3 code
Add proto v3 support to the SPI, I2C, and LPC. Signed-off-by: Stephen Barber <smbarber@chromium.org> Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Tested-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Gwendal Grignou <gwendal@chromium.org> Tested-by: Gwendal Grignou <gwendal@chromium.org> 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 'include/linux/mfd/cros_ec.h')
-rw-r--r--include/linux/mfd/cros_ec.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
index 59d909434efd..92e13aaa450c 100644
--- a/include/linux/mfd/cros_ec.h
+++ b/include/linux/mfd/cros_ec.h
@@ -22,6 +22,12 @@
#include <linux/mutex.h>
/*
+ * The EC is unresponsive for a time after a reboot command. Add a
+ * simple delay to make sure that the bus stays locked.
+ */
+#define EC_REBOOT_DELAY_MS 50
+
+/*
* Max bus-specific overhead incurred by request/responses.
* I2C requires 1 additional byte for requests.
* I2C requires 2 additional bytes for responses.