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Commit 97720706 authored by Derek Basehore's avatar Derek Basehore Committed by Lee Jones
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i2c: i2c-cros-ec-tunnel: Set retries to 3 



Since the i2c bus can get wedged on the EC sometimes, set the number of retries
to 3. Since we un-wedge the bus immediately after the wedge happens, this is the
correct fix since only one transfer will fail.

Signed-off-by: default avatarDerek Basehore <dbasehore@chromium.org>
Reviewed-by: default avatarDoug Anderson <dianders@chromium.org>
Acked-by: default avatarWolfram Sang <wsa@the-dreams.de>
Signed-off-by: default avatarJavier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 63427530

drivers/i2c/busses/i2c-cros-ec-tunnel.c

+3 −0
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 
#include <linux/platform_device.h>

#include <linux/slab.h>



#define I2C_MAX_RETRIES 3



/**

 * struct ec_i2c_device - Driver data for I2C tunnel

 *
@@ -290,6 +292,7 @@ static int ec_i2c_probe(struct platform_device *pdev) 
	bus->adap.algo_data = bus;

	bus->adap.dev.parent = &pdev->dev;

	bus->adap.dev.of_node = np;

	bus->adap.retries = I2C_MAX_RETRIES;



	err = i2c_add_adapter(&bus->adap);

	if (err) {