Commit 305e198e authored Oct 20, 2022 by Jun Lin Committed by Stephanos Ioannidis Oct 22, 2022

driver: i2c: npcx: do bus recovery when the transaction timeout

When there is a timeout for an i2c transaction, the i2c driver should do
the recovery logic to make the bus and driver state machine go back to
idle. Otherwise, it will cause the following transaction to fail because
the state machine keeps in an inappropriate state.

Signed-off-by: Jun Lin <CHLin56@nuvoton.com>

parent 05455c3d

drivers/i2c/i2c_npcx_controller.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1011,7 +1011,7 @@ int npcx_i2c_ctrl_transfer(const struct device i2c_dev, struct i2c_msg msgs,
		}
		}

		if (data->oper_state == NPCX_I2C_ERROR_RECOVERY) {
		if (data->oper_state == NPCX_I2C_ERROR_RECOVERY \|\| ret == -ETIMEDOUT) {
		int recovery_error = i2c_ctrl_recovery(i2c_dev);
		/*
		* Recovery failed, return it immediately. Otherwise, the upper

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