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diff --git a/chip/g/system_chip.h b/chip/g/system_chip.h
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-/* Copyright 2017 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* chip/g-specific system function prototypes */
-
-#ifndef __CROS_EC_SYSTEM_CHIP_H
-#define __CROS_EC_SYSTEM_CHIP_H
-
-/**
- * On systems with protection from a failing RW update: read the retry counter
- * and act on it.
- *
- * @return EC_SUCCESS if no flash write errors were encounterd.
- */
-int system_process_retry_counter(void);
-
-/**
- * On systems with protection from a failing RW update: reset retry
- * counter, this is used after a new image upload is finished, to make
- * sure that the new image has a chance to run.
- */
-void system_clear_retry_counter(void);
-
-/**
- * A function provided by some platforms to decrement a retry counter.
- *
- * This should be used whenever a system reset is manually triggered.
- */
-void system_decrement_retry_counter(void);
-
-/**
- * A function provided by some platforms to hint that something is going
- * wrong.
- *
- * @return a boolean, set to True if rolling reboot condition is suspected.
- */
-int system_rolling_reboot_suspected(void);
-
-/**
- * Returns True if a rollback was detected during system_preinit.
- *
- * system_rollback_detected only returns True from rollback until the AP boots
- * and then enters deep sleep. The system won't know that it rolled back on
- * resume from deep sleep.
- *
- * @return a boolean, set to True if a rollback is detected.
- */
-int system_rollback_detected(void);
-
-/**
- * Returns non-zero value when firmware is expected to be abe to detect user
- * request to cut off battery supply.
- */
-int system_battery_cutoff_support_required(void);
-
-/**
- * Functions to update INFO1 rollback mask based on one or both RW image
- * headers.
- */
-void system_update_rollback_mask_with_active_img(void);
-void system_update_rollback_mask_with_both_imgs(void);
-
-/**
- * Scan INFO1 rollback map and infomap fields of both RW and RW_B image
- * headers, and return a string showing how many zeros are there at the base
- * of in each of these objects.
- *
- * The passed in parameters are the memory area to put the string in and the
- * size of this memory area.
- */
-void system_get_rollback_bits(char *value, size_t value_size);
-
-/**
- * Set the rollback counter to a value which would ensure a rollback on the
- * next boot.
- */
-void system_ensure_rollback(void);
-
-/**
- * Enables holding external pins across soft chip resets. Application firmware
- * is responsible for disengaging pinhold upon reset.
- */
-void system_pinhold_on_reset_enable(void);
-
-/**
- * Disables holding external pins across soft chip resets.
- */
-void system_pinhold_on_reset_disable(void);
-
-/**
- * Disengages pinhold if engaged.
- */
-void system_pinhold_disengage(void);
-
-#endif /* __CROS_EC_SYSTEM_CHIP_H */