diff options
Diffstat (limited to 'gcip-kernel-driver/include/gcip/gcip-firmware.h')
| -rw-r--r-- | gcip-kernel-driver/include/gcip/gcip-firmware.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/gcip-kernel-driver/include/gcip/gcip-firmware.h b/gcip-kernel-driver/include/gcip/gcip-firmware.h index 8cf4353..52f5d11 100644 --- a/gcip-kernel-driver/include/gcip/gcip-firmware.h +++ b/gcip-kernel-driver/include/gcip/gcip-firmware.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 */ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * GCIP firmware interface. * @@ -44,9 +44,10 @@ enum gcip_fw_flavor { GCIP_FW_FLAVOR_CUSTOM = 4, }; -/* Type of firmware crash which will be sent by GCIP_RKCI_FIRMWARE_CRASH RKCI command. */ +/* Type of firmware crash. */ enum gcip_fw_crash_type { - /* Assert happened. */ + /* Type which will be sent by GCIP_RKCI_FIRMWARE_CRASH reverse KCI. */ + /*Assert happened. */ GCIP_FW_CRASH_ASSERT_FAIL = 0, /* Data abort exception. */ GCIP_FW_CRASH_DATA_ABORT = 1, @@ -58,6 +59,9 @@ enum gcip_fw_crash_type { GCIP_FW_CRASH_UNRECOVERABLE_FAULT = 4, /* Used in debug dump. */ GCIP_FW_CRASH_DUMMY_CRASH_TYPE = 0xFF, + + /* HW watchdog timeout. */ + GCIP_FW_CRASH_HW_WDG_TIMEOUT = 0x100, }; /* Firmware info filled out via KCI FIRMWARE_INFO command. */ @@ -80,7 +84,9 @@ struct gcip_fw_tracing { * Lock to protect the struct members listed below. * * Note that since the request of tracing level adjusting might happen during power state - * transitions, this lock must be acquired after holding the pm lock to avoid deadlock. + * transitions (i.e., another thread calling gcip_firmware_tracing_restore_on_powering() + * with pm lock held), one must either use the non-blocking gcip_pm_get_if_powered() or make + * sure there won't be any new power transition after holding this lock to prevent deadlock. */ struct mutex lock; /* Actual firmware tracing level. */ @@ -123,6 +129,6 @@ void gcip_firmware_tracing_destroy(struct gcip_fw_tracing *fw_tracing); * This function is designed to restore the firmware tracing level during power management calls and * thus it assumes the caller holds the pm lock. */ -int gcip_firmware_tracing_restore(struct gcip_fw_tracing *fw_tracing); +int gcip_firmware_tracing_restore_on_powering(struct gcip_fw_tracing *fw_tracing); #endif /* __GCIP_FIRMWARE_H__ */ |