drivers/staging/greybus/arche-platform.c

File Facts

System

Linux kernel

Corpus path

drivers/staging/greybus/arche-platform.c

Extension

.c

Size

18012 bytes

Lines

654

Domain

Driver Families

Bucket

drivers/staging

Inferred role

Driver Families: exported/initcall integration point

Status

integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

• Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.
• Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
• Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
• Touches IRQ or DMA behavior; this matters for the representative real-device path.
• Allocates kernel memory; connect allocation flags and lifetime to context constraints.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/clk.h
• linux/delay.h
• linux/gpio/consumer.h
• linux/init.h
• linux/module.h
• linux/of_platform.h
• linux/pinctrl/consumer.h
• linux/platform_device.h
• linux/pm.h
• linux/interrupt.h
• linux/irq.h
• linux/suspend.h
• linux/time.h
• linux/greybus.h
• linux/of.h
• arche_platform.h
• linux/usb/usb3613.h

Detected Declarations

• struct arche_platform_drvdata
• enum svc_wakedetect_state
• function usb3613_hub_mode_ctrl
• function arche_platform_set_state
• function arche_platform_set_wake_detect_state
• function svc_reset_onoff
• function apb_cold_boot
• function apb_poweroff
• function arche_platform_wd_irq_en
• function arche_platform_wd_irq_thread
• function arche_platform_wd_irq
• function arche_platform_coldboot_seq
• function arche_platform_fw_flashing_seq
• function arche_platform_poweroff_seq
• function state_store
• function state_show
• function arche_platform_pm_notifier
• function arche_platform_probe
• function arche_platform_remove
• function arche_platform_suspend
• function arche_platform_resume
• function arche_platform_shutdown
• function arche_init
• function arche_exit
• module init arche_init

Annotated Snippet

module_init(arche_init);

static void __exit arche_exit(void)
{
	arche_apb_exit();
	platform_driver_unregister(&arche_platform_device_driver);
}
module_exit(arche_exit);

MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Vaibhav Hiremath <vaibhav.hiremath@linaro.org>");
MODULE_DESCRIPTION("Arche Platform Driver");

Annotation

• Immediate include surface: `linux/clk.h`, `linux/delay.h`, `linux/gpio/consumer.h`, `linux/init.h`, `linux/module.h`, `linux/of_platform.h`, `linux/pinctrl/consumer.h`, `linux/platform_device.h`.
• Detected declarations: `struct arche_platform_drvdata`, `enum svc_wakedetect_state`, `function usb3613_hub_mode_ctrl`, `function arche_platform_set_state`, `function arche_platform_set_wake_detect_state`, `function svc_reset_onoff`, `function apb_cold_boot`, `function apb_poweroff`, `function arche_platform_wd_irq_en`, `function arche_platform_wd_irq_thread`.
• Atlas domain: Driver Families / drivers/staging.
• Implementation status: integration implementation candidate.
• Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.
• IRQ or DMA behavior appears here, which is relevant to the selected PCIe/NVMe device path.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.