drivers/usb/host/ohci-exynos.c

File Facts

System

Linux kernel

Corpus path

drivers/usb/host/ohci-exynos.c

Extension

.c

Size

6918 bytes

Lines

293

Domain

Driver Families

Bucket

drivers/usb

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.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/clk.h
• linux/dma-mapping.h
• linux/io.h
• linux/kernel.h
• linux/module.h
• linux/of.h
• linux/platform_device.h
• linux/phy/phy.h
• linux/usb.h
• linux/usb/hcd.h
• ohci.h

Detected Declarations

• struct exynos_ohci_hcd
• function exynos_ohci_get_phy
• function exynos_ohci_phy_enable
• function exynos_ohci_phy_disable
• function exynos_ohci_probe
• function exynos_ohci_remove
• function exynos_ohci_shutdown
• function exynos_ohci_suspend
• function exynos_ohci_resume
• function ohci_exynos_init
• function ohci_exynos_cleanup
• module init ohci_exynos_init

Annotated Snippet

module_init(ohci_exynos_init);

static void __exit ohci_exynos_cleanup(void)
{
	platform_driver_unregister(&exynos_ohci_driver);
}
module_exit(ohci_exynos_cleanup);

MODULE_ALIAS("platform:exynos-ohci");
MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
MODULE_DESCRIPTION("OHCI support for Samsung S5P/Exynos SoC Series");
MODULE_LICENSE("GPL v2");

Annotation

• Immediate include surface: `linux/clk.h`, `linux/dma-mapping.h`, `linux/io.h`, `linux/kernel.h`, `linux/module.h`, `linux/of.h`, `linux/platform_device.h`, `linux/phy/phy.h`.
• Detected declarations: `struct exynos_ohci_hcd`, `function exynos_ohci_get_phy`, `function exynos_ohci_phy_enable`, `function exynos_ohci_phy_disable`, `function exynos_ohci_probe`, `function exynos_ohci_remove`, `function exynos_ohci_shutdown`, `function exynos_ohci_suspend`, `function exynos_ohci_resume`, `function ohci_exynos_init`.
• Atlas domain: Driver Families / drivers/usb.
• Implementation status: integration implementation candidate.

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.