drivers/mmc/host/sdhci-pci-core.c

File Facts

System

Linux kernel

Corpus path

drivers/mmc/host/sdhci-pci-core.c

Extension

.c

Size

61934 bytes

Lines

2402

Domain

Driver Families

Bucket

drivers/mmc

Inferred role

Driver Families: operation-table or driver-model contract

Status

pattern 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.
• Defines an operation table; this is where Linux turns generic core objects into subsystem-specific behavior.
• 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/bitfield.h
• linux/string.h
• linux/delay.h
• linux/highmem.h
• linux/module.h
• linux/pci.h
• linux/dma-mapping.h
• linux/slab.h
• linux/device.h
• linux/scatterlist.h
• linux/io.h
• linux/iopoll.h
• linux/gpio/machine.h
• linux/pm_runtime.h
• linux/pm_qos.h
• linux/debugfs.h
• linux/acpi.h
• linux/dmi.h
• linux/mmc/host.h
• linux/mmc/mmc.h
• linux/mmc/slot-gpio.h
• asm/iosf_mbi.h
• cqhci.h
• sdhci.h
• sdhci-cqhci.h
• sdhci-pci.h
• sdhci-uhs2.h

Detected Declarations

• struct intel_host
• enum amd_chipset_gen
• function sdhci_pci_init_wakeup
• function sdhci_pci_suspend_host
• function sdhci_pci_resume_host
• function sdhci_cqhci_suspend
• function sdhci_cqhci_resume
• function sdhci_pci_runtime_suspend_host
• function sdhci_pci_runtime_resume_host
• function sdhci_cqhci_runtime_suspend
• function sdhci_cqhci_runtime_resume
• function sdhci_cqhci_irq
• function sdhci_pci_dumpregs
• function ricoh_probe
• function ricoh_mmc_probe_slot
• function ricoh_mmc_resume
• function ene_714_set_ios
• function ene_714_probe_slot
• function mrst_hc_probe_slot
• function mrst_hc_probe
• function pch_hc_probe_slot
• function mfd_emmc_probe_slot
• function mfd_sdio_probe_slot
• function byt_ocp_setting
• function byt_ocp_setting
• function __intel_dsm
• function intel_dsm
• function intel_dsm_init
• function sdhci_pci_int_hw_reset
• function intel_select_drive_strength
• function bxt_get_cd
• function mrfld_get_cd
• function sdhci_intel_set_power
• function sdhci_intel_set_uhs_signaling
• function intel_hs400_enhanced_strobe
• function intel_start_signal_voltage_switch
• function sdhci_intel_set_clock
• function byt_read_dsm
• function intel_execute_tuning
• function intel_cache_ltr
• function intel_ltr_set
• function intel_use_ltr
• function intel_ltr_expose
• function intel_ltr_hide
• function byt_probe_slot
• function byt_add_debugfs
• function byt_add_host
• function byt_remove_slot

Annotated Snippet

static struct pci_driver sdhci_driver = {
	.name =		"sdhci-pci",
	.id_table =	pci_ids,
	.probe =	sdhci_pci_probe,
	.remove =	sdhci_pci_remove,
	.driver =	{
		.pm =   &sdhci_pci_pm_ops,
		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
	},
};

module_pci_driver(sdhci_driver);

MODULE_AUTHOR("Pierre Ossman <pierre@ossman.eu>");
MODULE_DESCRIPTION("Secure Digital Host Controller Interface PCI driver");
MODULE_LICENSE("GPL");

Annotation

• Immediate include surface: `linux/bitfield.h`, `linux/string.h`, `linux/delay.h`, `linux/highmem.h`, `linux/module.h`, `linux/pci.h`, `linux/dma-mapping.h`, `linux/slab.h`.
• Detected declarations: `struct intel_host`, `enum amd_chipset_gen`, `function sdhci_pci_init_wakeup`, `function sdhci_pci_suspend_host`, `function sdhci_pci_resume_host`, `function sdhci_cqhci_suspend`, `function sdhci_cqhci_resume`, `function sdhci_pci_runtime_suspend_host`, `function sdhci_pci_runtime_resume_host`, `function sdhci_cqhci_runtime_suspend`.
• Atlas domain: Driver Families / drivers/mmc.
• Implementation status: pattern 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.