drivers/mfd/sprd-sc27xx-spi.c
Source file repositories/reference/linux-study-clean/drivers/mfd/sprd-sc27xx-spi.c
File Facts
- System
- Linux kernel
- Corpus path
drivers/mfd/sprd-sc27xx-spi.c- Extension
.c- Size
- 8849 bytes
- Lines
- 326
- Domain
- Driver Families
- Bucket
- drivers/mfd
- 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.
- 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/interrupt.hlinux/kernel.hlinux/module.hlinux/mfd/core.hlinux/mfd/sc27xx-pmic.hlinux/of.hlinux/of_platform.hlinux/regmap.hlinux/spi/spi.huapi/linux/usb/charger.h
Detected Declarations
struct sprd_pmicstruct sprd_pmic_dataenum sprd_pmic_typefunction sprd_pmic_detect_charger_typefunction sprd_pmic_spi_writefunction sprd_pmic_spi_readfunction sprd_pmic_probefunction sprd_pmic_suspendfunction sprd_pmic_resumefunction sprd_pmic_initfunction sprd_pmic_exitmodule init sprd_pmic_initexport sprd_pmic_detect_charger_type
Annotated Snippet
subsys_initcall(sprd_pmic_init);
static void __exit sprd_pmic_exit(void)
{
spi_unregister_driver(&sprd_pmic_driver);
}
module_exit(sprd_pmic_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Spreadtrum SC27xx PMICs driver");
MODULE_AUTHOR("Baolin Wang <baolin.wang@spreadtrum.com>");Annotation
- Immediate include surface: `linux/interrupt.h`, `linux/kernel.h`, `linux/module.h`, `linux/mfd/core.h`, `linux/mfd/sc27xx-pmic.h`, `linux/of.h`, `linux/of_platform.h`, `linux/regmap.h`.
- Detected declarations: `struct sprd_pmic`, `struct sprd_pmic_data`, `enum sprd_pmic_type`, `function sprd_pmic_detect_charger_type`, `function sprd_pmic_spi_write`, `function sprd_pmic_spi_read`, `function sprd_pmic_probe`, `function sprd_pmic_suspend`, `function sprd_pmic_resume`, `function sprd_pmic_init`.
- Atlas domain: Driver Families / drivers/mfd.
- 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.