drivers/mfd/intel-lpss.c

Source file repositories/reference/linux-study-clean/drivers/mfd/intel-lpss.c

File Facts

System
Linux kernel
Corpus path
drivers/mfd/intel-lpss.c
Extension
.c
Size
14119 bytes
Lines
567
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.

Dependency Surface

Detected Declarations

Annotated Snippet

module_init(intel_lpss_init);

static void __exit intel_lpss_exit(void)
{
	ida_destroy(&intel_lpss_devid_ida);
	debugfs_remove(intel_lpss_debugfs);
}
module_exit(intel_lpss_exit);

MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
MODULE_AUTHOR("Heikki Krogerus <heikki.krogerus@linux.intel.com>");
MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@linux.intel.com>");
MODULE_DESCRIPTION("Intel LPSS core driver");
MODULE_LICENSE("GPL v2");
/*
 * Ensure the DMA driver is loaded before the host controller device appears,
 * so that the host controller driver can request its DMA channels as early
 * as possible.
 *
 * If the DMA module is not there that's OK as well.
 */
MODULE_SOFTDEP("pre: platform:" LPSS_IDMA64_DRIVER_NAME);

Annotation

Implementation Notes