ata_host_alloc - allocate and init basic ATA host resources
2. SYNOPSIS ▲
struct ata_host * ata_host_alloc(struct device * dev , int max_ports );
3. ARGUMENTS ▲
generic device this host is associated with
maximum number of ATA ports associated with this host
4. DESCRIPTION ▲
Allocate and initialize basic ATA host resources. LLD calls this function to allocate a host, initializes it fully and attaches it using ata_host_register.
max_ports ports are allocated and host->n_ports is initialized to max_ports. The caller is allowed to decrease host->n_ports before calling ata_host_register. The unused ports will be automatically freed on registration.
5. RETURNS ▲
Allocate ATA host on success, NULL on failure.
6. LOCKING ▲
Inherited from calling layer (may sleep).
7. AUTHOR ▲
8. COPYRIGHT ▲