/sys/devices/pci0000:00/0000:00:1f.2/ata4/ata_port/ata4
Directories:

• /sys/devices/pci0000:00/0000:00:1f.2/ata4/ata_port
• /sys/devices/pci0000:00/0000:00:1f.2/ata4/ata_port/ata4/power
• /sys/devices/pci0000:00/0000:00:1f.2/ata4
• /sys/class/ata_port

Files:

• uevent
• nr_pmp_links
• idle_irq
• port_no