![]() nr_pmp_links (read) + idle_irq: (RO) Number of IRQ received by the port while + idle. +What: /sys/class/ata_port/ataX/nr_pmp_links +What: /sys/class/ata_port/ataX/idle_irq +Date: May, 2010 +KernelVersion: v2.6.37 +Contact: Gwendal Grignou +Description: + nr_pmp_links: (RO) If a SATA Port Multiplier (PM) is + connected, the number of links behind it. idle_irq (read) - Number of IRQ received by the port while idle. The device parent is the ata host device. +For each port, a directory ataX is created where X is the ata_port_id of the +port. Files under /sys/class/ata_port -ğor each port, a directory ataX is created where X is the ata_port_id of - the port. This allows retrieving various information about ATA + objects. + Provide a place in sysfs for storing the ATA topology of the + system. ![]() This allows -retrieving various information about ATA objects. ![]() Date: August 2008 -Contact: Gwendal Grignou Description: -Provide a place in sysfs for storing the ATA topology of the system. Merge branches 'x86/amd', 'x86/vt-d', 'arm/rockchip', 'arm/omap', 'arm/mediatek', 'arm/exynos', 'arm/renesas', 'arm/smmu' and 'core' into nextĭiff -git a/Documentation/ABI/testing/sysfs-ata b/Documentation/ABI/testing/sysfs-ata ![]()
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