1cf4ece53SMasayuki OhtakWhat: /sys/module/pch_phub/drivers/.../pch_mac 2cf4ece53SMasayuki OhtakDate: August 2010 3cf4ece53SMasayuki OhtakKernelVersion: 2.6.35 4cf4ece53SMasayuki OhtakContact: masa-korg@dsn.okisemi.com 5cf4ece53SMasayuki OhtakDescription: Write/read GbE MAC address. 6cf4ece53SMasayuki Ohtak 7cf4ece53SMasayuki OhtakWhat: /sys/module/pch_phub/drivers/.../pch_firmware 8cf4ece53SMasayuki OhtakDate: August 2010 9cf4ece53SMasayuki OhtakKernelVersion: 2.6.35 10cf4ece53SMasayuki OhtakContact: masa-korg@dsn.okisemi.com 11cf4ece53SMasayuki OhtakDescription: Write/read Option ROM data. 12cf4ece53SMasayuki Ohtak 13cc62a7ebSKirill Smelkov 14cc62a7ebSKirill SmelkovWhat: /sys/module/ehci_hcd/drivers/.../uframe_periodic_max 15cc62a7ebSKirill SmelkovDate: July 2011 16cc62a7ebSKirill SmelkovKernelVersion: 3.1 17cc62a7ebSKirill SmelkovContact: Kirill Smelkov <kirr@mns.spb.ru> 18cc62a7ebSKirill SmelkovDescription: Maximum time allowed for periodic transfers per microframe (μs) 19cc62a7ebSKirill Smelkov 20cc62a7ebSKirill Smelkov [ USB 2.0 sets maximum allowed time for periodic transfers per 21cc62a7ebSKirill Smelkov microframe to be 80%, that is 100 microseconds out of 125 22cc62a7ebSKirill Smelkov microseconds (full microframe). 23cc62a7ebSKirill Smelkov 24cc62a7ebSKirill Smelkov However there are cases, when 80% max isochronous bandwidth is 25cc62a7ebSKirill Smelkov too limiting. For example two video streams could require 110 26cc62a7ebSKirill Smelkov microseconds of isochronous bandwidth per microframe to work 27cc62a7ebSKirill Smelkov together. ] 28cc62a7ebSKirill Smelkov 29cc62a7ebSKirill Smelkov Through this setting it is possible to raise the limit so that 30cc62a7ebSKirill Smelkov the host controller would allow allocating more than 100 31cc62a7ebSKirill Smelkov microseconds of periodic bandwidth per microframe. 32cc62a7ebSKirill Smelkov 33cc62a7ebSKirill Smelkov Beware, non-standard modes are usually not thoroughly tested by 34cc62a7ebSKirill Smelkov hardware designers, and the hardware can malfunction when this 35cc62a7ebSKirill Smelkov setting differ from default 100. 36*cca3e707SKay Sievers 37*cca3e707SKay SieversWhat: /sys/module/*/{coresize,initsize} 38*cca3e707SKay SieversDate: Jan 2012 39*cca3e707SKay SieversKernelVersion:»·3.3 40*cca3e707SKay SieversContact: Kay Sievers <kay.sievers@vrfy.org> 41*cca3e707SKay SieversDescription: Module size in bytes. 42*cca3e707SKay Sievers 43*cca3e707SKay SieversWhat: /sys/module/*/taint 44*cca3e707SKay SieversDate: Jan 2012 45*cca3e707SKay SieversKernelVersion:»·3.3 46*cca3e707SKay SieversContact: Kay Sievers <kay.sievers@vrfy.org> 47*cca3e707SKay SieversDescription: Module taint flags: 48*cca3e707SKay Sievers P - proprietary module 49*cca3e707SKay Sievers O - out-of-tree module 50*cca3e707SKay Sievers F - force-loaded module 51*cca3e707SKay Sievers C - staging driver module 52