···1717------------------1818 The Linux Plug and Play user interface provides a means to activate PnP devices1919for legacy and user level drivers that do not support Linux Plug and Play. The 2020-user interface is integrated into driverfs.2020+user interface is integrated into sysfs.21212222-In addition to the standard driverfs file the following are created in each 2222+In addition to the standard sysfs file the following are created in each2323device's directory:2424id - displays a list of support EISA IDs2525options - displays possible resource configurations
+1-1
Documentation/s390/cds.txt
···133133of those devices is uniquely defined by a so called subchannel by the ESA/390134134channel subsystem. While the subchannel numbers are system generated, each135135subchannel also takes a user defined attribute, the so called device number.136136-Both subchannel number and device number cannot exceed 65535. During driverfs136136+Both subchannel number and device number cannot exceed 65535. During sysfs137137initialisation, the information about control unit type and device types that 138138imply specific I/O commands (channel command words - CCWs) in order to operate139139the device are gathered. Device drivers can retrieve this set of hardware