SPI_BUSNUM_TO_MASTER(9) Serial Peripheral Interface (S SPI_BUSNUM_TO_MASTER(9)NAME
spi_busnum_to_master - look up master associated with bus_num
SYNOPSIS
struct spi_master * spi_busnum_to_master(u16 bus_num);
ARGUMENTS
bus_num
the master's bus number
CONTEXT
can sleep
DESCRIPTION
This call may be used with devices that are registered after arch init time. It returns a refcounted pointer to the relevant spi_master
(which the caller must release), or NULL if there is no such master registered.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 SPI_BUSNUM_TO_MASTER(9)
Check Out this Related Man Page
ASTRIBANK_ALLOW(8)ASTRIBANK_ALLOW(8)NAME
astribank_allow - License Xorcom Astribank (xpp) capabilities.
SYNOPSIS
astribank_allow -D device-path [ options ]
astribank_allow [-h]
DESCRIPTION
Modern Astribanks (with USB product id's 116x) contain capabilities that may be licensed.
astribank_allow is used to upload/download the licensing information to/from the device.
Uploading a valid license file to an Astribank, changes its capabilities. The change becomes effective after a firmware reset (either by
powering the device off and on again, or via the astribank_tool full reset option).
Downloading license from the device, produces a valid license file for its current capabilities. This may be backed up, so the device may
be later restored to its previous capabilities.
The license file contains both a human readable description of the device capabilities for the end user and a hash of the licensing infor-
mation used by Xorcom to generate/modify licensed capabilities.
OPTIONS -D device-path
Required. The device to read from/write to. This is bus_num/device_num, where bus_num and device_num are the first two numbers in
the output of lsusb(8) or dahdi_hardware(8). On older versions of this toolyou needed a complete path to the device, which would be
/dev/bus/usb/bus_num/device_num, or /proc/bus/usb/bus_num/device_num.
-w
Write capabilities to EEPROM, otherwise read capabilities
-f filename
License filename (stdin/stdout if not specified)
-v
Increase verbosity. May be used multiple times.
-d mask
Set debug mask to mask. Default is 0, 0xFF is "everything".
-h
Displays usage message.
SEE ALSO fxload(8), lsusb(8), astribank_hexload(8), astribank_tool(8)AUTHOR
Alex Landau
29 March 2009 ASTRIBANK_ALLOW(8)
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