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| RIO_MPORT_IS_ACTIVE(9) | Internals | RIO_MPORT_IS_ACTIVE(9) |
NAME¶
rio_mport_is_active - Tests if master port link is active
SYNOPSIS¶
int rio_mport_is_active(struct rio_mport * port);
ARGUMENTS¶
struct rio_mport * port
Master port to test
DESCRIPTION¶
Reads the port error status CSR for the master port to determine if the port has an active link. Returns RIO_PORT_N_ERR_STS_PORT_OK if the master port is active or 0 if it is inactive.
AUTHOR¶
Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
Author.
COPYRIGHT¶
| June 2017 | Kernel Hackers Manual 4.11 |