serial8250_get_port(9) - phpMan
SERIAL8250_GET_PORT(9) 16x50 UART Driver SERIAL8250_GET_PORT(9)
NAME
serial8250_get_port - retrieve struct uart_8250_port
SYNOPSIS
struct uart_8250_port * serial8250_get_port(int line);
ARGUMENTS
line
serial line number
DESCRIPTION
This function retrieves struct uart_8250_port for the specific line. This struct *must*
*not* be used to perform a 8250 or serial core operation which is not accessible
otherwise. Its only purpose is to make the struct accessible to the runtime-pm callbacks
for context suspend/restore. The lock assumption made here is none because runtime-pm
suspend/resume callbacks should not be invoked if there is any operation performed on the
port.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 SERIAL8250_GET_PORT(9)
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