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serial8250_get_port(9) - phpMan

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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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