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author | Peter Hurley <peter@hurleysoftware.com> | 2014-09-02 17:39:20 -0400 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-08 16:23:36 -0700 |
commit | 5435d20f506f16352a4e1637b8e8fb7c0d422bb9 (patch) | |
tree | 032d052256d87cdd279e7ec26be3293b820584a3 /drivers/tty/serial/serial_core.c | |
parent | 8a949b07e4062cbd07e04e6a47249e69ca65b944 (diff) | |
download | op-kernel-dev-5435d20f506f16352a4e1637b8e8fb7c0d422bb9.zip op-kernel-dev-5435d20f506f16352a4e1637b8e8fb7c0d422bb9.tar.gz |
serial: 8250: Document serial8250_modem_status() locking
Existing callers of serial8250_modem_status() [1] hold the uart port
lock; document.
[1] In-tree callers of serial8250_modem_status()
drivers/tty/serial/8250/8250_fsl.c
fsl8250_handle_irq()
drivers/tty/serial/8250/8250_core.c
serial8250_handle_irq()
serial8250_console_write()
serial8250_get_mctrl() *
* Call graphs for callers of serial8250_get_mctrl() from the function
which acquires the uart port lock
drivers/tty/serial/serial_core.c
uart_port_startup()
uart_tiocmget()
uart_set_termios()
uart_carrier_raised()
ops->get_mctrl() ---> serial8250_get_mctrl()
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
0 files changed, 0 insertions, 0 deletions