From: Peter Hurley Date: Thu, 16 Oct 2014 20:54:25 +0000 (-0400) Subject: serial: core: Colocate crucial structure linkage X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=2b702b9b680cd17dbdd93461dd3f66297e313809;p=deliverable%2Flinux.git serial: core: Colocate crucial structure linkage The key function of uart_add_one_port() is to cross-reference the UART driver's port structure with the serial core's state table; keep the assignments together and document this crucial association. Signed-off-by: Peter Hurley Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index af1d46697e3f..e0082b73c198 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2590,11 +2590,12 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) goto out; } + /* Link the port to the driver state table and vice versa */ state->uart_port = uport; - state->pm_state = UART_PM_STATE_UNDEFINED; + uport->state = state; + state->pm_state = UART_PM_STATE_UNDEFINED; uport->cons = drv->cons; - uport->state = state; /* * If this port is a console, then the spinlock is already