[PATCH 2/8] serial: core: Fold do_uart_get_info() into caller

From: Peter Hurley
Date: Sat Dec 12 2015 - 19:36:58 EST


do_uart_get_info() has a single caller: uart_get_info().
Manually inline do_uart_get_info().

Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/serial_core.c | 18 +++++++-----------
1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 321b45f..89b5ddd 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -673,14 +673,18 @@ static void uart_unthrottle(struct tty_struct *tty)
uart_set_mctrl(port, TIOCM_RTS);
}

-static void do_uart_get_info(struct tty_port *port,
- struct serial_struct *retinfo)
+static void uart_get_info(struct tty_port *port, struct serial_struct *retinfo)
{
struct uart_state *state = container_of(port, struct uart_state, port);
struct uart_port *uport = state->uart_port;

memset(retinfo, 0, sizeof(*retinfo));

+ /*
+ * Ensure the state we copy is consistent and no hardware changes
+ * occur as we go
+ */
+ mutex_lock(&port->mutex);
retinfo->type = uport->type;
retinfo->line = uport->line;
retinfo->port = uport->iobase;
@@ -699,15 +703,6 @@ static void do_uart_get_info(struct tty_port *port,
retinfo->io_type = uport->iotype;
retinfo->iomem_reg_shift = uport->regshift;
retinfo->iomem_base = (void *)(unsigned long)uport->mapbase;
-}
-
-static void uart_get_info(struct tty_port *port,
- struct serial_struct *retinfo)
-{
- /* Ensure the state we copy is consistent and no hardware changes
- occur as we go */
- mutex_lock(&port->mutex);
- do_uart_get_info(port, retinfo);
mutex_unlock(&port->mutex);
}

@@ -715,6 +710,7 @@ static int uart_get_info_user(struct tty_port *port,
struct serial_struct __user *retinfo)
{
struct serial_struct tmp;
+
uart_get_info(port, &tmp);

if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
--
2.6.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/