commit b83286bfa8f40cd7545d772e2fb2a94fe8bb5830
author Fabio Estevam <fabio.estevam@freescale.com> Fri Aug 09 17:58:51 2013 -0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Mon Aug 12 11:37:48 2013 -0700
tree 048ed0bfd6294cf8f6b2978453e9d035165a8c16
parent 8ad2ee955b810e2a8061d2d3d2e4e4072250b5ec

serial: amba-pl011: Use __releases/__acquires annotations

Fix the following sparse warnings:

drivers/tty/serial/amba-pl011.c:687:20: warning: context imbalance in 'pl011_dma_flush_buffer' - unexpected unlock
drivers/tty/serial/amba-pl011.c:1200:13: warning: context imbalance in 'pl011_rx_chars' - unexpected unlock

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/amba-pl011.c

diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index eb38fb8..aaa2286 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -677,6 +677,8 @@
  * Locking: called with port lock held and IRQs disabled.
  */
 static void pl011_dma_flush_buffer(struct uart_port *port)
+__releases(&uap->port.lock)
+__acquires(&uap->port.lock)
 {
 	struct uart_amba_port *uap = (struct uart_amba_port *)port;
 
@@ -1198,6 +1200,8 @@
 }
 
 static void pl011_rx_chars(struct uart_amba_port *uap)
+__releases(&uap->port.lock)
+__acquires(&uap->port.lock)
 {
 	pl011_fifo_to_tty(uap);