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Message-Id: <1412528475-1449-9-git-send-email-fabf@skynet.be>
Date: Sun, 5 Oct 2014 19:01:09 +0200
From: Fabian Frederick <fabf@...net.be>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Fabian Frederick <fabf@...net.be>,
"David S. Miller" <davem@...emloft.net>,
Jiri Slaby <jslaby@...e.cz>, sparclinux@...r.kernel.org,
linux-serial@...r.kernel.org
Subject: [PATCH 08/13 linux-next] serial: sunsu: use container_of to resolve uart_sunsu_port from uart_port
Use container_of instead of casting first structure member.
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
drivers/tty/serial/sunsu.c | 39 ++++++++++++++++++++++++++-------------
1 file changed, 26 insertions(+), 13 deletions(-)
diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
index 5326ae1..be010f8 100644
--- a/drivers/tty/serial/sunsu.c
+++ b/drivers/tty/serial/sunsu.c
@@ -264,7 +264,8 @@ static inline void __stop_tx(struct uart_sunsu_port *p)
static void sunsu_stop_tx(struct uart_port *port)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
__stop_tx(up);
@@ -279,7 +280,8 @@ static void sunsu_stop_tx(struct uart_port *port)
static void sunsu_start_tx(struct uart_port *port)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
if (!(up->ier & UART_IER_THRI)) {
up->ier |= UART_IER_THRI;
@@ -297,7 +299,8 @@ static void sunsu_start_tx(struct uart_port *port)
static void sunsu_stop_rx(struct uart_port *port)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
up->ier &= ~UART_IER_RLSI;
up->port.read_status_mask &= ~UART_LSR_DR;
@@ -306,7 +309,8 @@ static void sunsu_stop_rx(struct uart_port *port)
static void sunsu_enable_ms(struct uart_port *port)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
spin_lock_irqsave(&up->port.lock, flags);
@@ -543,7 +547,8 @@ static irqreturn_t sunsu_kbd_ms_interrupt(int irq, void *dev_id)
static unsigned int sunsu_tx_empty(struct uart_port *port)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
unsigned int ret;
@@ -556,7 +561,8 @@ static unsigned int sunsu_tx_empty(struct uart_port *port)
static unsigned int sunsu_get_mctrl(struct uart_port *port)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
unsigned char status;
unsigned int ret;
@@ -576,7 +582,8 @@ static unsigned int sunsu_get_mctrl(struct uart_port *port)
static void sunsu_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
unsigned char mcr = 0;
if (mctrl & TIOCM_RTS)
@@ -595,7 +602,8 @@ static void sunsu_set_mctrl(struct uart_port *port, unsigned int mctrl)
static void sunsu_break_ctl(struct uart_port *port, int break_state)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
spin_lock_irqsave(&up->port.lock, flags);
@@ -609,7 +617,8 @@ static void sunsu_break_ctl(struct uart_port *port, int break_state)
static int sunsu_startup(struct uart_port *port)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
int retval;
@@ -719,7 +728,8 @@ static int sunsu_startup(struct uart_port *port)
static void sunsu_shutdown(struct uart_port *port)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
unsigned long flags;
/*
@@ -767,7 +777,8 @@ static void
sunsu_change_speed(struct uart_port *port, unsigned int cflag,
unsigned int iflag, unsigned int quot)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
unsigned char cval, fcr = 0;
unsigned long flags;
@@ -918,7 +929,8 @@ static int sunsu_request_port(struct uart_port *port)
static void sunsu_config_port(struct uart_port *port, int flags)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *) port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
if (flags & UART_CONFIG_TYPE) {
/*
@@ -1277,7 +1289,8 @@ static __inline__ void wait_for_xmitr(struct uart_sunsu_port *up)
static void sunsu_console_putchar(struct uart_port *port, int ch)
{
- struct uart_sunsu_port *up = (struct uart_sunsu_port *)port;
+ struct uart_sunsu_port *up =
+ container_of(port, struct uart_sunsu_port, port);
wait_for_xmitr(up);
serial_out(up, UART_TX, ch);
--
1.9.1
--
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