linux-kernel - [PATCH 3/3] USB: drop tty argument from usb_serial_handle_sysrq

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Date:	Wed, 04 Aug 2010 00:59:11 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	linux-input@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	David Airlie <airlied@...ux.ie>,
	David Miller <davem@...emloft.net>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Jason Wessel <jason.wessel@...driver.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Russell King <linux@....linux.org.uk>,
	Tony Luck <tony.luck@...el.com>
Subject: [PATCH 3/3] USB: drop tty argument from usb_serial_handle_sysrq_char()

Since handle_sysrq() does not take tty as argument anymore we can
drop it from usb_serial_handle_sysrq_char() as well.

Signed-off-by: Dmitry Torokhov <dtor@...l.ru>
---

 drivers/usb/serial/ftdi_sio.c |    2 +-
 drivers/usb/serial/generic.c  |    5 ++---
 drivers/usb/serial/pl2303.c   |    2 +-
 include/linux/usb/serial.h    |    3 +--
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index e298dc4..8aecfe5 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1827,7 +1827,7 @@ static int ftdi_process_packet(struct tty_struct *tty,
 
 	if (port->port.console && port->sysrq) {
 		for (i = 0; i < len; i++, ch++) {
-			if (!usb_serial_handle_sysrq_char(tty, port, *ch))
+			if (!usb_serial_handle_sysrq_char(port, *ch))
 				tty_insert_flip_char(tty, *ch, flag);
 		}
 	} else {
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 9587c22..dee73b9 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -338,7 +338,7 @@ void usb_serial_generic_process_read_urb(struct urb *urb)
 		tty_insert_flip_string(tty, ch, urb->actual_length);
 	else {
 		for (i = 0; i < urb->actual_length; i++, ch++) {
-			if (!usb_serial_handle_sysrq_char(tty, port, *ch))
+			if (!usb_serial_handle_sysrq_char(port, *ch))
 				tty_insert_flip_char(tty, *ch, TTY_NORMAL);
 		}
 	}
@@ -443,8 +443,7 @@ void usb_serial_generic_unthrottle(struct tty_struct *tty)
 EXPORT_SYMBOL_GPL(usb_serial_generic_unthrottle);
 
 #ifdef CONFIG_MAGIC_SYSRQ
-int usb_serial_handle_sysrq_char(struct tty_struct *tty,
-			struct usb_serial_port *port, unsigned int ch)
+int usb_serial_handle_sysrq_char(struct usb_serial_port *port, unsigned int ch)
 {
 	if (port->sysrq && port->port.console) {
 		if (ch && time_before(jiffies, port->sysrq)) {
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 6b60018..34ad7b3 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -788,7 +788,7 @@ static void pl2303_process_read_urb(struct urb *urb)
 
 	if (port->port.console && port->sysrq) {
 		for (i = 0; i < urb->actual_length; ++i)
-			if (!usb_serial_handle_sysrq_char(tty, port, data[i]))
+			if (!usb_serial_handle_sysrq_char(port, data[i]))
 				tty_insert_flip_char(tty, data[i], tty_flag);
 	} else {
 		tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 84a4c44..55675b1 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -342,8 +342,7 @@ extern int usb_serial_generic_submit_read_urb(struct usb_serial_port *port,
 extern void usb_serial_generic_process_read_urb(struct urb *urb);
 extern int usb_serial_generic_prepare_write_buffer(struct usb_serial_port *port,
 						void *dest, size_t size);
-extern int usb_serial_handle_sysrq_char(struct tty_struct *tty,
-					struct usb_serial_port *port,
+extern int usb_serial_handle_sysrq_char(struct usb_serial_port *port,
 					unsigned int ch);
 extern int usb_serial_handle_break(struct usb_serial_port *port);
 

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