From: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
To: linux-serial@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>,
linux-kernel@vger.kernel.org
Cc: "Johan Hovold" <johan@kernel.org>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Subject: [PATCH 10/10] tty: Return bool from tty_termios_hw_change()
Date: Wed, 4 Jan 2023 17:15:31 +0200 [thread overview]
Message-ID: <20230104151531.73994-11-ilpo.jarvinen@linux.intel.com> (raw)
In-Reply-To: <20230104151531.73994-1-ilpo.jarvinen@linux.intel.com>
Change tty_termios_hw_change() return to bool and convert it to
a or-chained return statement.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/tty/tty_ioctl.c | 10 ++++------
include/linux/tty.h | 2 +-
2 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index ce511557b98b..4a80fabf6d5e 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -270,13 +270,11 @@ EXPORT_SYMBOL(tty_termios_copy_hw);
* between the two termios structures, or a speed change is needed.
*/
-int tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b)
+bool tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b)
{
- if (a->c_ispeed != b->c_ispeed || a->c_ospeed != b->c_ospeed)
- return 1;
- if ((a->c_cflag ^ b->c_cflag) & ~(HUPCL | CREAD | CLOCAL))
- return 1;
- return 0;
+ return a->c_ispeed != b->c_ispeed ||
+ a->c_ospeed != b->c_ospeed ||
+ (a->c_cflag ^ b->c_cflag) & ~(HUPCL | CREAD | CLOCAL);
}
EXPORT_SYMBOL(tty_termios_hw_change);
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 730c3301d710..093935e97f42 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -453,7 +453,7 @@ unsigned char tty_get_char_size(unsigned int cflag);
unsigned char tty_get_frame_size(unsigned int cflag);
void tty_termios_copy_hw(struct ktermios *new, const struct ktermios *old);
-int tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b);
+bool tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b);
int tty_set_termios(struct tty_struct *tty, struct ktermios *kt);
void tty_wakeup(struct tty_struct *tty);
--
2.30.2
next prev parent reply other threads:[~2023-01-04 15:17 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-04 15:15 [PATCH 00/10] tty/serial: bool conversions and cleanups Ilpo Järvinen
2023-01-04 15:15 ` [PATCH 01/10] tty: Cleanup tty_port_set_initialized() bool parameter Ilpo Järvinen
2023-01-05 6:03 ` Jiri Slaby
2023-01-05 7:23 ` Samuel Iglesias Gonsálvez
2023-01-04 15:15 ` [PATCH 02/10] tty: Cleamup tty_port_set_suspended() " Ilpo Järvinen
2023-01-05 6:03 ` Jiri Slaby
2023-01-04 15:15 ` [PATCH 03/10] tty: Cleanup tty_port_set_active() " Ilpo Järvinen
2023-01-05 6:03 ` Jiri Slaby
2023-01-04 15:15 ` [PATCH 04/10] tty: moxa: Make local var storing tty_port_initialized() bool Ilpo Järvinen
2023-01-05 6:04 ` Jiri Slaby
2023-01-04 15:15 ` [PATCH 05/10] serial: Convert uart_{,port_}startup() init_hw param to bool Ilpo Järvinen
2023-01-05 6:05 ` Jiri Slaby
2023-01-05 8:48 ` Ilpo Järvinen
2023-01-05 9:12 ` Johan Hovold
2023-01-04 15:15 ` [PATCH 06/10] tty: Convert ->carrier_raised() and callchains " Ilpo Järvinen
2023-01-05 6:13 ` Jiri Slaby
2023-01-04 15:15 ` [PATCH 07/10] tty: Convert ->dtr_rts() to take bool argument Ilpo Järvinen
2023-01-05 6:19 ` Jiri Slaby
2023-01-05 8:51 ` Ilpo Järvinen
2023-01-04 15:15 ` [PATCH 08/10] tty/serial: Make ->dcd_change()+uart_handle_dcd_change() status bool Ilpo Järvinen
2023-01-05 6:21 ` Jiri Slaby
2023-01-05 9:11 ` Rodolfo Giometti
2023-01-04 15:15 ` [PATCH 09/10] serial: Make uart_handle_cts_change() status param bool Ilpo Järvinen
2023-01-05 6:23 ` Jiri Slaby
2023-01-05 8:55 ` Ilpo Järvinen
2023-01-05 9:25 ` Johan Hovold
2023-01-04 15:15 ` Ilpo Järvinen [this message]
2023-01-05 6:28 ` [PATCH 10/10] tty: Return bool from tty_termios_hw_change() Jiri Slaby
2023-01-05 9:27 ` Johan Hovold
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230104151531.73994-11-ilpo.jarvinen@linux.intel.com \
--to=ilpo.jarvinen@linux.intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=jirislaby@kernel.org \
--cc=johan@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-serial@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®