tty: use u8 for chars

This makes all those 'unsigned char's an explicit 'u8'. This is part of
the continuing unification of chars and flags to be consistent u8.

This approaches tty_port_default_receive_buf(). Flags to be next.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: William Hubbs <w.d.hubbs@gmail.com>
Cc: Chris Brannon <chris@the-brannons.com>
Cc: Kirk Reiser <kirk@reisers.ca>
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Max Staudt <max@enpas.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Cc: Andreas Koensgen <ajk@comnets.uni-bremen.de>
Cc: Jeremy Kerr <jk@codeconstruct.com.au>
Cc: Matt Johnston <matt@codeconstruct.com.au>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230810091510.13006-17-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 14 insertions, 14 deletions

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index ee9b20dcbce6..d770007e5215 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1479,7 +1479,7 @@ n_tty_receive_char_lnext(struct tty_struct *tty, unsigned char c, char flag)
 }
 
 /* Caller must ensure count > 0 */
-static void n_tty_lookahead_flow_ctrl(struct tty_struct *tty, const unsigned char *cp,
+static void n_tty_lookahead_flow_ctrl(struct tty_struct *tty, const u8 *cp,
 				      const unsigned char *fp, size_t count)
 {
 	struct n_tty_data *ldata = tty->disc_data;
@@ -1500,8 +1500,8 @@ static void n_tty_lookahead_flow_ctrl(struct tty_struct *tty, const unsigned cha
 }
 
 static void
-n_tty_receive_buf_real_raw(const struct tty_struct *tty,
-			   const unsigned char *cp, int count)
+n_tty_receive_buf_real_raw(const struct tty_struct *tty, const u8 *cp,
+			   int count)
 {
 	struct n_tty_data *ldata = tty->disc_data;
 	size_t n, head;
@@ -1520,7 +1520,7 @@ n_tty_receive_buf_real_raw(const struct tty_struct *tty,
 }
 
 static void
-n_tty_receive_buf_raw(struct tty_struct *tty, const unsigned char *cp,
+n_tty_receive_buf_raw(struct tty_struct *tty, const u8 *cp,
 		      const char *fp, int count)
 {
 	struct n_tty_data *ldata = tty->disc_data;
@@ -1537,7 +1537,7 @@ n_tty_receive_buf_raw(struct tty_struct *tty, const unsigned char *cp,
 }
 
 static void
-n_tty_receive_buf_closing(struct tty_struct *tty, const unsigned char *cp,
+n_tty_receive_buf_closing(struct tty_struct *tty, const u8 *cp,
 			  const char *fp, int count, bool lookahead_done)
 {
 	char flag = TTY_NORMAL;
@@ -1550,14 +1550,15 @@ n_tty_receive_buf_closing(struct tty_struct *tty, const unsigned char *cp,
 	}
 }
 
-static void n_tty_receive_buf_standard(struct tty_struct *tty,
-		const unsigned char *cp, const char *fp, int count, bool lookahead_done)
+static void n_tty_receive_buf_standard(struct tty_struct *tty, const u8 *cp,
+				       const char *fp, int count,
+				       bool lookahead_done)
 {
 	struct n_tty_data *ldata = tty->disc_data;
 	char flag = TTY_NORMAL;
 
 	while (count--) {
-		unsigned char c = *cp++;
+		u8 c = *cp++;
 
 		if (fp)
 			flag = *fp++;
@@ -1588,7 +1589,7 @@ static void n_tty_receive_buf_standard(struct tty_struct *tty,
 	}
 }
 
-static void __receive_buf(struct tty_struct *tty, const unsigned char *cp,
+static void __receive_buf(struct tty_struct *tty, const u8 *cp,
 			  const char *fp, int count)
 {
 	struct n_tty_data *ldata = tty->disc_data;
@@ -1663,7 +1664,7 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp,
  *	publishes commit_head or canon_head
  */
 static size_t
-n_tty_receive_buf_common(struct tty_struct *tty, const unsigned char *cp,
+n_tty_receive_buf_common(struct tty_struct *tty, const u8 *cp,
 			 const char *fp, int count, int flow)
 {
 	struct n_tty_data *ldata = tty->disc_data;
@@ -1744,15 +1745,14 @@ n_tty_receive_buf_common(struct tty_struct *tty, const unsigned char *cp,
 	return rcvd;
 }
 
-static void n_tty_receive_buf(struct tty_struct *tty, const unsigned char *cp,
+static void n_tty_receive_buf(struct tty_struct *tty, const u8 *cp,
 			      const char *fp, size_t count)
 {
 	n_tty_receive_buf_common(tty, cp, fp, count, 0);
 }
 
-static size_t n_tty_receive_buf2(struct tty_struct *tty,
-				 const unsigned char *cp, const char *fp,
-				 size_t count)
+static size_t n_tty_receive_buf2(struct tty_struct *tty, const u8 *cp,
+				 const char *fp, size_t count)
 {
 	return n_tty_receive_buf_common(tty, cp, fp, count, 1);
 }