tty: use u8 for chars
authorJiri Slaby (SUSE) <jirislaby@kernel.org>
Thu, 10 Aug 2023 09:14:50 +0000 (11:14 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 11 Aug 2023 19:12:45 +0000 (21:12 +0200)
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>
21 files changed:
drivers/accessibility/speakup/spk_ttyio.c
drivers/input/serio/serport.c
drivers/misc/ti-st/st_core.c
drivers/net/can/can327.c
drivers/net/can/slcan/slcan-core.c
drivers/net/hamradio/6pack.c
drivers/net/hamradio/mkiss.c
drivers/net/mctp/mctp-serial.c
drivers/net/ppp/ppp_async.c
drivers/net/ppp/ppp_synctty.c
drivers/net/slip/slip.c
drivers/tty/n_gsm.c
drivers/tty/n_hdlc.c
drivers/tty/n_tty.c
drivers/tty/tty.h
drivers/tty/tty_buffer.c
include/linux/tty_buffer.h
include/linux/tty_flip.h
include/linux/tty_ldisc.h
sound/soc/codecs/cx20442.c
sound/soc/ti/ams-delta.c

index 736f622068ce6a24db36eaed8c37629fda3ffddc..dd683a079c0850440d1581ff8d9d8bf49e3e7830 100644 (file)
@@ -71,9 +71,8 @@ static void spk_ttyio_ldisc_close(struct tty_struct *tty)
        kfree(tty->disc_data);
 }
 
-static size_t spk_ttyio_receive_buf2(struct tty_struct *tty,
-                                    const unsigned char *cp, const char *fp,
-                                    size_t count)
+static size_t spk_ttyio_receive_buf2(struct tty_struct *tty, const u8 *cp,
+                                    const char *fp, size_t count)
 {
        struct spk_ldisc_data *ldisc_data = tty->disc_data;
        struct spk_synth *synth = ldisc_data->synth;
index 7fc6155131f8dfdbd73baedbb6a5225fa0615564..8bf79d39964d9402a57024f8d040b129b4c82feb 100644 (file)
@@ -114,9 +114,8 @@ static void serport_ldisc_close(struct tty_struct *tty)
  * 'interrupt' routine.
  */
 
-static void serport_ldisc_receive(struct tty_struct *tty,
-                                 const unsigned char *cp, const char *fp,
-                                 size_t count)
+static void serport_ldisc_receive(struct tty_struct *tty, const u8 *cp,
+                                 const char *fp, size_t count)
 {
        struct serport *serport = tty->disc_data;
        unsigned long flags;
index c89024ab3d7789af980a7bbda45d6f56c2b4b239..0ce4e46ff1619a05f26c15c2352f955ab64c60dc 100644 (file)
@@ -791,7 +791,7 @@ static void st_tty_close(struct tty_struct *tty)
        pr_debug("%s: done ", __func__);
 }
 
-static void st_tty_receive(struct tty_struct *tty, const unsigned char *data,
+static void st_tty_receive(struct tty_struct *tty, const u8 *data,
                           const char *tty_flags, size_t count)
 {
 #ifdef VERBOSE
index 4bf970df7e8417a1ef1bed6ef2b451ef87210197..a054f5fd0d435c10f10113ea236b201d79c45afb 100644 (file)
@@ -885,7 +885,7 @@ static bool can327_is_valid_rx_char(u8 c)
  * This will not be re-entered while running, but other ldisc
  * functions may be called in parallel.
  */
-static void can327_ldisc_rx(struct tty_struct *tty, const unsigned char *cp,
+static void can327_ldisc_rx(struct tty_struct *tty, const u8 *cp,
                            const char *fp, size_t count)
 {
        struct can327 *elm = tty->disc_data;
index 63371563d8e2898e02166f0d86e9a162c47ab016..fe5671dbeb77c45cff67718f01f58e76d4b7a2d6 100644 (file)
@@ -774,9 +774,8 @@ static const struct net_device_ops slcan_netdev_ops = {
  * be re-entered while running but other ldisc functions may be called
  * in parallel
  */
-static void slcan_receive_buf(struct tty_struct *tty,
-                             const unsigned char *cp, const char *fp,
-                             size_t count)
+static void slcan_receive_buf(struct tty_struct *tty, const u8 *cp,
+                             const char *fp, size_t count)
 {
        struct slcan *sl = tty->disc_data;
 
index 2089efb0d360cc9f845e63ff3c9a7e428055cf03..9a1f2a3f3b4fa4e3e6425eaf871fbab9794d823b 100644 (file)
@@ -427,8 +427,8 @@ out:
  * a block of 6pack data has been received, which can now be decapsulated
  * and sent on to some IP layer for further processing.
  */
-static void sixpack_receive_buf(struct tty_struct *tty,
-       const unsigned char *cp, const char *fp, size_t count)
+static void sixpack_receive_buf(struct tty_struct *tty, const u8 *cp,
+                               const char *fp, size_t count)
 {
        struct sixpack *sp;
        int count1;
index 1efab6037c7ec2e1dd887f45b823c34aa270e971..26dbcf49bfa67907353becaa7be062bef4245cf5 100644 (file)
@@ -874,7 +874,7 @@ static int mkiss_ioctl(struct tty_struct *tty, unsigned int cmd,
  * a block of data has been received, which can now be decapsulated
  * and sent on to the AX.25 layer for further processing.
  */
-static void mkiss_receive_buf(struct tty_struct *tty, const unsigned char *cp,
+static void mkiss_receive_buf(struct tty_struct *tty, const u8 *cp,
                              const char *fp, size_t count)
 {
        struct mkiss *ax = mkiss_get(tty);
index 6761f4ff2e7c6db4415f15622abfd75e8a4adf04..5f809a18d30869711b6ca264e7bf83dfece09a33 100644 (file)
@@ -390,8 +390,7 @@ static void mctp_serial_push(struct mctp_serial *dev, unsigned char c)
        }
 }
 
-static void mctp_serial_tty_receive_buf(struct tty_struct *tty,
-                                       const unsigned char *c,
+static void mctp_serial_tty_receive_buf(struct tty_struct *tty, const u8 *c,
                                        const char *f, size_t len)
 {
        struct mctp_serial *dev = tty->disc_data;
index 79b8fca47edb4218db14788b106d1373abee7328..a661ccdea6ab2128f9023d5f7c68a9b545c25a41 100644 (file)
@@ -330,8 +330,8 @@ ppp_asynctty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
 
 /* May sleep, don't call from interrupt level or with interrupts disabled */
 static void
-ppp_asynctty_receive(struct tty_struct *tty, const unsigned char *buf,
-                    const char *cflags, size_t count)
+ppp_asynctty_receive(struct tty_struct *tty, const u8 *buf, const char *cflags,
+                    size_t count)
 {
        struct asyncppp *ap = ap_get(tty);
        unsigned long flags;
@@ -819,8 +819,8 @@ process_input_packet(struct asyncppp *ap)
    other ldisc functions but will not be re-entered */
 
 static void
-ppp_async_input(struct asyncppp *ap, const unsigned char *buf,
-               const char *flags, int count)
+ppp_async_input(struct asyncppp *ap, const u8 *buf, const char *flags,
+               int count)
 {
        struct sk_buff *skb;
        int c, i, j, n, s, f;
index 767aca32b315f82a84441735a2999ae648e7f0b8..2a5cf6be9591eb1bcef794ae7bfef2f3f9b2fc41 100644 (file)
@@ -93,8 +93,8 @@ static int ppp_sync_ioctl(struct ppp_channel *chan, unsigned int cmd,
 static void ppp_sync_process(struct tasklet_struct *t);
 static int ppp_sync_push(struct syncppp *ap);
 static void ppp_sync_flush_output(struct syncppp *ap);
-static void ppp_sync_input(struct syncppp *ap, const unsigned char *buf,
-                          const char *flags, int count);
+static void ppp_sync_input(struct syncppp *ap, const u8 *buf, const char *flags,
+                          int count);
 
 static const struct ppp_channel_ops sync_ops = {
        .start_xmit = ppp_sync_send,
@@ -323,8 +323,8 @@ ppp_synctty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
 
 /* May sleep, don't call from interrupt level or with interrupts disabled */
 static void
-ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
-                const char *cflags, size_t count)
+ppp_sync_receive(struct tty_struct *tty, const u8 *buf, const char *cflags,
+                size_t count)
 {
        struct syncppp *ap = sp_get(tty);
        unsigned long flags;
@@ -655,8 +655,7 @@ ppp_sync_flush_output(struct syncppp *ap)
  * frame is considered to be in error and is tossed.
  */
 static void
-ppp_sync_input(struct syncppp *ap, const unsigned char *buf,
-               const char *flags, int count)
+ppp_sync_input(struct syncppp *ap, const u8 *buf, const char *flags, int count)
 {
        struct sk_buff *skb;
        unsigned char *p;
index 39450bf748a5905cfed74cdcee327ba7be3c997e..7bfa90724e7bb905e2f6580f42efc4ea56692faa 100644 (file)
@@ -685,7 +685,7 @@ static void sl_setup(struct net_device *dev)
  * in parallel
  */
 
-static void slip_receive_buf(struct tty_struct *tty, const unsigned char *cp,
+static void slip_receive_buf(struct tty_struct *tty, const u8 *cp,
                             const char *fp, size_t count)
 {
        struct slip *sl = tty->disc_data;
index 2f85877b8ba1bdd0f5a363779b38e331de3cbfe8..86d89bbbaa16325bdd888166d0cb06002cf1a22e 100644 (file)
@@ -3489,7 +3489,7 @@ static void gsmld_detach_gsm(struct tty_struct *tty, struct gsm_mux *gsm)
        gsm->tty = NULL;
 }
 
-static void gsmld_receive_buf(struct tty_struct *tty, const unsigned char *cp,
+static void gsmld_receive_buf(struct tty_struct *tty, const u8 *cp,
                              const char *fp, size_t count)
 {
        struct gsm_mux *gsm = tty->disc_data;
index ce3c779f5c03c05082e0355d42c396b86e5efba6..c86be060baed679a8dd2ab0ffe085d93a93b1de0 100644 (file)
@@ -369,7 +369,7 @@ static void n_hdlc_tty_wakeup(struct tty_struct *tty)
  * Called by tty low level driver when receive data is available. Data is
  * interpreted as one HDLC frame.
  */
-static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *data,
+static void n_hdlc_tty_receive(struct tty_struct *tty, const u8 *data,
                               const char *flags, size_t count)
 {
        register struct n_hdlc *n_hdlc = tty->disc_data;
index ee9b20dcbce667f074099a71bd21f0294ad8c11b..d770007e5215edabaefc41e37953a308cf19e5b6 100644 (file)
@@ -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);
 }
index 2751ac3946e71703d86584e67634c8cd652748f0..e31cd9f281de5510be26ff8dc4ea389115b492a3 100644 (file)
@@ -115,6 +115,6 @@ static inline void tty_audit_tiocsti(const struct tty_struct *tty, char ch)
 ssize_t redirected_tty_write(struct kiocb *, struct iov_iter *);
 
 int tty_insert_flip_string_and_push_buffer(struct tty_port *port,
-               const unsigned char *chars, size_t cnt);
+                                          const u8 *chars, size_t cnt);
 
 #endif
index 56f5732ce47f7234682ab13bf75a4f5abb79b7ce..9db42e6ed45bedba28e06c806d1cab87025eb15a 100644 (file)
@@ -316,8 +316,8 @@ EXPORT_SYMBOL_GPL(tty_buffer_request_room);
  *
  * Returns: the number added.
  */
-int tty_insert_flip_string_fixed_flag(struct tty_port *port,
-               const unsigned char *chars, char flag, size_t size)
+int tty_insert_flip_string_fixed_flag(struct tty_port *port, const u8 *chars,
+               char flag, size_t size)
 {
        int copied = 0;
        bool flags = flag != TTY_NORMAL;
@@ -355,8 +355,8 @@ EXPORT_SYMBOL(tty_insert_flip_string_fixed_flag);
  *
  * Returns: the number added.
  */
-int tty_insert_flip_string_flags(struct tty_port *port,
-               const unsigned char *chars, const char *flags, size_t size)
+int tty_insert_flip_string_flags(struct tty_port *port, const u8 *chars,
+               const char *flags, size_t size)
 {
        int copied = 0;
 
@@ -390,7 +390,7 @@ EXPORT_SYMBOL(tty_insert_flip_string_flags);
  * Queue a single byte @ch to the tty buffering, with an optional flag. This is
  * the slow path of tty_insert_flip_char().
  */
-int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag)
+int __tty_insert_flip_char(struct tty_port *port, u8 ch, char flag)
 {
        struct tty_buffer *tb;
        bool flags = flag != TTY_NORMAL;
@@ -421,8 +421,7 @@ EXPORT_SYMBOL(__tty_insert_flip_char);
  * Returns: the length available and buffer pointer (@chars) to the space which
  * is now allocated and accounted for as ready for normal characters.
  */
-int tty_prepare_flip_string(struct tty_port *port, unsigned char **chars,
-               size_t size)
+int tty_prepare_flip_string(struct tty_port *port, u8 **chars, size_t size)
 {
        int space = __tty_buffer_request_room(port, size, false);
 
@@ -450,8 +449,8 @@ EXPORT_SYMBOL_GPL(tty_prepare_flip_string);
  *
  * Returns: the number of bytes processed.
  */
-size_t tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p,
-                            const char *f, size_t count)
+size_t tty_ldisc_receive_buf(struct tty_ldisc *ld, const u8 *p, const char *f,
+                            size_t count)
 {
        if (ld->ops->receive_buf2)
                count = ld->ops->receive_buf2(ld->tty, p, f, count);
@@ -489,7 +488,7 @@ static void lookahead_bufs(struct tty_port *port, struct tty_buffer *head)
                }
 
                if (port->client_ops->lookahead_buf) {
-                       unsigned char *p, *f = NULL;
+                       u8 *p, *f = NULL;
 
                        p = char_buf_ptr(head, head->lookahead);
                        if (head->flags)
@@ -620,7 +619,7 @@ EXPORT_SYMBOL(tty_flip_buffer_push);
  * Returns: the number added.
  */
 int tty_insert_flip_string_and_push_buffer(struct tty_port *port,
-               const unsigned char *chars, size_t size)
+                                          const u8 *chars, size_t size)
 {
        struct tty_bufhead *buf = &port->buf;
        unsigned long flags;
index 6ceb2789e6c816bc98601f9b106e2e14df005fb2..6f2966b15093beeec7ff3d8866bbd9dc8647e1cc 100644 (file)
@@ -22,9 +22,9 @@ struct tty_buffer {
        unsigned long data[];
 };
 
-static inline unsigned char *char_buf_ptr(struct tty_buffer *b, int ofs)
+static inline u8 *char_buf_ptr(struct tty_buffer *b, int ofs)
 {
-       return ((unsigned char *)b->data) + ofs;
+       return ((u8 *)b->data) + ofs;
 }
 
 static inline char *flag_buf_ptr(struct tty_buffer *b, int ofs)
index 09c4dbcd00251a39b255338a0156c2379734cb5e..a0fcffeaaa25b5ccce6d901ba0802eb86666b282 100644 (file)
@@ -10,17 +10,15 @@ struct tty_ldisc;
 int tty_buffer_set_limit(struct tty_port *port, int limit);
 unsigned int tty_buffer_space_avail(struct tty_port *port);
 int tty_buffer_request_room(struct tty_port *port, size_t size);
-int tty_insert_flip_string_flags(struct tty_port *port,
-               const unsigned char *chars, const char *flags, size_t size);
-int tty_insert_flip_string_fixed_flag(struct tty_port *port,
-               const unsigned char *chars, char flag, size_t size);
-int tty_prepare_flip_string(struct tty_port *port, unsigned char **chars,
-               size_t size);
+int tty_insert_flip_string_flags(struct tty_port *port, const u8 *chars,
+                                const char *flags, size_t size);
+int tty_insert_flip_string_fixed_flag(struct tty_port *port, const u8 *chars,
+                                     char flag, size_t size);
+int tty_prepare_flip_string(struct tty_port *port, u8 **chars, size_t size);
 void tty_flip_buffer_push(struct tty_port *port);
-int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag);
+int __tty_insert_flip_char(struct tty_port *port, u8 ch, char flag);
 
-static inline int tty_insert_flip_char(struct tty_port *port,
-                                       unsigned char ch, char flag)
+static inline int tty_insert_flip_char(struct tty_port *port, u8 ch, char flag)
 {
        struct tty_buffer *tb = port->buf.tail;
        int change;
@@ -36,13 +34,13 @@ static inline int tty_insert_flip_char(struct tty_port *port,
 }
 
 static inline int tty_insert_flip_string(struct tty_port *port,
-               const unsigned char *chars, size_t size)
+               const u8 *chars, size_t size)
 {
        return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size);
 }
 
-size_t tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p,
-                            const char *f, size_t count);
+size_t tty_ldisc_receive_buf(struct tty_ldisc *ld, const u8 *p, const char *f,
+                            size_t count);
 
 void tty_buffer_lock_exclusive(struct tty_port *port);
 void tty_buffer_unlock_exclusive(struct tty_port *port);
index f88529e6a783c4a818855514524c24dd1a7a9527..5551c4400e5989377cd7be2a2499dce70c68186c 100644 (file)
@@ -161,8 +161,8 @@ int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass,
  *
  *     Optional. Can sleep.
  *
- * @receive_buf: [DRV] ``void ()(struct tty_struct *tty,
- *                    const unsigned char *cp, const char *fp, size_t count)``
+ * @receive_buf: [DRV] ``void ()(struct tty_struct *tty, const u8 *cp,
+ *                    const char *fp, size_t count)``
  *
  *     This function is called by the low-level tty driver to send characters
  *     received by the hardware to the line discpline for processing. @cp is
@@ -191,8 +191,8 @@ int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass,
  *
  *     Optional.
  *
- * @receive_buf2: [DRV] ``ssize_t ()(struct tty_struct *tty,
- *                     const unsigned char *cp, const char *fp, size_t count)``
+ * @receive_buf2: [DRV] ``ssize_t ()(struct tty_struct *tty, const u8 *cp,
+ *                     const char *fp, size_t count)``
  *
  *     This function is called by the low-level tty driver to send characters
  *     received by the hardware to the line discpline for processing. @cp is a
@@ -204,8 +204,8 @@ int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass,
  *
  *     Optional.
  *
- * @lookahead_buf: [DRV] ``void ()(struct tty_struct *tty,
- *                     const unsigned char *cp, const char *fp, size_t count)``
+ * @lookahead_buf: [DRV] ``void ()(struct tty_struct *tty, const u8 *cp,
+ *                      const char *fp, size_t count)``
  *
  *     This function is called by the low-level tty driver for characters
  *     not eaten by ->receive_buf() or ->receive_buf2(). It is useful for
@@ -255,13 +255,13 @@ struct tty_ldisc_ops {
        /*
         * The following routines are called from below.
         */
-       void    (*receive_buf)(struct tty_struct *tty, const unsigned char *cp,
+       void    (*receive_buf)(struct tty_struct *tty, const u8 *cp,
                               const char *fp, size_t count);
        void    (*write_wakeup)(struct tty_struct *tty);
        void    (*dcd_change)(struct tty_struct *tty, bool active);
-       size_t  (*receive_buf2)(struct tty_struct *tty, const unsigned char *cp,
+       size_t  (*receive_buf2)(struct tty_struct *tty, const u8 *cp,
                                const char *fp, size_t count);
-       void    (*lookahead_buf)(struct tty_struct *tty, const unsigned char *cp,
+       void    (*lookahead_buf)(struct tty_struct *tty, const u8 *cp,
                                 const unsigned char *fp, size_t count);
 
        struct  module *owner;
index 42cc863cbd53d57beab75370c27533896b2d261d..6d4938e3cbad4cef0807862626dca41787a96130 100644 (file)
@@ -258,8 +258,8 @@ static void v253_hangup(struct tty_struct *tty)
 }
 
 /* Line discipline .receive_buf() */
-static void v253_receive(struct tty_struct *tty, const unsigned char *cp,
-                        const char *fp, size_t count)
+static void v253_receive(struct tty_struct *tty, const u8 *cp, const char *fp,
+                        size_t count)
 {
        struct snd_soc_component *component = tty->disc_data;
        struct cx20442_priv *cx20442;
index 1028b5efcfff84247e732cb28d29883f9a064d2d..371943350fdf9b09c1e0e9d1fa4e2e3dc2fb7f59 100644 (file)
@@ -336,7 +336,7 @@ static void cx81801_hangup(struct tty_struct *tty)
 }
 
 /* Line discipline .receive_buf() */
-static void cx81801_receive(struct tty_struct *tty, const unsigned char *cp,
+static void cx81801_receive(struct tty_struct *tty, const u8 *cp,
                const char *fp, int count)
 {
        struct snd_soc_component *component = tty->disc_data;