[PATCH 3/5] tty/termbits: remove #ifdef IBSHIFT that is always defined

From: Ilpo Järvinen
Date: Wed May 11 2022 - 06:12:52 EST


IBSHIFT is defined by all architectures.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
drivers/tty/tty_baudrate.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/tty/tty_baudrate.c b/drivers/tty/tty_baudrate.c
index 07bbbfee5635..d10318956c97 100644
--- a/drivers/tty/tty_baudrate.c
+++ b/drivers/tty/tty_baudrate.c
@@ -91,7 +91,6 @@ EXPORT_SYMBOL(tty_termios_baud_rate);

speed_t tty_termios_input_baud_rate(struct ktermios *termios)
{
-#ifdef IBSHIFT
unsigned int cbaud = (termios->c_cflag >> IBSHIFT) & CBAUD;

if (cbaud == B0)
@@ -110,9 +109,6 @@ speed_t tty_termios_input_baud_rate(struct ktermios *termios)
cbaud += 15;
}
return cbaud >= n_baud_table ? 0 : baud_table[cbaud];
-#else /* IBSHIFT */
- return tty_termios_baud_rate(termios);
-#endif /* IBSHIFT */
}
EXPORT_SYMBOL(tty_termios_input_baud_rate);

@@ -152,10 +148,9 @@ void tty_termios_encode_baud_rate(struct ktermios *termios,
termios->c_ispeed = ibaud;
termios->c_ospeed = obaud;

-#ifdef IBSHIFT
if (((termios->c_cflag >> IBSHIFT) & CBAUD) != B0)
ibinput = 1; /* An input speed was specified */
-#endif
+
/* If the user asked for a precise weird speed give a precise weird
* answer. If they asked for a Bfoo speed they may have problems
* digesting non-exact replies so fuzz a bit.
@@ -170,9 +165,7 @@ void tty_termios_encode_baud_rate(struct ktermios *termios,
iclose = 0;

termios->c_cflag &= ~CBAUD;
-#ifdef IBSHIFT
termios->c_cflag &= ~(CBAUD << IBSHIFT);
-#endif

/*
* Our goal is to find a close match to the standard baud rate
@@ -194,12 +187,10 @@ void tty_termios_encode_baud_rate(struct ktermios *termios,
*/
if (ofound == i && !ibinput)
ifound = i;
-#ifdef IBSHIFT
else {
ifound = i;
termios->c_cflag |= (baud_bits[i] << IBSHIFT);
}
-#endif
}
} while (++i < n_baud_table);

--
2.30.2