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Message-Id: <20220519075653.31356-3-jslaby@suse.cz>
Date: Thu, 19 May 2022 09:56:52 +0200
From: Jiri Slaby <jslaby@...e.cz>
To: gregkh@...uxfoundation.org
Cc: linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
Jiri Slaby <jslaby@...e.cz>,
Michael Ellerman <mpe@...erman.id.au>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>
Subject: [PATCH 3/4] serial: pmac_zilog: remove tracing prints
Remove debug printouts upon function enter/exit. This can be achieved
better by tracing.
Remove also the one protected by DEBUG_HARD which is not defined anyway.
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
drivers/tty/serial/pmac_zilog.c | 26 +-------------------------
1 file changed, 1 insertion(+), 25 deletions(-)
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 9a2150bf477a..c6961f299f3b 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -24,7 +24,6 @@
*/
#undef DEBUG
-#undef DEBUG_HARD
#undef USE_CTRL_O_SYSRQ
#include <linux/module.h>
@@ -442,9 +441,6 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id)
spin_lock(&uap_a->port.lock);
r3 = read_zsreg(uap_a, R3);
-#ifdef DEBUG_HARD
- pmz_debug("irq, r3: %x\n", r3);
-#endif
/* Channel A */
push = false;
if (r3 & (CHAEXT | CHATxIP | CHARxIP)) {
@@ -609,8 +605,6 @@ static void pmz_start_tx(struct uart_port *port)
struct uart_pmac_port *uap = to_pmz(port);
unsigned char status;
- pmz_debug("pmz: start_tx()\n");
-
uap->flags |= PMACZILOG_FLAG_TX_ACTIVE;
uap->flags &= ~PMACZILOG_FLAG_TX_STOPPED;
@@ -632,7 +626,7 @@ static void pmz_start_tx(struct uart_port *port)
struct circ_buf *xmit = &port->state->xmit;
if (uart_circ_empty(xmit))
- goto out;
+ return;
write_zsdata(uap, xmit->buf[xmit->tail]);
zssync(uap);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
@@ -641,8 +635,6 @@ static void pmz_start_tx(struct uart_port *port)
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(&uap->port);
}
- out:
- pmz_debug("pmz: start_tx() done.\n");
}
/*
@@ -655,13 +647,9 @@ static void pmz_stop_rx(struct uart_port *port)
{
struct uart_pmac_port *uap = to_pmz(port);
- pmz_debug("pmz: stop_rx()()\n");
-
/* Disable all RX interrupts. */
uap->curregs[R1] &= ~RxINT_MASK;
pmz_maybe_update_regs(uap);
-
- pmz_debug("pmz: stop_rx() done.\n");
}
/*
@@ -906,8 +894,6 @@ static int pmz_startup(struct uart_port *port)
unsigned long flags;
int pwr_delay = 0;
- pmz_debug("pmz: startup()\n");
-
uap->flags |= PMACZILOG_FLAG_IS_OPEN;
/* A console is never powered down. Else, power up and
@@ -943,8 +929,6 @@ static int pmz_startup(struct uart_port *port)
pmz_interrupt_control(uap, 1);
spin_unlock_irqrestore(&port->lock, flags);
- pmz_debug("pmz: startup() done.\n");
-
return 0;
}
@@ -953,8 +937,6 @@ static void pmz_shutdown(struct uart_port *port)
struct uart_pmac_port *uap = to_pmz(port);
unsigned long flags;
- pmz_debug("pmz: shutdown()\n");
-
spin_lock_irqsave(&port->lock, flags);
/* Disable interrupt requests for the channel */
@@ -983,8 +965,6 @@ static void pmz_shutdown(struct uart_port *port)
pmz_set_scc_power(uap, 0); /* Shut the chip down */
spin_unlock_irqrestore(&port->lock, flags);
-
- pmz_debug("pmz: shutdown() done.\n");
}
/* Shared by TTY driver and serial console setup. The port lock is held
@@ -1229,8 +1209,6 @@ static void __pmz_set_termios(struct uart_port *port, struct ktermios *termios,
struct uart_pmac_port *uap = to_pmz(port);
unsigned long baud;
- pmz_debug("pmz: set_termios()\n");
-
/* XXX Check which revs of machines actually allow 1 and 4Mb speeds
* on the IR dongle. Note that the IRTTY driver currently doesn't know
* about the FIR mode and high speed modes. So these are unused. For
@@ -1264,8 +1242,6 @@ static void __pmz_set_termios(struct uart_port *port, struct ktermios *termios,
pmz_maybe_update_regs(uap);
}
uart_update_timeout(port, termios->c_cflag, baud);
-
- pmz_debug("pmz: set_termios() done.\n");
}
/* The port lock is not held. */
--
2.36.1
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