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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@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220519075653.31356-3-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2022-05-19 09:56:52 +02:00 committed by Greg Kroah-Hartman
parent ae1de09341
commit c83a34a530
1 changed files with 1 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/tty/serial/pmac_zilog.c
View File

@ -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. */