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authorJiri Slaby <jslaby@suse.cz>2016-05-09 09:11:59 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-25 08:56:30 -0700
commit934014d5220616dc6ea62da6685b79855b164643 (patch)
treeac2d6620c67d77e8c4861060c17c8a5464b3f43c /drivers/tty/serial/8250
parentb0f8aed2cdabb01225b85087d7ea1a88bd22e079 (diff)
downloadop-kernel-dev-934014d5220616dc6ea62da6685b79855b164643.zip
op-kernel-dev-934014d5220616dc6ea62da6685b79855b164643.tar.gz
tty: 8250, kill DEBUG_INTR
Convert DEBUG_INTR to pr_debug: * defined semantics (DEBUG, DYNAMIC_DEBUG) * KERN_DEBUG level instead of KERN_DEFAULT * emit __func__ and \n * verified 'fmt' even when !DEBUG I wonder if anybody ever used that or whether we should just drop the lines. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/8250')
-rw-r--r--drivers/tty/serial/8250/8250.h6
-rw-r--r--drivers/tty/serial/8250/8250_core.c4
-rw-r--r--drivers/tty/serial/8250/8250_port.c6
3 files changed, 5 insertions, 11 deletions
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 563ccbe..31b3d55 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -235,9 +235,3 @@ static inline int serial_index(struct uart_port *port)
{
return port->minor - 64;
}
-
-#if 0
-#define DEBUG_INTR(fmt...) printk(fmt)
-#else
-#define DEBUG_INTR(fmt...) do { } while (0)
-#endif
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index e938ac9..fa823a5 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -114,7 +114,7 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id)
struct list_head *l, *end = NULL;
int pass_counter = 0, handled = 0;
- DEBUG_INTR("serial8250_interrupt(%d)...", irq);
+ pr_debug("%s(%d): start\n", __func__, irq);
spin_lock(&i->lock);
@@ -144,7 +144,7 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id)
spin_unlock(&i->lock);
- DEBUG_INTR("end.\n");
+ pr_debug("%s(%d): end\n", __func__, irq);
return IRQ_RETVAL(handled);
}
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index d403603..b10d05f 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1686,7 +1686,7 @@ static void serial8250_read_char(struct uart_8250_port *up, unsigned char lsr)
lsr &= port->read_status_mask;
if (lsr & UART_LSR_BI) {
- DEBUG_INTR("handling break....");
+ pr_debug("%s: handling break\n", __func__);
flag = TTY_BREAK;
} else if (lsr & UART_LSR_PE)
flag = TTY_PARITY;
@@ -1757,7 +1757,7 @@ void serial8250_tx_chars(struct uart_8250_port *up)
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(port);
- DEBUG_INTR("THRE...");
+ pr_debug("%s: THRE\n", __func__);
/*
* With RPM enabled, we have to wait until the FIFO is empty before the
@@ -1823,7 +1823,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
status = serial_port_in(port, UART_LSR);
- DEBUG_INTR("status = %x...", status);
+ pr_debug("%s: status = %x\n", __func__, status);
if (status & (UART_LSR_DR | UART_LSR_BI)) {
if (!up->dma || handle_rx_dma(up, iir))
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