lkml.org 
[lkml]   [2005]   [Nov]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5/5] Report serial ports without an IRQ correctly
Date
Serial ports which have an IRQ set to NO_IRQ should report "polled" instead
of "irq = -1" or "irq = 0"

Signed-off-by: Matthew Wilcox <matthew@wil.cx>

---

drivers/serial/serial_core.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)

applies-to: aa693abc4cf3b02945bdfdec1ddf14352c8b89c7
d83c67ef7a731df90db77d44542fad00a70cab53
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 2331296..a63b268 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1961,6 +1961,7 @@ static inline void
uart_report_port(struct uart_driver *drv, struct uart_port *port)
{
char address[64];
+ char irq[16];

switch (port->iotype) {
case UPIO_PORT:
@@ -1982,10 +1983,16 @@ uart_report_port(struct uart_driver *drv
break;
}

- printk(KERN_INFO "%s%s%s%d at %s (irq = %d) is a %s\n",
+ if (port->irq == NO_IRQ) {
+ strlcpy(irq, "polled", sizeof(irq));
+ } else {
+ snprintf(irq, sizeof(irq), "irq = %d", port->irq);
+ }
+
+ printk(KERN_INFO "%s%s%s%d at %s (%s) is a %s\n",
port->dev ? port->dev->bus_id : "",
port->dev ? ": " : "",
- drv->dev_name, port->line, address, port->irq, uart_type(port));
+ drv->dev_name, port->line, address, irq, uart_type(port));
}

static void
---
0.99.8.GIT
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-11-22 06:25    [W:0.031 / U:5.556 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site