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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-10-31 11:42:22 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-10-31 11:42:22 +0000
commit0cf669d5c5d08eb827df9867429df21cf030eba6 (patch)
tree6eb72f3c25f7acc0e67d0e954be8ee4525fbd4c7 /drivers/serial
parentpowerpc: import a fix from arch/ppc/mm/pgtable.c (diff)
downloadlinux-dev-0cf669d5c5d08eb827df9867429df21cf030eba6.tar.xz
linux-dev-0cf669d5c5d08eb827df9867429df21cf030eba6.zip
[SERIAL] Arrange better identification of ports
Folk seem to get confused when they see two or more ttyS0 ports appearing at boot time. One comes from the legacy table, and one from PNP. Hence, display the bus ID of the device which supplied the port. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/serial_core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 401d94a7fe2e..0745ce782974 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1967,7 +1967,9 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port)
break;
}
- printk(KERN_INFO "%s%d at %s (irq = %d) is a %s\n",
+ printk(KERN_INFO "%s%s%s%d at %s (irq = %d) is a %s\n",
+ port->dev ? port->dev->bus_id : "",
+ port->dev ? ": " : "",
drv->dev_name, port->line, address, port->irq, uart_type(port));
}