This patch worked, sorry for the delay.
Tested-by:vcgandhi1@xxxxxxx
Vipul Gandhi
-----Original Message-----
From: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
To: vcgandhi1@xxxxxxx
Cc: linux-serial@xxxxxxxxxxxxxxx
Sent: Thu, 24 Apr 2008 7:02 am
Subject: Re: Change to serial_core.c .... causing my serial driver
problem Help Request
On Wed, 23 Apr 2008, vcgandhi1@xxxxxxx wrote:
Yes that fixes the problem. Sorry for taking some time to test it,
but been
busy buying a house. The process is making me exhausted.
Please do try to get the patch into the mainline, and thank you for
your time.
Thanks for testing, I presume, you tested the generic patch, modifying
drivers/serial/serial_core.c, not setting major and minor numbers in
your
driver. However, on a second thought, I think, you probably were right,
suggesting to use major and minor numbers from the tty device in
serial_match_port. So, if you just could confirm that the patch below
also
works for you, I'll submit it. Sorry for asking you again, I just
cannot
easily test it myself ATM. And if it does work, please add your
"Tested-by:" to it.
Thanks
Guennadi
---
Guennadi Liakhovetski
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 0f5a179..593ae85 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1949,7 +1949,9 @@ struct uart_match {
static int serial_match_port(struct device *dev, void *data)
{
struct uart_match *match = data;
- dev_t devt = MKDEV(match->driver->major, match->driver->minor) +
match->port->line;
+ struct tty_driver *tty_drv = match->driver->tty_driver;
+ dev_t devt = MKDEV(tty_drv->major, tty_drv->minor_start) +
+ match->port->line;
return dev->devt == devt; /* Actually, only one tty per port */
}
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