Hi Ben and David,
I have found one problem with input overrun. My problem is of course on Microblaze with uart16550.
Here is the behavior - I just pressed left arrow.
~ # fdasfdakjsdhfkajsdhfkjadklasdjfhajksdhfkahsdfjkahsdkjfhjkattyS0: 3 input overrun(s)
[[DttyS0: 3 input overrun(s)
[[[[[DDDahsdk[[[[D[DDjfhjka[D [[[DttyS0: 6 input overrun(s)jk[[D[D[[D[[
[[[[D[Dsd[[Dhfkah[[[[DD[[DDsdfjk[[D[D[[[[D[[[D[Dsd[[Dhfkah[[[[DD[[DDsdfjk[[D[D[[
D[[[[DDDahsdk[[[[D[DDjfhjka[D
-sh: fdasfdakjsdhfkajsdhfkjadklasdjfhajk[[D[[[D[Dsd[[Dhfkah[[[[DD[[DDsdfjk[[D[D[[D[[[[DDDahsdk[[[[D[DDjfhjka[D: not found
I bisected it and yours Subject patch caused my problems. It is really old patch and I was surprised how old it is.
Here is your diff
diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index 02406ba..54483cd 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -67,7 +67,7 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev,
port->type = type;
port->uartclk = *clk;
port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP
- | UPF_FIXED_PORT | UPF_FIXED_TYPE;
+ | UPF_FIXED_PORT;
port->dev = &ofdev->dev;
/* If current-speed was set, then try not to change it. */
if (spd)
If I trace port->type I am getting 3. (drivers/serial/8250.c:3089 serial8250_register_port func 3118 - serial8250_register_port)
Grant: Could you please print that value on ppc?
Can you give me any hints what could be wrong? I will continue on it tomorrow.
Thanks,
Michal