linux-kernel - Re: stallion driver dmesg notice

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Message-id: <304615082222625376@wsc.cz>
Date:	Mon,  4 Jun 2007 00:13:10 +0200 (CEST)
From:	Jiri Slaby <jirislaby@...il.com>
To:	"Ingo Korb" <ml@...na.de>
Cc:	<linux-kernel@...r.kernel.org>
Subject: Re: stallion driver dmesg notice

Ingo Korb wrote:
> Stallion Multiport Serial Driver: version 5.6.0
> stallion 0000:00:0b.0: please, report this to LKML: 100b/d001/ffffff
> ACPI: PCI Interrupt 0000:00:0b.0[A] -> GSI 19 (level, low) -> IRQ 17
> stallion: probe of 0000:00:0b.0 failed with error -16
> === Cut ===
>
> The card is a EC8/32-PCI with a single connected panel. It used to work 
> well with 2.4, mostly well with a patched 2.6.8.1, really bad 
> (unstable, lost characters) with 2.6.11(?) and doesn't work at all with 
> 2.6.21.3.

Hmm, breakage in 2.6.11 is interesting, I'll try to dig through logs, what
could happen.

> Should I test it with an EC8/64-PCI? The /32 (ab)uses an IDE controller 
> chip as PCI interface, the /64 uses a PLX PCI9050.

I don't undestand this. IDE grabs the device? This is possible and if yes,
I'll fix the IDE driver.

Could you please try the patch below?

--
stallion, don't fail with less than max panels

Signed-off-by: Jiri Slaby <jirislaby@...il.com>

---
commit a6c3fb453e98ba32291a4fc5a7d843fb27359182
tree d28d09d3fa53b7af465c7b4cc88c295459c96276
parent 8785a2ca27122a0a46119fc57e7667bf9c916df4
author Jiri Slaby <jirislaby@...il.com> Mon, 04 Jun 2007 00:05:16 +0200
committer Jiri Slaby <jirislaby@...il.com> Mon, 04 Jun 2007 00:07:32 +0200

 drivers/char/stallion.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index 05f492d..9820f49 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -2172,7 +2172,7 @@ static int __devinit stl_initech(struct stlbrd *brdp)
 		}
 		status = inb(ioaddr + ECH_PNLSTATUS);
 		if ((status & ECH_PNLIDMASK) != nxtid)
-			goto err_fr;
+			break;
 		panelp = kzalloc(sizeof(struct stlpanel), GFP_KERNEL);
 		if (!panelp) {
 			printk("STALLION: failed to allocate memory "
-
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