linux-kernel - Re: sdio: bad CISTPL

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Date:	Sat, 21 Jun 2008 11:00:04 -0400 (EDT)
From:	Nicolas Pitre <nico@....org>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	Pierre Ossman <drzeus@...eus.cx>,
	ARM Linux Mailing List 
	<linux-arm-kernel@...ts.arm.linux.org.uk>,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: sdio: bad CISTPL_FUNCE error

On Fri, 20 Jun 2008, Nicolas Ferre wrote:

> Hi Pierre,
> 
> While trying to setup a GPS SDIO card, I experience the following error:
> "mmc0: bad CISTPL_FUNCE size 28 type 1"

Could you apply this patch and see what it shows:

diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c
index d5e51b1..60ec4d3 100644
--- a/drivers/mmc/core/sdio_cis.c
+++ b/drivers/mmc/core/sdio_cis.c
@@ -149,8 +149,9 @@ static int cistpl_funce(struct mmc_card *card, struct sdio_func *func,
 		ret = cistpl_funce_common(card, buf, size);
 
 	if (ret) {
-		printk(KERN_ERR "%s: bad CISTPL_FUNCE size %u "
-		       "type %u\n", mmc_hostname(card->host), size, buf[0]);
+		printk(KERN_ERR "%s: bad %s CISTPL_FUNCE size %u type %u\n",
+		       mmc_hostname(card->host), func ? "function" : "common",
+		       size, buf[0]);
 		return ret;
 	}
 

> I use a combo card but without mirco sd card inserted.
> http://www.spectec.com.tw/sdg810.htm
> 
> Tracing in sdio_cis.c file, I print the tpl_code (line 216).
> I have 3 successive codes : 0xff, 0x21 & 0x22.

Again that would be good to know if/when func is NULL when those are 
parsed.

> Is this a host controller driver issue ?

Most probably not.


Nicolas
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