From: CarlosRomero <caberome@bellsouth.net>
To: linux-kernel@vger.kernel.org
Subject: simple pnp bios io resources bug makes system unusable
Date: Mon, 30 Jun 2003 23:38:17 -0400 [thread overview]
Message-ID: <3F010229.4020201@bellsouth.net> (raw)
cat /sys/devices/pnp0/00\:0c/name
Reserved Motherboard Resources
cat /sys/devices/pnp0/00\:0c/resources
state = active
io 0x4d0-0x4d1
io 0xcf8-0xcff
io 0x3f7-0x3f7
io 0x401-0x407
io 0x298-0x298
io 0x00000000-0xffffffff
mem 0xfffe0000-0xffffffff
mem 0x100000-0x7ffffff
fixup: check for null io base, other devices are now able to initialize.
static void current_ioresource(struct pnp_resource_table * res, int io,
int len)
{
int i = 0;
+ if (!io) return;
while ((res->port_resource[i].flags & IORESOURCE_IO) && i <
PNP_MAX_PORT) i++;
if (i < PNP_MAX_PORT) {
res->port_resource[i].start = (unsigned long) io;
res->port_resource[i].end = (unsigned long)(io + len - 1);
res->port_resource[i].flags = IORESOURCE_IO; // Also
clears _UNSET flag
}
}
next reply other threads:[~2003-07-01 6:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-01 3:38 CarlosRomero [this message]
2003-07-01 22:30 ` simple pnp bios io resources bug makes system unusable Adam Belay
2003-07-02 17:20 ` Linus Torvalds
-- strict thread matches above, loose matches on Subject: below --
2003-07-01 5:54 CarlosRomero
2003-07-01 22:37 ` Adam Belay
2003-07-01 7:30 Shawn Starr
2003-07-01 21:33 Shawn Starr
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