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authorOndrej Zary <linux@rainbow-software.org>2006-07-30 03:03:55 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-31 13:28:41 -0700
commit3ae192080cb4d007792d13522efa98ebe7f15475 (patch)
tree98786f16ad5946c907b17b6c46be1076349a4a3c /drivers/pnp
parent5b6509aa8c2f292caea7c0602ec361f920951508 (diff)
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[PATCH] Fix swsusp with PNP BIOS
swsusp is unable to suspend my machine (DTK FortisPro TOP-5A notebook) with kernel 2.6.17.5 because it's unable to suspend PNP device 00:16 (mouse). The problem is in PNP BIOS. pnp_bus_suspend() calls pnp_stop_dev() for the device if the device can be disabled according to pnp_can_disable(). The problem is that pnpbios_disable_resources() returns -EPERM if the device is not dynamic (!pnpbios_is_dynamic()) but insert_device() happily sets PNP_DISABLE capability/flag even if the device is not dynamic. So we try to disable non-dynamic devices which will fail. This patch prevents insert_device() from setting PNP_DISABLE if the device is not dynamic and fixes suspend on my system. Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/pnp')
-rw-r--r--drivers/pnp/pnpbios/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index b154b3f52cb..551f58e2981 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -346,7 +346,7 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node * node)
dev->flags = node->flags;
if (!(dev->flags & PNPBIOS_NO_CONFIG))
dev->capabilities |= PNP_CONFIGURABLE;
- if (!(dev->flags & PNPBIOS_NO_DISABLE))
+ if (!(dev->flags & PNPBIOS_NO_DISABLE) && pnpbios_is_dynamic(dev))
dev->capabilities |= PNP_DISABLE;
dev->capabilities |= PNP_READ;
if (pnpbios_is_dynamic(dev))