On 16-11-07 08:39, Zhao Yakui wrote:
Subject: PNP: Increase the value of PNP constant
From: Zhao Yakui <[email protected]>
On some systems the number of resources(IO,MEM) returnedy by PNP
device is greater than the PNP constant, for example motherboard devices.
It brings that some resources can't be reserved and resource confilicts.
This will cause PCI resources are assigned wrongly in some systems, and
cause hang. This is a regression since we deleted ACPI motherboard
driver and use PNP system driver.
Andrew, I thought this is an urgent issue and should be fixed ASAP, and
this is a good candidate for -stable tree
Signed-off-by: Li Shaohua <[email protected]>
Signed-off-by: Zhao Yakui <[email protected]>
---
drivers/pnp/pnpacpi/rsparser.c | 18 ++++++++++++++++--
include/linux/pnp.h | 4 ++--
2 files changed, 18 insertions(+), 4 deletions(-)
Index: linux-2.6.24-rc2/include/linux/pnp.h
===================================================================
--- linux-2.6.24-rc2.orig/include/linux/pnp.h
+++ linux-2.6.24-rc2/include/linux/pnp.h
@@ -13,8 +13,8 @@
#include <linux/errno.h>
#include <linux/mod_devicetable.h>
-#define PNP_MAX_PORT 8
-#define PNP_MAX_MEM 4
+#define PNP_MAX_PORT 24
+#define PNP_MAX_MEM 12
This fairly significantly grows (for example?) a struct pnp_resource_table.
Are 24 and 12 really sensible?
Rene.
-
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