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authorMichal Marek <mmarek@suse.cz>2010-08-04 15:59:13 +0400
committerMichal Marek <mmarek@suse.cz>2010-08-04 15:59:13 +0400
commit772320e84588dcbe1600ffb83e5f328f2209ac2a (patch)
treea7de21b79340aeaa17c58126f6b801b82c77b53a /arch/powerpc/platforms/iseries/pci.c
parent1ce53adf13a54375d2a5c7cdbe341b2558389615 (diff)
parent9fe6206f400646a2322096b56c59891d530e8d51 (diff)
downloadlinux-772320e84588dcbe1600ffb83e5f328f2209ac2a.tar.xz
Merge commit 'v2.6.35' into kbuild/kbuild
Conflicts: arch/powerpc/Makefile
Diffstat (limited to 'arch/powerpc/platforms/iseries/pci.c')
-rw-r--r--arch/powerpc/platforms/iseries/pci.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 175aac8ca7e5..ab3962b0d246 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -27,10 +27,12 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/string.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/of.h>
+#include <linux/ratelimit.h>
#include <asm/types.h>
#include <asm/io.h>
@@ -443,7 +445,11 @@ void __init iSeries_pcibios_fixup_resources(struct pci_dev *pdev)
}
allocate_device_bars(pdev);
- iseries_device_information(pdev, bus, *sub_bus);
+ if (likely(sub_bus))
+ iseries_device_information(pdev, bus, *sub_bus);
+ else
+ printk(KERN_ERR "PCI: Device node %s has missing or invalid "
+ "linux,subbus property\n", node->full_name);
}
/*
@@ -583,14 +589,9 @@ static inline struct device_node *xlate_iomm_address(
orig_addr = (unsigned long __force)addr;
if ((orig_addr < BASE_IO_MEMORY) || (orig_addr >= max_io_memory)) {
- static unsigned long last_jiffies;
- static int num_printed;
+ static DEFINE_RATELIMIT_STATE(ratelimit, 60 * HZ, 10);
- if (time_after(jiffies, last_jiffies + 60 * HZ)) {
- last_jiffies = jiffies;
- num_printed = 0;
- }
- if (num_printed++ < 10)
+ if (__ratelimit(&ratelimit))
printk(KERN_ERR
"iSeries_%s: invalid access at IO address %p\n",
func, addr);