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authorSebastian Ott <sebott@linux.vnet.ibm.com>2013-04-16 16:11:14 +0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-04-17 16:07:35 +0400
commita2ab833360abbed3321fd694b69a5a32ee15785f (patch)
treebdf3d75949f7510d4bacfcbddcbe640c9e4cdca3 /arch/s390/pci/pci_debug.c
parentea793788f8ec868e655920f4726b2bd6a881e5ae (diff)
downloadlinux-a2ab833360abbed3321fd694b69a5a32ee15785f.tar.xz
s390/pci: debug device states
Use the debugfs to keep track of a pci function's status changes. Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/pci/pci_debug.c')
-rw-r--r--arch/s390/pci/pci_debug.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/s390/pci/pci_debug.c b/arch/s390/pci/pci_debug.c
index a5d07bc2a547..771b82359af4 100644
--- a/arch/s390/pci/pci_debug.c
+++ b/arch/s390/pci/pci_debug.c
@@ -11,12 +11,17 @@
#include <linux/kernel.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
+#include <linux/export.h>
#include <linux/pci.h>
#include <asm/debug.h>
#include <asm/pci_dma.h>
static struct dentry *debugfs_root;
+debug_info_t *pci_debug_msg_id;
+EXPORT_SYMBOL_GPL(pci_debug_msg_id);
+debug_info_t *pci_debug_err_id;
+EXPORT_SYMBOL_GPL(pci_debug_err_id);
static char *pci_perf_names[] = {
/* hardware counters */
@@ -168,7 +173,6 @@ int __init zpci_debug_init(void)
return -EINVAL;
debug_register_view(pci_debug_msg_id, &debug_sprintf_view);
debug_set_level(pci_debug_msg_id, 3);
- zpci_dbg("Debug view initialized\n");
/* error log */
pci_debug_err_id = debug_register("pci_error", 2, 1, 16);
@@ -176,7 +180,6 @@ int __init zpci_debug_init(void)
return -EINVAL;
debug_register_view(pci_debug_err_id, &debug_hex_ascii_view);
debug_set_level(pci_debug_err_id, 6);
- zpci_err("Debug view initialized\n");
debugfs_root = debugfs_create_dir("pci", NULL);
return 0;