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s390/pci: debug device states

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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>
This commit is contained in:
Sebastian Ott
2013-04-16 14:11:14 +02:00
committed by Martin Schwidefsky
parent ea793788f8
commit a2ab833360
5 changed files with 19 additions and 16 deletions
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3
arch/s390/pci/pci.c
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@@ -99,9 +99,6 @@ static int __read_mostly aisb_max;
static struct kmem_cache *zdev_irq_cache;
static struct kmem_cache *zdev_fmb_cache;
debug_info_t *pci_debug_msg_id;
debug_info_t *pci_debug_err_id;
static inline int irq_to_msi_nr(unsigned int irq)
{
return irq & ZPCI_MSI_MASK;