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@@ -13,6 +13,7 @@
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#include <linux/kernel.h>
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#include <linux/pci.h>
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+#include <linux/debugfs.h>
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#include <linux/delay.h>
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#include <linux/string.h>
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#include <linux/init.h>
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@@ -32,6 +33,7 @@
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#include <asm/iommu.h>
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#include <asm/tce.h>
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#include <asm/xics.h>
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+#include <asm/debug.h>
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#include "powernv.h"
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#include "pci.h"
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@@ -969,12 +971,33 @@ static void pnv_pci_ioda_setup_DMA(void)
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}
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}
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+static void pnv_pci_ioda_create_dbgfs(void)
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+{
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+#ifdef CONFIG_DEBUG_FS
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+ struct pci_controller *hose, *tmp;
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+ struct pnv_phb *phb;
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+ char name[16];
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+
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+ list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
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+ phb = hose->private_data;
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+
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+ sprintf(name, "PCI%04x", hose->global_number);
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+ phb->dbgfs = debugfs_create_dir(name, powerpc_debugfs_root);
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+ if (!phb->dbgfs)
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+ pr_warning("%s: Error on creating debugfs on PHB#%x\n",
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+ __func__, hose->global_number);
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+ }
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+#endif /* CONFIG_DEBUG_FS */
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+}
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+
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static void pnv_pci_ioda_fixup(void)
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{
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pnv_pci_ioda_setup_PEs();
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pnv_pci_ioda_setup_seg();
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pnv_pci_ioda_setup_DMA();
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+ pnv_pci_ioda_create_dbgfs();
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+
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#ifdef CONFIG_EEH
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eeh_addr_cache_build();
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eeh_init();
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