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[PATCH] powerpc: remove iSeries_Global_Device_List

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We can now scan the list of device nodes instead.  This also allows us
to remove the Device_list member of struct pci_dn.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell 2006-05-19 16:48:47 +10:00 committed by Paul Mackerras
parent 0d177df15d
commit 96ff6afaf1
3 changed files with 15 additions and 15 deletions
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15
arch/powerpc/platforms/iseries/iommu.c
View File

@ -32,13 +32,11 @@
#include <asm/tce.h>
#include <asm/machdep.h>
#include <asm/abs_addr.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
#include <asm/iseries/hv_call_xm.h>
#include <asm/iseries/iommu.h>
extern struct list_head iSeries_Global_Device_List;
static void tce_build_iSeries(struct iommu_table *tbl, long index, long npages,
unsigned long uaddr, enum dma_data_direction direction)
{
@ -140,10 +138,15 @@ void iommu_table_getparms_iSeries(unsigned long busno,
*/
static struct iommu_table *iommu_table_find(struct iommu_table * tbl)
{
struct pci_dn *pdn;
struct device_node *node;
list_for_each_entry(pdn, &iSeries_Global_Device_List, Device_List) {
struct iommu_table *it = pdn->iommu_table;
for (node = NULL; (node = of_find_all_nodes(node)); ) {
struct pci_dn *pdn = PCI_DN(node);
struct iommu_table *it;
if (pdn == NULL)
continue;
it = pdn->iommu_table;
if ((it != NULL) &&
(it->it_type == TCE_PCI) &&
(it->it_offset == tbl->it_offset) &&

14
arch/powerpc/platforms/iseries/pci.c
View File

@ -50,8 +50,6 @@
*/
static struct device_node *find_Device_Node(int bus, int devfn);
LIST_HEAD(iSeries_Global_Device_List);
static int Pci_Retry_Max = 3; /* Only retry 3 times */
static int Pci_Error_Flag = 1; /* Set Retry Error on. */
@ -245,8 +243,6 @@ void iSeries_pcibios_init(void)
pdn->bussubno = *busp;
pdn->Irq = irq;
pdn->LogicalSlot = *lsn;
list_add_tail(&pdn->Device_List,
&iSeries_Global_Device_List);
}
}
}
@ -338,11 +334,13 @@ EXPORT_SYMBOL(iSeries_memcpy_fromio);
*/
static struct device_node *find_Device_Node(int bus, int devfn)
{
struct pci_dn *pdn;
struct device_node *node;
list_for_each_entry(pdn, &iSeries_Global_Device_List, Device_List) {
if ((bus == pdn->busno) && (devfn == pdn->devfn))
return pdn->node;
for (node = NULL; (node = of_find_all_nodes(node)); ) {
struct pci_dn *pdn = PCI_DN(node);
if (pdn && (bus == pdn->busno) && (devfn == pdn->devfn))
return node;
}
return NULL;
}

1
include/asm-powerpc/pci-bridge.h
View File

@ -79,7 +79,6 @@ struct pci_dn {
struct pci_dev *pcidev; /* back-pointer to the pci device */
struct device_node *node; /* back-pointer to the device_node */
#ifdef CONFIG_PPC_ISERIES
struct list_head Device_List;
int Irq; /* Assigned IRQ */
int Flags; /* Possible flags(disable/bist)*/
u8 LogicalSlot; /* Hv Slot Index for Tces */