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Diffstat (limited to 'arch/ppc64/kernel/iSeries_pci.c')
-rw-r--r--arch/ppc64/kernel/iSeries_pci.c45
1 files changed, 19 insertions, 26 deletions
diff --git a/arch/ppc64/kernel/iSeries_pci.c b/arch/ppc64/kernel/iSeries_pci.c
index bd4c2554f1a..356e4fd9a94 100644
--- a/arch/ppc64/kernel/iSeries_pci.c
+++ b/arch/ppc64/kernel/iSeries_pci.c
@@ -38,9 +38,7 @@
#include <asm/iommu.h>
#include <asm/iSeries/HvCallPci.h>
-#include <asm/iSeries/HvCallSm.h>
#include <asm/iSeries/HvCallXm.h>
-#include <asm/iSeries/LparData.h>
#include <asm/iSeries/iSeries_irq.h>
#include <asm/iSeries/iSeries_pci.h>
#include <asm/iSeries/mf.h>
@@ -225,10 +223,7 @@ static struct iSeries_Device_Node *build_device_node(HvBusNumber Bus,
node->DsaAddr.Dsa.busNumber = Bus;
node->DsaAddr.Dsa.subBusNumber = SubBus;
node->DsaAddr.Dsa.deviceId = 0x10;
- node->AgentId = AgentId;
node->DevFn = PCI_DEVFN(ISERIES_ENCODE_DEVICE(AgentId), Function);
- node->IoRetry = 0;
- iSeries_Get_Location_Code(node);
return node;
}
@@ -302,7 +297,6 @@ void __init iSeries_pci_final_fixup(void)
{
struct pci_dev *pdev = NULL;
struct iSeries_Device_Node *node;
- char Buffer[256];
int DeviceCount = 0;
PPCDBG(PPCDBG_BUSWALK, "iSeries_pcibios_fixup Entry.\n");
@@ -324,9 +318,7 @@ void __init iSeries_pci_final_fixup(void)
"pdev 0x%p <==> DevNode 0x%p\n",
pdev, node);
allocate_device_bars(pdev);
- iSeries_Device_Information(pdev, Buffer,
- sizeof(Buffer));
- printk("%d. %s\n", DeviceCount, Buffer);
+ iSeries_Device_Information(pdev, DeviceCount);
iommu_devnode_init_iSeries(node);
} else
printk("PCI: Device Tree not found for 0x%016lX\n",
@@ -499,7 +491,6 @@ static int scan_bridge_slot(HvBusNumber Bus,
++DeviceCount;
node = build_device_node(Bus, SubBus, EADsIdSel, Function);
- node->Vendor = VendorId;
node->Irq = Irq;
node->LogicalSlot = BridgeInfo->logicalSlotNumber;
@@ -661,38 +652,34 @@ static struct pci_ops iSeries_pci_ops = {
* Check Return Code
* -> On Failure, print and log information.
* Increment Retry Count, if exceeds max, panic partition.
- * -> If in retry, print and log success
*
* PCI: Device 23.90 ReadL I/O Error( 0): 0x1234
* PCI: Device 23.90 ReadL Retry( 1)
* PCI: Device 23.90 ReadL Retry Successful(1)
*/
static int CheckReturnCode(char *TextHdr, struct iSeries_Device_Node *DevNode,
- u64 ret)
+ int *retry, u64 ret)
{
if (ret != 0) {
++Pci_Error_Count;
- ++DevNode->IoRetry;
+ (*retry)++;
printk("PCI: %s: Device 0x%04X:%02X I/O Error(%2d): 0x%04X\n",
TextHdr, DevNode->DsaAddr.Dsa.busNumber, DevNode->DevFn,
- DevNode->IoRetry, (int)ret);
+ *retry, (int)ret);
/*
* Bump the retry and check for retry count exceeded.
* If, Exceeded, panic the system.
*/
- if ((DevNode->IoRetry > Pci_Retry_Max) &&
+ if (((*retry) > Pci_Retry_Max) &&
(Pci_Error_Flag > 0)) {
mf_display_src(0xB6000103);
- panic_timeout = 0;
+ panic_timeout = 0;
panic("PCI: Hardware I/O Error, SRC B6000103, "
"Automatic Reboot Disabled.\n");
}
return -1; /* Retry Try */
}
- /* If retry was in progress, log success and rest retry count */
- if (DevNode->IoRetry > 0)
- DevNode->IoRetry = 0;
- return 0;
+ return 0;
}
/*
@@ -738,6 +725,7 @@ u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress)
{
u64 BarOffset;
u64 dsa;
+ int retry = 0;
struct HvCallPci_LoadReturn ret;
struct iSeries_Device_Node *DevNode =
xlate_iomm_address(IoAddress, &dsa, &BarOffset);
@@ -757,7 +745,7 @@ u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress)
do {
++Pci_Io_Read_Count;
HvCall3Ret16(HvCallPciBarLoad8, &ret, dsa, BarOffset, 0);
- } while (CheckReturnCode("RDB", DevNode, ret.rc) != 0);
+ } while (CheckReturnCode("RDB", DevNode, &retry, ret.rc) != 0);
return (u8)ret.value;
}
@@ -767,6 +755,7 @@ u16 iSeries_Read_Word(const volatile void __iomem *IoAddress)
{
u64 BarOffset;
u64 dsa;
+ int retry = 0;
struct HvCallPci_LoadReturn ret;
struct iSeries_Device_Node *DevNode =
xlate_iomm_address(IoAddress, &dsa, &BarOffset);
@@ -787,7 +776,7 @@ u16 iSeries_Read_Word(const volatile void __iomem *IoAddress)
++Pci_Io_Read_Count;
HvCall3Ret16(HvCallPciBarLoad16, &ret, dsa,
BarOffset, 0);
- } while (CheckReturnCode("RDW", DevNode, ret.rc) != 0);
+ } while (CheckReturnCode("RDW", DevNode, &retry, ret.rc) != 0);
return swab16((u16)ret.value);
}
@@ -797,6 +786,7 @@ u32 iSeries_Read_Long(const volatile void __iomem *IoAddress)
{
u64 BarOffset;
u64 dsa;
+ int retry = 0;
struct HvCallPci_LoadReturn ret;
struct iSeries_Device_Node *DevNode =
xlate_iomm_address(IoAddress, &dsa, &BarOffset);
@@ -817,7 +807,7 @@ u32 iSeries_Read_Long(const volatile void __iomem *IoAddress)
++Pci_Io_Read_Count;
HvCall3Ret16(HvCallPciBarLoad32, &ret, dsa,
BarOffset, 0);
- } while (CheckReturnCode("RDL", DevNode, ret.rc) != 0);
+ } while (CheckReturnCode("RDL", DevNode, &retry, ret.rc) != 0);
return swab32((u32)ret.value);
}
@@ -834,6 +824,7 @@ void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress)
{
u64 BarOffset;
u64 dsa;
+ int retry = 0;
u64 rc;
struct iSeries_Device_Node *DevNode =
xlate_iomm_address(IoAddress, &dsa, &BarOffset);
@@ -853,7 +844,7 @@ void iSeries_Write_Byte(u8 data, volatile void __iomem *IoAddress)
do {
++Pci_Io_Write_Count;
rc = HvCall4(HvCallPciBarStore8, dsa, BarOffset, data, 0);
- } while (CheckReturnCode("WWB", DevNode, rc) != 0);
+ } while (CheckReturnCode("WWB", DevNode, &retry, rc) != 0);
}
EXPORT_SYMBOL(iSeries_Write_Byte);
@@ -861,6 +852,7 @@ void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress)
{
u64 BarOffset;
u64 dsa;
+ int retry = 0;
u64 rc;
struct iSeries_Device_Node *DevNode =
xlate_iomm_address(IoAddress, &dsa, &BarOffset);
@@ -880,7 +872,7 @@ void iSeries_Write_Word(u16 data, volatile void __iomem *IoAddress)
do {
++Pci_Io_Write_Count;
rc = HvCall4(HvCallPciBarStore16, dsa, BarOffset, swab16(data), 0);
- } while (CheckReturnCode("WWW", DevNode, rc) != 0);
+ } while (CheckReturnCode("WWW", DevNode, &retry, rc) != 0);
}
EXPORT_SYMBOL(iSeries_Write_Word);
@@ -888,6 +880,7 @@ void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress)
{
u64 BarOffset;
u64 dsa;
+ int retry = 0;
u64 rc;
struct iSeries_Device_Node *DevNode =
xlate_iomm_address(IoAddress, &dsa, &BarOffset);
@@ -907,6 +900,6 @@ void iSeries_Write_Long(u32 data, volatile void __iomem *IoAddress)
do {
++Pci_Io_Write_Count;
rc = HvCall4(HvCallPciBarStore32, dsa, BarOffset, swab32(data), 0);
- } while (CheckReturnCode("WWL", DevNode, rc) != 0);
+ } while (CheckReturnCode("WWL", DevNode, &retry, rc) != 0);
}
EXPORT_SYMBOL(iSeries_Write_Long);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-20 11:10:19 +0000