[PATCH] powerpc: reintroduce HvCallPci_configLoad32

This function was removed during iSeries cleanup but will prove useful
in the following patches.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/iseries/call_pci.h b/arch/powerpc/platforms/iseries/call_pci.h
index 59d4e0ad5cf3..dbdf69850ed9 100644
--- a/arch/powerpc/platforms/iseries/call_pci.h
+++ b/arch/powerpc/platforms/iseries/call_pci.h
@@ -145,6 +145,25 @@ static inline u64 HvCallPci_configLoad16(u16 busNumber, u8 subBusNumber,
         return retVal.rc;
 }
 
+static inline u64 HvCallPci_configLoad32(u16 busNumber, u8 subBusNumber,
+                u8 deviceId, u32 offset, u32 *value)
+{
+        struct HvCallPci_DsaAddr dsa;
+        struct HvCallPci_LoadReturn retVal;
+
+        *((u64*)&dsa) = 0;
+
+        dsa.busNumber = busNumber;
+        dsa.subBusNumber = subBusNumber;
+        dsa.deviceId = deviceId;
+
+        HvCall3Ret16(HvCallPciConfigLoad32, &retVal, *(u64 *)&dsa, offset, 0);
+
+        *value = retVal.value;
+
+        return retVal.rc;
+}
+
 static inline u64 HvCallPci_configStore8(u16 busNumber, u8 subBusNumber,
                 u8 deviceId, u32 offset, u8 value)
 {