powerpc/powernv: Specify proper data type for PCI_SLOT_ID_PREFIX
authorGavin Shan <gwshan@linux.vnet.ibm.com>
Tue, 2 Aug 2016 04:10:31 +0000 (14:10 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 4 Oct 2016 05:29:46 +0000 (16:29 +1100)
This fixes the warning reported from sparse:

  eeh-powernv.c:875:23: warning: constant 0x8000000000000000 is so big it is unsigned long

Fixes: ebe225312739 ("powerpc/powernv: Support PCI slot ID")
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/pnv-pci.h

index 17e89dd..74b0b1e 100644 (file)
@@ -15,7 +15,7 @@
 #include <misc/cxl-base.h>
 #include <asm/opal-api.h>
 
-#define PCI_SLOT_ID_PREFIX     0x8000000000000000
+#define PCI_SLOT_ID_PREFIX     (1UL << 63)
 #define PCI_SLOT_ID(phb_id, bdfn)      \
        (PCI_SLOT_ID_PREFIX | ((uint64_t)(bdfn) << 16) | (phb_id))