powerpc/fadump: add source info while displaying region contents

Improve how fadump_region contents are displayed by adding source
information of memory regions that are to be dumped by f/w.

Signed-off-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/156821334740.5656.5897097884010195405.stgit@hbathini.in.ibm.com

arch/powerpc/platforms/pseries/rtas-fadump.c

@@ -204,10 +204,10 @@ static void rtas_fadump_region_show(struct fw_dump *fadump_conf,
 		   be64_to_cpu(fdm_ptr->hpte_region.source_len),
 		   be64_to_cpu(fdm_ptr->hpte_region.bytes_dumped));
 
-	seq_printf(m, "DUMP: [%#016llx-%#016llx] %#llx bytes, Dumped: %#llx\n",
-		   be64_to_cpu(fdm_ptr->rmr_region.destination_address),
-		   be64_to_cpu(fdm_ptr->rmr_region.destination_address) +
-		   be64_to_cpu(fdm_ptr->rmr_region.source_len) - 1,
+	seq_printf(m, "DUMP: Src: %#016llx, Dest: %#016llx, ",
+		   be64_to_cpu(fdm_ptr->rmr_region.source_address),
+		   be64_to_cpu(fdm_ptr->rmr_region.destination_address));
+	seq_printf(m, "Size: %#llx, Dumped: %#llx bytes\n",
 		   be64_to_cpu(fdm_ptr->rmr_region.source_len),
 		   be64_to_cpu(fdm_ptr->rmr_region.bytes_dumped));
 }