diff --git a/acpica-tools.spec b/acpica-tools.spec
index 255161a..d077551 100644
--- a/acpica-tools.spec
+++ b/acpica-tools.spec
@@ -40,6 +40,7 @@ Patch13:        cve-2017-13693.patch
 Patch14:        cve-2017-13694.patch
 Patch15:        cve-2017-13695.patch
 Patch16:        str-trunc-warn.patch
+Patch17:	ptr-cast.patch
 
 BuildRequires:  bison patchutils flex gcc
 
@@ -106,6 +107,7 @@ gzip -dc %{SOURCE1} | tar -x --strip-components=1 -f -
 %patch14 -p1 -b .cve-2017-13694
 %patch15 -p1 -b .cve-2017-13695
 %patch16 -p1 -b .str-trunc-warn
+%patch17 -p1 -b .ptr-cast
 
 cp -p %{SOURCE2} README.Fedora
 cp -p %{SOURCE3} iasl.1
@@ -236,7 +238,7 @@ fi
 
 
 %changelog
-* Tue Mar 6 2018 Al Stone <ahs3@redhat.com> - 20180209-1
+* Fri Mar 16 2018 Al Stone <ahs3@redhat.com> - 20180209-1
 - Update to 20180209 source tree, including patch refeshes. Closes BZ#1544048
 - CVE-2017-13693: operand cache leak in dsutils.c -- applied github patch to
   fix the leak.  Resolves BZ#1485346.
@@ -252,6 +254,7 @@ fi
   that value.  Added to the spec file what should happen so that a full and
   complete set of C flags get passed in, not just the small subset that was.
 - Clean up compiler warnings for truncated strings
+- Clean up compiler warnings for pointer casting on 32-bit architectures
 
 * Fri Feb 09 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 20180105-3
 - Escape macros in %%changelog
diff --git a/ptr-cast.patch b/ptr-cast.patch
new file mode 100644
index 0000000..369d308
--- /dev/null
+++ b/ptr-cast.patch
@@ -0,0 +1,48 @@
+diff -Naur acpica-unix2-20180209.orig/source/components/tables/tbutils.c acpica-unix2-20180209/source/components/tables/tbutils.c
+--- acpica-unix2-20180209.orig/source/components/tables/tbutils.c	2018-03-15 16:47:21.831526264 -0600
++++ acpica-unix2-20180209/source/components/tables/tbutils.c	2018-03-15 16:58:20.030097284 -0600
+@@ -238,9 +238,11 @@
+          * 64-bit platform, XSDT: Move (unaligned) 64-bit to local,
+          *  return 64-bit
+          */
+-	Address64 = (UINT64) TableEntry;
+ 
+ #if ACPI_MACHINE_WIDTH == 32
++	UINT32 Tmp32 = (UINT32) TableEntry;
++
++	Address64 = (UINT64) Tmp32;
+         if (Address64 > ACPI_UINT32_MAX)
+         {
+             /* Will truncate 64-bit address to 32 bits, issue warning */
+@@ -250,9 +252,15 @@
+                 " truncating",
+                 ACPI_FORMAT_UINT64 (Address64)));
+         }
+-#endif
++
++        return ((ACPI_PHYSICAL_ADDRESS) (*ACPI_CAST_PTR (
++            UINT32, TableEntry)));
++#else
++	Address64 = (UINT64) TableEntry;
++
+         return ((ACPI_PHYSICAL_ADDRESS) (*ACPI_CAST_PTR (
+             UINT64, Address64)));
++#endif
+     }
+ }
+ 
+diff -Naur acpica-unix2-20180209.orig/source/compiler/aslparseop.c acpica-unix2-20180209/source/compiler/aslparseop.c
+--- acpica-unix2-20180209.orig/source/compiler/aslparseop.c	2018-03-15 17:20:09.844338074 -0600
++++ acpica-unix2-20180209/source/compiler/aslparseop.c	2018-03-15 17:28:19.570800797 -0600
+@@ -287,7 +287,11 @@
+         ParseOpcode == PARSEOP_NAMESEG ||
+         ParseOpcode == PARSEOP_STRING_LITERAL)
+     {
++#if ACPI_MACHINE_WIDTH == 32
++        Op->Asl.Value.String = (char *) (UINT32) Value;
++#else
+         Op->Asl.Value.String = (char *) Value;
++#endif
+     }
+     else
+     {