svn commit: r291400 - head/sys/boot/kshim

[Zbigniew Bodek]

Author: zbb
Date: Fri Nov 27 18:14:45 2015
New Revision: 291400
URL: https://svnweb.freebsd.org/changeset/base/291400

Log:
  Implement missing bus_space_subregion in kshim
  
  Add missing function, used by exynos5_ehci driver.
  
  Reviewed by:   hselasky
  Submitted by:  Wojciech Macek <wma at semihalf.com>
  Obtained from: Semihalf
  Sponsored by:  Juniper Networks Inc.
  Differential Revision: https://reviews.freebsd.org/D4141

Modified:
  head/sys/boot/kshim/bsd_busspace.c
  head/sys/boot/kshim/bsd_kernel.h

Modified: head/sys/boot/kshim/bsd_busspace.c
==============================================================================
--- head/sys/boot/kshim/bsd_busspace.c	Fri Nov 27 18:13:28 2015	(r291399)
+++ head/sys/boot/kshim/bsd_busspace.c	Fri Nov 27 18:14:45 2015	(r291400)
@@ -37,6 +37,15 @@ struct burst {
 	uint32_t dw7;
 };
 
+int
+bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
+    bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp)
+{
+
+	*nbshp = bsh + offset;
+	return (0);
+}
+
 void
 bus_space_read_multi_1(bus_space_tag_t t, bus_space_handle_t h,
     bus_size_t offset, uint8_t *datap, bus_size_t count)

Modified: head/sys/boot/kshim/bsd_kernel.h
==============================================================================
--- head/sys/boot/kshim/bsd_kernel.h	Fri Nov 27 18:13:28 2015	(r291399)
+++ head/sys/boot/kshim/bsd_kernel.h	Fri Nov 27 18:14:45 2015	(r291400)
@@ -397,6 +397,8 @@ int	bus_generic_shutdown(device_t dev);
 int	bus_generic_suspend(device_t dev);
 int	bus_generic_print_child(device_t dev, device_t child);
 void	bus_generic_driver_added(device_t dev, driver_t *driver);
+int	bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
+    bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp);
 
 /* BUS SPACE API */