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authormerge <null@invalid>2009-01-22 13:55:32 +0000
committerAndy Green <agreen@octopus.localdomain>2009-01-22 13:55:32 +0000
commitaa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch)
treefbb786d0ac6f8a774fd834e9ce951197e60fbffa /arch/sparc/prom/devops_64.c
parentf2d78193eae5dccd3d588d2c8ea0866efc368332 (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green <andy@openmoko.com> fix-stray-endmenu.patch Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'arch/sparc/prom/devops_64.c')
-rw-r--r--arch/sparc/prom/devops_64.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/sparc/prom/devops_64.c b/arch/sparc/prom/devops_64.c
new file mode 100644
index 00000000000..9dbd803e46e
--- /dev/null
+++ b/arch/sparc/prom/devops_64.c
@@ -0,0 +1,41 @@
+/*
+ * devops.c: Device operations using the PROM.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ */
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+
+#include <asm/openprom.h>
+#include <asm/oplib.h>
+
+/* Open the device described by the string 'dstr'. Returns the handle
+ * to that device used for subsequent operations on that device.
+ * Returns 0 on failure.
+ */
+int
+prom_devopen(const char *dstr)
+{
+ return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)|
+ P1275_INOUT(1,1),
+ dstr);
+}
+
+/* Close the device described by device handle 'dhandle'. */
+int
+prom_devclose(int dhandle)
+{
+ p1275_cmd ("close", P1275_INOUT(1,0), dhandle);
+ return 0;
+}
+
+/* Seek to specified location described by 'seekhi' and 'seeklo'
+ * for device 'dhandle'.
+ */
+void
+prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo)
+{
+ p1275_cmd ("seek", P1275_INOUT(3,1), dhandle, seekhi, seeklo);
+}