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authorJörn Engel <joern@logfs.org>2010-04-27 09:40:52 +0200
committerJens Axboe <jens.axboe@oracle.com>2010-04-27 09:50:58 +0200
commita33eb6b91034c95b9b08576f68be170f995b2c7d (patch)
treeb7981861cdd4c9bb074de707a0bc78e1cf894cde /drivers/mtd/mtdcore.c
parente6d086d83cf7f102d48c006f58172a69ec0c15a4 (diff)
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Move mtd_bdi_*mappable to mtdcore.c
Removes one .h and one .c file that are never used outside of mtdcore.c. Signed-off-by: Joern Engel <joern@logfs.org> Edited to remove on leftover debug define. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/mtd/mtdcore.c')
-rw-r--r--drivers/mtd/mtdcore.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 5b38b17..541d556 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -2,6 +2,9 @@
* Core registration and callback routines for MTD
* drivers and users.
*
+ * bdi bits are:
+ * Copyright © 2006 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
*/
#include <linux/module.h>
@@ -16,11 +19,39 @@
#include <linux/init.h>
#include <linux/mtd/compatmac.h>
#include <linux/proc_fs.h>
+#include <linux/backing-dev.h>
#include <linux/mtd/mtd.h>
-#include "internal.h"
#include "mtdcore.h"
+/*
+ * backing device capabilities for non-mappable devices (such as NAND flash)
+ * - permits private mappings, copies are taken of the data
+ */
+struct backing_dev_info mtd_bdi_unmappable = {
+ .capabilities = BDI_CAP_MAP_COPY,
+};
+
+/*
+ * backing device capabilities for R/O mappable devices (such as ROM)
+ * - permits private mappings, copies are taken of the data
+ * - permits non-writable shared mappings
+ */
+struct backing_dev_info mtd_bdi_ro_mappable = {
+ .capabilities = (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT |
+ BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP),
+};
+
+/*
+ * backing device capabilities for writable mappable devices (such as RAM)
+ * - permits private mappings, copies are taken of the data
+ * - permits non-writable shared mappings
+ */
+struct backing_dev_info mtd_bdi_rw_mappable = {
+ .capabilities = (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT |
+ BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP |
+ BDI_CAP_WRITE_MAP),
+};
static int mtd_cls_suspend(struct device *dev, pm_message_t state);
static int mtd_cls_resume(struct device *dev);
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