diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mtd/Makefile | 2 | ||||
-rw-r--r-- | drivers/mtd/internal.h | 17 | ||||
-rw-r--r-- | drivers/mtd/mtdbdi.c | 43 | ||||
-rw-r--r-- | drivers/mtd/mtdcore.c | 33 |
4 files changed, 33 insertions, 62 deletions
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile index 82d1e4de475b..4521b1ecce45 100644 --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile | |||
@@ -4,7 +4,7 @@ | |||
4 | 4 | ||
5 | # Core functionality. | 5 | # Core functionality. |
6 | obj-$(CONFIG_MTD) += mtd.o | 6 | obj-$(CONFIG_MTD) += mtd.o |
7 | mtd-y := mtdcore.o mtdsuper.o mtdbdi.o | 7 | mtd-y := mtdcore.o mtdsuper.o |
8 | mtd-$(CONFIG_MTD_PARTITIONS) += mtdpart.o | 8 | mtd-$(CONFIG_MTD_PARTITIONS) += mtdpart.o |
9 | 9 | ||
10 | obj-$(CONFIG_MTD_CONCAT) += mtdconcat.o | 10 | obj-$(CONFIG_MTD_CONCAT) += mtdconcat.o |
diff --git a/drivers/mtd/internal.h b/drivers/mtd/internal.h index c658fe7216b5..e69de29bb2d1 100644 --- a/drivers/mtd/internal.h +++ b/drivers/mtd/internal.h | |||
@@ -1,17 +0,0 @@ | |||
1 | /* Internal MTD definitions | ||
2 | * | ||
3 | * Copyright © 2006 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the License, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | /* | ||
13 | * mtdbdi.c | ||
14 | */ | ||
15 | extern struct backing_dev_info mtd_bdi_unmappable; | ||
16 | extern struct backing_dev_info mtd_bdi_ro_mappable; | ||
17 | extern struct backing_dev_info mtd_bdi_rw_mappable; | ||
diff --git a/drivers/mtd/mtdbdi.c b/drivers/mtd/mtdbdi.c index 5ca5aed0b225..e69de29bb2d1 100644 --- a/drivers/mtd/mtdbdi.c +++ b/drivers/mtd/mtdbdi.c | |||
@@ -1,43 +0,0 @@ | |||
1 | /* MTD backing device capabilities | ||
2 | * | ||
3 | * Copyright © 2006 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the License, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #include <linux/backing-dev.h> | ||
13 | #include <linux/mtd/mtd.h> | ||
14 | #include "internal.h" | ||
15 | |||
16 | /* | ||
17 | * backing device capabilities for non-mappable devices (such as NAND flash) | ||
18 | * - permits private mappings, copies are taken of the data | ||
19 | */ | ||
20 | struct backing_dev_info mtd_bdi_unmappable = { | ||
21 | .capabilities = BDI_CAP_MAP_COPY, | ||
22 | }; | ||
23 | |||
24 | /* | ||
25 | * backing device capabilities for R/O mappable devices (such as ROM) | ||
26 | * - permits private mappings, copies are taken of the data | ||
27 | * - permits non-writable shared mappings | ||
28 | */ | ||
29 | struct backing_dev_info mtd_bdi_ro_mappable = { | ||
30 | .capabilities = (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT | | ||
31 | BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP), | ||
32 | }; | ||
33 | |||
34 | /* | ||
35 | * backing device capabilities for writable mappable devices (such as RAM) | ||
36 | * - permits private mappings, copies are taken of the data | ||
37 | * - permits non-writable shared mappings | ||
38 | */ | ||
39 | struct backing_dev_info mtd_bdi_rw_mappable = { | ||
40 | .capabilities = (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT | | ||
41 | BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP | | ||
42 | BDI_CAP_WRITE_MAP), | ||
43 | }; | ||
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 5b38b17d2229..541d556aec7e 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c | |||
@@ -2,6 +2,9 @@ | |||
2 | * Core registration and callback routines for MTD | 2 | * Core registration and callback routines for MTD |
3 | * drivers and users. | 3 | * drivers and users. |
4 | * | 4 | * |
5 | * bdi bits are: | ||
6 | * Copyright © 2006 Red Hat, Inc. All Rights Reserved. | ||
7 | * Written by David Howells (dhowells@redhat.com) | ||
5 | */ | 8 | */ |
6 | 9 | ||
7 | #include <linux/module.h> | 10 | #include <linux/module.h> |
@@ -16,11 +19,39 @@ | |||
16 | #include <linux/init.h> | 19 | #include <linux/init.h> |
17 | #include <linux/mtd/compatmac.h> | 20 | #include <linux/mtd/compatmac.h> |
18 | #include <linux/proc_fs.h> | 21 | #include <linux/proc_fs.h> |
22 | #include <linux/backing-dev.h> | ||
19 | 23 | ||
20 | #include <linux/mtd/mtd.h> | 24 | #include <linux/mtd/mtd.h> |
21 | #include "internal.h" | ||
22 | 25 | ||
23 | #include "mtdcore.h" | 26 | #include "mtdcore.h" |
27 | /* | ||
28 | * backing device capabilities for non-mappable devices (such as NAND flash) | ||
29 | * - permits private mappings, copies are taken of the data | ||
30 | */ | ||
31 | struct backing_dev_info mtd_bdi_unmappable = { | ||
32 | .capabilities = BDI_CAP_MAP_COPY, | ||
33 | }; | ||
34 | |||
35 | /* | ||
36 | * backing device capabilities for R/O mappable devices (such as ROM) | ||
37 | * - permits private mappings, copies are taken of the data | ||
38 | * - permits non-writable shared mappings | ||
39 | */ | ||
40 | struct backing_dev_info mtd_bdi_ro_mappable = { | ||
41 | .capabilities = (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT | | ||
42 | BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP), | ||
43 | }; | ||
44 | |||
45 | /* | ||
46 | * backing device capabilities for writable mappable devices (such as RAM) | ||
47 | * - permits private mappings, copies are taken of the data | ||
48 | * - permits non-writable shared mappings | ||
49 | */ | ||
50 | struct backing_dev_info mtd_bdi_rw_mappable = { | ||
51 | .capabilities = (BDI_CAP_MAP_COPY | BDI_CAP_MAP_DIRECT | | ||
52 | BDI_CAP_EXEC_MAP | BDI_CAP_READ_MAP | | ||
53 | BDI_CAP_WRITE_MAP), | ||
54 | }; | ||
24 | 55 | ||
25 | static int mtd_cls_suspend(struct device *dev, pm_message_t state); | 56 | static int mtd_cls_suspend(struct device *dev, pm_message_t state); |
26 | static int mtd_cls_resume(struct device *dev); | 57 | static int mtd_cls_resume(struct device *dev); |