diff options
| -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); |
