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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-22 16:56:22 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-22 16:56:22 -0700 |
commit | ac1b7c378ef26fba6694d5f118fe7fc16fee2fe2 (patch) | |
tree | 3f72979545bb070eb2c3e903cbf31dc4aef3ffc9 /drivers/mtd/mtdcore.c | |
parent | 9e268beb92ee3a853b3946e84b10358207e2085f (diff) | |
parent | c90173f0907486fe4010c2a8cef534e2473db43f (diff) | |
download | op-kernel-dev-ac1b7c378ef26fba6694d5f118fe7fc16fee2fe2.zip op-kernel-dev-ac1b7c378ef26fba6694d5f118fe7fc16fee2fe2.tar.gz |
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (63 commits)
mtd: OneNAND: Allow setting of boundary information when built as module
jffs2: leaking jffs2_summary in function jffs2_scan_medium
mtd: nand: Fix memory leak on txx9ndfmc probe failure.
mtd: orion_nand: use burst reads with double word accesses
mtd/nand: s3c6400 support for s3c2410 driver
[MTD] [NAND] S3C2410: Use DIV_ROUND_UP
[MTD] [NAND] S3C2410: Deal with unaligned lengths in S3C2440 buffer read/write
[MTD] [NAND] S3C2410: Allow the machine code to get the BBT table from NAND
[MTD] [NAND] S3C2410: Added a kerneldoc for s3c2410_nand_set
mtd: physmap_of: Add multiple regions and concatenation support
mtd: nand: max_retries off by one in mxc_nand
mtd: nand: s3c2410_nand_setrate(): use correct macros for 2412/2440
mtd: onenand: add bbt_wait & unlock_all as replaceable for some platform
mtd: Flex-OneNAND support
mtd: nand: add OMAP2/OMAP3 NAND driver
mtd: maps: Blackfin async: fix memory leaks in probe/remove funcs
mtd: uclinux: mark local stuff static
mtd: uclinux: do not allow to be built as a module
mtd: uclinux: allow systems to override map addr/size
mtd: blackfin NFC: fix hang when using NAND on BF527-EZKITs
...
Diffstat (limited to 'drivers/mtd/mtdcore.c')
-rw-r--r-- | drivers/mtd/mtdcore.c | 47 |
1 files changed, 37 insertions, 10 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index bccb4b1..fac54a3 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -23,8 +23,15 @@ #include "mtdcore.h" - -static struct class *mtd_class; +static int mtd_cls_suspend(struct device *dev, pm_message_t state); +static int mtd_cls_resume(struct device *dev); + +static struct class mtd_class = { + .name = "mtd", + .owner = THIS_MODULE, + .suspend = mtd_cls_suspend, + .resume = mtd_cls_resume, +}; /* These are exported solely for the purpose of mtd_blkdevs.c. You should not use them for _anything_ else */ @@ -52,7 +59,26 @@ static void mtd_release(struct device *dev) /* remove /dev/mtdXro node if needed */ if (index) - device_destroy(mtd_class, index + 1); + device_destroy(&mtd_class, index + 1); +} + +static int mtd_cls_suspend(struct device *dev, pm_message_t state) +{ + struct mtd_info *mtd = dev_to_mtd(dev); + + if (mtd->suspend) + return mtd->suspend(mtd); + else + return 0; +} + +static int mtd_cls_resume(struct device *dev) +{ + struct mtd_info *mtd = dev_to_mtd(dev); + + if (mtd->resume) + mtd->resume(mtd); + return 0; } static ssize_t mtd_type_show(struct device *dev, @@ -269,7 +295,7 @@ int add_mtd_device(struct mtd_info *mtd) * physical device. */ mtd->dev.type = &mtd_devtype; - mtd->dev.class = mtd_class; + mtd->dev.class = &mtd_class; mtd->dev.devt = MTD_DEVT(i); dev_set_name(&mtd->dev, "mtd%d", i); if (device_register(&mtd->dev) != 0) { @@ -278,7 +304,7 @@ int add_mtd_device(struct mtd_info *mtd) } if (MTD_DEVT(i)) - device_create(mtd_class, mtd->dev.parent, + device_create(&mtd_class, mtd->dev.parent, MTD_DEVT(i) + 1, NULL, "mtd%dro", i); @@ -604,11 +630,12 @@ done: static int __init init_mtd(void) { - mtd_class = class_create(THIS_MODULE, "mtd"); + int ret; + ret = class_register(&mtd_class); - if (IS_ERR(mtd_class)) { - pr_err("Error creating mtd class.\n"); - return PTR_ERR(mtd_class); + if (ret) { + pr_err("Error registering mtd class: %d\n", ret); + return ret; } #ifdef CONFIG_PROC_FS if ((proc_mtd = create_proc_entry( "mtd", 0, NULL ))) @@ -623,7 +650,7 @@ static void __exit cleanup_mtd(void) if (proc_mtd) remove_proc_entry( "mtd", NULL); #endif /* CONFIG_PROC_FS */ - class_destroy(mtd_class); + class_unregister(&mtd_class); } module_init(init_mtd); |