UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

mtd: Hook I/O activity to the MTD LED trigger 

Now that we've added the MTD LED trigger, we need
to call each I/O path to ledtrig_mtd_activity.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
This commit is contained in:
Ezequiel Garcia 2016-04-12 17:46:42 -03:00 committed by Jacek Anaszewski
parent 4c7e054f08
commit fea728c098
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/mtd/mtdcore.c
View File

@ -40,6 +40,7 @@
#include <linux/slab.h>
#include <linux/reboot.h>
#include <linux/kconfig.h>
#include <linux/leds.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@ -862,6 +863,7 @@ int mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
mtd_erase_callback(instr);
return 0;
}
ledtrig_mtd_activity();
return mtd->_erase(mtd, instr);
}
EXPORT_SYMBOL_GPL(mtd_erase);
@ -925,6 +927,7 @@ int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
if (!len)
return 0;
ledtrig_mtd_activity();
/*
* In the absence of an error, drivers return a non-negative integer
* representing the maximum number of bitflips that were corrected on
@ -949,6 +952,7 @@ int mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
return -EROFS;
if (!len)
return 0;
ledtrig_mtd_activity();
return mtd->_write(mtd, to, len, retlen, buf);
}
EXPORT_SYMBOL_GPL(mtd_write);
@ -982,6 +986,8 @@ int mtd_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops)
ops->retlen = ops->oobretlen = 0;
if (!mtd->_read_oob)
return -EOPNOTSUPP;
ledtrig_mtd_activity();
/*
* In cases where ops->datbuf != NULL, mtd->_read_oob() has semantics
* similar to mtd->_read(), returning a non-negative integer
@ -1005,6 +1011,7 @@ int mtd_write_oob(struct mtd_info *mtd, loff_t to,
return -EOPNOTSUPP;
if (!(mtd->flags & MTD_WRITEABLE))
return -EROFS;
ledtrig_mtd_activity();
return mtd->_write_oob(mtd, to, ops);
}
EXPORT_SYMBOL_GPL(mtd_write_oob);