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>

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 99d83f3..bee180b 100644 (file)
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -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);