mtd: doc: do not initialize mtd_info fields to 0 or NULL

The 'struct mtd_info' object is allocated with 'kzalloc()', so it
contains only zeroes - no need to initialize various fields to 0 or
NULL.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

4 files changed, 0 insertions, 29 deletions

diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index e9fad9151219..b1cdf6479019 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -562,23 +562,14 @@ void DoC2k_init(struct mtd_info *mtd)
 
         mtd->type = MTD_NANDFLASH;
         mtd->flags = MTD_CAP_NANDFLASH;
-        mtd->size = 0;
-        mtd->erasesize = 0;
         mtd->writesize = 512;
         mtd->oobsize = 16;
         mtd->owner = THIS_MODULE;
         mtd->erase = doc_erase;
-        mtd->point = NULL;
-        mtd->unpoint = NULL;
         mtd->read = doc_read;
         mtd->write = doc_write;
         mtd->read_oob = doc_read_oob;
         mtd->write_oob = doc_write_oob;
-        mtd->sync = NULL;
-
-        this->totlen = 0;
-        this->numchips = 0;
-
         this->curfloor = -1;
         this->curchip = -1;
         mutex_init(&this->lock);
diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c
index a3f7a27499be..7543b98f46c4 100644
--- a/drivers/mtd/devices/doc2001.c
+++ b/drivers/mtd/devices/doc2001.c
@@ -343,25 +343,17 @@ void DoCMil_init(struct mtd_info *mtd)
 
         mtd->type = MTD_NANDFLASH;
         mtd->flags = MTD_CAP_NANDFLASH;
-        mtd->size = 0;
 
         /* FIXME: erase size is not always 8KiB */
         mtd->erasesize = 0x2000;
-
         mtd->writesize = 512;
         mtd->oobsize = 16;
         mtd->owner = THIS_MODULE;
         mtd->erase = doc_erase;
-        mtd->point = NULL;
-        mtd->unpoint = NULL;
         mtd->read = doc_read;
         mtd->write = doc_write;
         mtd->read_oob = doc_read_oob;
         mtd->write_oob = doc_write_oob;
-        mtd->sync = NULL;
-
-        this->totlen = 0;
-        this->numchips = 0;
         this->curfloor = -1;
         this->curchip = -1;
 
diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c
index 99351bc3e0ed..177510d0e7ee 100644
--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -467,23 +467,14 @@ void DoCMilPlus_init(struct mtd_info *mtd)
 
         mtd->type = MTD_NANDFLASH;
         mtd->flags = MTD_CAP_NANDFLASH;
-        mtd->size = 0;
-
-        mtd->erasesize = 0;
         mtd->writesize = 512;
         mtd->oobsize = 16;
         mtd->owner = THIS_MODULE;
         mtd->erase = doc_erase;
-        mtd->point = NULL;
-        mtd->unpoint = NULL;
         mtd->read = doc_read;
         mtd->write = doc_write;
         mtd->read_oob = doc_read_oob;
         mtd->write_oob = doc_write_oob;
-        mtd->sync = NULL;
-
-        this->totlen = 0;
-        this->numchips = 0;
         this->curfloor = -1;
         this->curchip = -1;
 
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 22d5099f7786..ad11ef0a81f4 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -1821,13 +1821,10 @@ static void __init doc_set_driver_info(int chip_id, struct mtd_info *mtd)
         mtd->oobsize = DOC_LAYOUT_OOB_SIZE;
         mtd->owner = THIS_MODULE;
         mtd->erase = doc_erase;
-        mtd->point = NULL;
-        mtd->unpoint = NULL;
         mtd->read = doc_read;
         mtd->write = doc_write;
         mtd->read_oob = doc_read_oob;
         mtd->write_oob = doc_write_oob;
-        mtd->sync = NULL;
         mtd->block_isbad = doc_block_isbad;
         mtd->ecclayout = &docg3_oobinfo;
 }