Pass mtdraw around internally instead of mtd. mtd can be accessed
easily from mtdraw, so we can also drop to_mtd().

Signed-off-by: Sascha Hauer <[email protected]>
---
 drivers/mtd/mtdraw.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/mtd/mtdraw.c b/drivers/mtd/mtdraw.c
index bfae795bd7..089dc54eb4 100644
--- a/drivers/mtd/mtdraw.c
+++ b/drivers/mtd/mtdraw.c
@@ -77,14 +77,10 @@ static struct mtdraw *to_mtdraw(struct cdev *cdev)
        return cdev->priv;
 }
 
-static struct mtd_info *to_mtd(struct cdev *cdev)
+static unsigned int mtdraw_offset_to_block(struct mtdraw *mtdraw, loff_t 
offset)
 {
-       struct mtdraw *mtdraw = to_mtdraw(cdev);
-       return mtdraw->mtd;
-}
+       struct mtd_info *mtd = mtdraw->mtd;
 
-static unsigned int mtdraw_offset_to_block(struct mtd_info *mtd, loff_t offset)
-{
        u64 ofs64 = offset;
 
        do_div(ofs64, mtd->writesize + mtd->oobsize);
@@ -128,12 +124,13 @@ err:
 static ssize_t mtdraw_read(struct cdev *cdev, void *buf, size_t count,
                            loff_t offset, ulong flags)
 {
-       struct mtd_info *mtd = to_mtd(cdev);
+       struct mtdraw *mtdraw = to_mtdraw(cdev);
+       struct mtd_info *mtd = mtdraw->mtd;
        ssize_t retlen = 0, ret = 1, toread;
        ulong numblock;
        int skip;
 
-       numblock = mtdraw_offset_to_block(mtd, offset);
+       numblock = mtdraw_offset_to_block(mtdraw, offset);
        skip = offset - numblock * (mtd->writesize + mtd->oobsize);
 
        while (ret > 0 && count > 0) {
@@ -154,9 +151,11 @@ static ssize_t mtdraw_read(struct cdev *cdev, void *buf, 
size_t count,
 }
 
 #ifdef CONFIG_MTD_WRITE
-static loff_t mtdraw_raw_to_mtd_offset(struct mtd_info *mtd, loff_t offset)
+static loff_t mtdraw_raw_to_mtd_offset(struct mtdraw *mtdraw, loff_t offset)
 {
-       return (loff_t)mtdraw_offset_to_block(mtd, offset) * mtd->writesize;
+       struct mtd_info *mtd = mtdraw->mtd;
+
+       return (loff_t)mtdraw_offset_to_block(mtdraw, offset) * mtd->writesize;
 }
 
 static ssize_t mtdraw_blkwrite(struct mtd_info *mtd, const void *buf,
@@ -190,13 +189,13 @@ static ssize_t mtdraw_write(struct cdev *cdev, const void 
*buf, size_t count,
                            loff_t offset, ulong flags)
 {
        struct mtdraw *mtdraw = to_mtdraw(cdev);
-       struct mtd_info *mtd = to_mtd(cdev);
+       struct mtd_info *mtd = mtdraw->mtd;
        int bsz = mtd->writesize + mtd->oobsize;
        ulong numblock;
        size_t retlen = 0, tofill;
        int ret = 0;
 
-       numblock = mtdraw_offset_to_block(mtd, offset);
+       numblock = mtdraw_offset_to_block(mtdraw, offset);
 
        if (mtdraw->write_fill &&
            mtdraw->write_ofs + mtdraw->write_fill != offset)
@@ -213,13 +212,13 @@ static ssize_t mtdraw_write(struct cdev *cdev, const void 
*buf, size_t count,
        }
 
        if (mtdraw->write_fill == bsz) {
-               numblock = mtdraw_offset_to_block(mtd, mtdraw->write_ofs);
+               numblock = mtdraw_offset_to_block(mtdraw, mtdraw->write_ofs);
                ret = mtdraw_blkwrite(mtd, mtdraw->writebuf,
                                      mtd->writesize * numblock);
                mtdraw->write_fill = 0;
        }
 
-       numblock = mtdraw_offset_to_block(mtd, offset);
+       numblock = mtdraw_offset_to_block(mtdraw, offset);
        while (ret >= 0 && count >= bsz) {
                ret = mtdraw_blkwrite(mtd, buf + retlen,
                                   mtd->writesize * numblock++);
@@ -242,12 +241,13 @@ static ssize_t mtdraw_write(struct cdev *cdev, const void 
*buf, size_t count,
 
 static int mtdraw_erase(struct cdev *cdev, loff_t count, loff_t offset)
 {
-       struct mtd_info *mtd = to_mtd(cdev);
+       struct mtdraw *mtdraw = to_mtdraw(cdev);
+       struct mtd_info *mtd = mtdraw->mtd;
        struct erase_info erase;
        int ret;
 
-       offset = mtdraw_raw_to_mtd_offset(mtd, offset);
-       count = mtdraw_raw_to_mtd_offset(mtd, count);
+       offset = mtdraw_raw_to_mtd_offset(mtdraw, offset);
+       count = mtdraw_raw_to_mtd_offset(mtdraw, count);
 
        memset(&erase, 0, sizeof(erase));
        erase.mtd = mtd;
-- 
2.19.0


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