The offset variable is set, but never used afterward.
Fix indent. Fix predecrement without justification.
Remove use of parenthesis where unnecessary.

Fixes: 5d40b3d384dc ("mtd: spi-nor: Add parallel and stacked memories support")
Signed-off-by: Marek Vasut <[email protected]>
---
Cc: Andre Przywara <[email protected]>
Cc: Ashok Reddy Soma <[email protected]>
Cc: Jagan Teki <[email protected]>
Cc: Michael Walle <[email protected]>
Cc: Michal Simek <[email protected]>
Cc: Patrice Chotard <[email protected]>
Cc: Patrick Delaunay <[email protected]>
Cc: Pratyush Yadav <[email protected]>
Cc: Quentin Schulz <[email protected]>
Cc: Sean Anderson <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Takahiro Kuwano <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Tudor Ambarus <[email protected]>
Cc: Venkatesh Yadav Abbarapu <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
 drivers/mtd/spi/spi-nor-core.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 3c47751348e..e49b7cad023 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -1134,12 +1134,10 @@ static int spi_nor_erase(struct mtd_info *mtd, struct 
erase_info *instr)
                        offset /= 2;
 
                if (nor->flags & SNOR_F_HAS_STACKED) {
-                       if (offset >= (mtd->size / 2)) {
-                               offset = offset - (mtd->size / 2);
+                       if (offset >= (mtd->size / 2))
                                nor->spi->flags |= SPI_XFER_U_PAGE;
-                       } else {
+                       else
                                nor->spi->flags &= ~SPI_XFER_U_PAGE;
-                       }
                }
 #ifdef CONFIG_SPI_FLASH_BAR
                ret = write_bar(nor, addr);
@@ -1588,7 +1586,7 @@ static int spi_nor_read(struct mtd_info *mtd, loff_t 
from, size_t len,
        dev_dbg(nor->dev, "from 0x%08x, len %zd\n", (u32)from, len);
 
        if ((nor->flags & SNOR_F_HAS_PARALLEL) && (offset & 1)) {
-           /* We can hit this case when we use file system like ubifs */
+               /* We can hit this case when we use file system like ubifs */
                from--;
                len++;
                is_ofst_odd = true;
@@ -1969,9 +1967,9 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, 
size_t len,
                        return ret;
 
                *retlen += 1; /* We've written only one actual byte */
-               ++buf;
-               --len;
-               ++to;
+               buf++;
+               len--;
+               to++;
        }
 
        for (i = 0; i < len; ) {
@@ -1991,7 +1989,7 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, 
size_t len,
 
                        page_offset = do_div(aux, nor->page_size);
                }
-               offset = (to + i);
+               offset = to + i;
                if (nor->flags & SNOR_F_HAS_PARALLEL)
                        offset /= 2;
 
-- 
2.45.2

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