diff options
| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-07 13:52:31 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-11 10:51:42 +0300 |
| commit | ce8148d7b8f204a18188e3cd7386c8dddbb461a1 (patch) | |
| tree | 49afca727a95a4a4859674b1ee99306324a9a472 /drivers/mtd/nand/raw/nand_base.c | |
| parent | 96d627bdf112d116a79c86435550cd18b9a9d82b (diff) | |
| download | linux-ce8148d7b8f204a18188e3cd7386c8dddbb461a1.tar.xz | |
mtd: rawnand: Rename a NAND chip option
NAND controller drivers can set the NAND_USE_BOUNCE_BUFFER flag to a
chip 'option' field. With this flag, the core is responsible of
providing DMA-able buffers.
The current behavior is to not force the use of a bounce buffer when
the core thinks this is not needed. So in the end the name is a bit
misleading, because in theory we will always have a DMA buffer but in
practice it will not always be a bounce buffer.
Rename this flag NAND_USES_DMA to be more accurate.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://lore.kernel.org/linux-mtd/20200507105241.14299-4-miquel.raynal@bootlin.com
Diffstat (limited to 'drivers/mtd/nand/raw/nand_base.c')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_base.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 106edd514c00..906b8cd94bc4 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -3241,7 +3241,7 @@ static int nand_do_read_ops(struct nand_chip *chip, loff_t from, if (!aligned) use_bufpoi = 1; - else if (chip->options & NAND_USE_BOUNCE_BUFFER) + else if (chip->options & NAND_USES_DMA) use_bufpoi = !virt_addr_valid(buf) || !IS_ALIGNED((unsigned long)buf, chip->buf_align); @@ -4067,7 +4067,7 @@ static int nand_do_write_ops(struct nand_chip *chip, loff_t to, if (part_pagewr) use_bufpoi = 1; - else if (chip->options & NAND_USE_BOUNCE_BUFFER) + else if (chip->options & NAND_USES_DMA) use_bufpoi = !virt_addr_valid(buf) || !IS_ALIGNED((unsigned long)buf, chip->buf_align); |