xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtd: rawnand: Pass a nand_chip object to chip->read_xxx() hooks

Browse Source 
Let's make the raw NAND API consistent by patching all helpers and
hooks to take a nand_chip object instead of an mtd_info one or
remove the mtd_info object when both are passed.

Let's tackle all chip->read_xxx() hooks at once.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Boris Brezillon
2018-09-06 14:05:22 +02:00
committed by Miquel Raynal
parent 767eb6fbde
commit 7e534323c4
42 changed files with 186 additions and 247 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/mtd/nand/raw/tango_nand.c
View File

@@ -135,16 +135,16 @@ static int tango_dev_ready(struct mtd_info *mtd)
return readl_relaxed(nfc->pbus_base + PBUS_CS_CTRL) & PBUS_IORDY;
}
static u8 tango_read_byte(struct mtd_info *mtd)
static u8 tango_read_byte(struct nand_chip *chip)
{
struct tango_chip *tchip = to_tango_chip(mtd_to_nand(mtd));
struct tango_chip *tchip = to_tango_chip(chip);
return readb_relaxed(tchip->base + PBUS_DATA);
}
static void tango_read_buf(struct mtd_info *mtd, u8 *buf, int len)
static void tango_read_buf(struct nand_chip *chip, u8 *buf, int len)
{
struct tango_chip *tchip = to_tango_chip(mtd_to_nand(mtd));
struct tango_chip *tchip = to_tango_chip(chip);
ioread8_rep(tchip->base + PBUS_DATA, buf, len);
}
@@ -325,15 +325,13 @@ static int tango_write_page(struct nand_chip *chip, const u8 *buf,
static void aux_read(struct nand_chip *chip, u8 **buf, int len, int *pos)
{
struct mtd_info *mtd = nand_to_mtd(chip);
*pos += len;
if (!*buf) {
/* skip over "len" bytes */
nand_change_read_column_op(chip, *pos, NULL, 0, false);
} else {
tango_read_buf(mtd, *buf, len);
tango_read_buf(chip, *buf, len);
*buf += len;
}
}