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authorBoris Brezillon <boris.brezillon@bootlin.com>2018-09-07 00:38:34 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2018-10-03 11:12:25 +0200
commit82fc5099744e5f30cd8c9ee13075f28fb37e9518 (patch)
tree19fa15428ac6dbb8bc79bac579c9914b1e2010cb /drivers/mtd/nand/raw/pasemi_nand.c
parentmtd: rawnand: Leave chip->IO_ADDR_{R, W} to NULL when unused (diff)
downloadlinux-82fc5099744e5f30cd8c9ee13075f28fb37e9518.tar.xz
linux-82fc5099744e5f30cd8c9ee13075f28fb37e9518.zip
mtd: rawnand: Create a legacy struct and move ->IO_ADDR_{R, W} there
We regularly have new NAND controller drivers that are making use of fields/hooks that we want to get rid of but can't because of all the legacy drivers that we might break if we do. So, instead of removing those fields/hooks, let's move them to a sub-struct which is clearly documented as deprecated. We start with the ->IO_ADDR_{R,W] fields. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'drivers/mtd/nand/raw/pasemi_nand.c')
-rw-r--r--drivers/mtd/nand/raw/pasemi_nand.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/mtd/nand/raw/pasemi_nand.c b/drivers/mtd/nand/raw/pasemi_nand.c
index a1e3bf7a276b..1b367bf9ef53 100644
--- a/drivers/mtd/nand/raw/pasemi_nand.c
+++ b/drivers/mtd/nand/raw/pasemi_nand.c
@@ -46,22 +46,22 @@ static const char driver_name[] = "pasemi-nand";
static void pasemi_read_buf(struct nand_chip *chip, u_char *buf, int len)
{
while (len > 0x800) {
- memcpy_fromio(buf, chip->IO_ADDR_R, 0x800);
+ memcpy_fromio(buf, chip->legacy.IO_ADDR_R, 0x800);
buf += 0x800;
len -= 0x800;
}
- memcpy_fromio(buf, chip->IO_ADDR_R, len);
+ memcpy_fromio(buf, chip->legacy.IO_ADDR_R, len);
}
static void pasemi_write_buf(struct nand_chip *chip, const u_char *buf,
int len)
{
while (len > 0x800) {
- memcpy_toio(chip->IO_ADDR_R, buf, 0x800);
+ memcpy_toio(chip->legacy.IO_ADDR_R, buf, 0x800);
buf += 0x800;
len -= 0x800;
}
- memcpy_toio(chip->IO_ADDR_R, buf, len);
+ memcpy_toio(chip->legacy.IO_ADDR_R, buf, len);
}
static void pasemi_hwcontrol(struct nand_chip *chip, int cmd,
@@ -71,9 +71,9 @@ static void pasemi_hwcontrol(struct nand_chip *chip, int cmd,
return;
if (ctrl & NAND_CLE)
- out_8(chip->IO_ADDR_W + (1 << CLE_PIN_CTL), cmd);
+ out_8(chip->legacy.IO_ADDR_W + (1 << CLE_PIN_CTL), cmd);
else
- out_8(chip->IO_ADDR_W + (1 << ALE_PIN_CTL), cmd);
+ out_8(chip->legacy.IO_ADDR_W + (1 << ALE_PIN_CTL), cmd);
/* Push out posted writes */
eieio();
@@ -117,10 +117,10 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
/* Link the private data with the MTD structure */
pasemi_nand_mtd->dev.parent = dev;
- chip->IO_ADDR_R = of_iomap(np, 0);
- chip->IO_ADDR_W = chip->IO_ADDR_R;
+ chip->legacy.IO_ADDR_R = of_iomap(np, 0);
+ chip->legacy.IO_ADDR_W = chip->legacy.IO_ADDR_R;
- if (!chip->IO_ADDR_R) {
+ if (!chip->legacy.IO_ADDR_R) {
err = -EIO;
goto out_mtd;
}
@@ -169,7 +169,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
out_lpc:
release_region(lpcctl, 4);
out_ior:
- iounmap(chip->IO_ADDR_R);
+ iounmap(chip->legacy.IO_ADDR_R);
out_mtd:
kfree(chip);
out:
@@ -190,7 +190,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev)
release_region(lpcctl, 4);
- iounmap(chip->IO_ADDR_R);
+ iounmap(chip->legacy.IO_ADDR_R);
/* Free the MTD device structure */
kfree(chip);