summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBoris Brezillon <boris.brezillon@bootlin.com>2018-09-07 00:38:33 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2018-10-03 11:12:25 +0200
commit4ae94025171608e0661372cf846e17d062cb9620 (patch)
treed004d2c3b221bf38522c79256b205d8d97006875
parent800342de6349b333ef2ab921e590708a43ee4345 (diff)
mtd: rawnand: Leave chip->IO_ADDR_{R, W} to NULL when unused
There's no point in poisoning the ->IO_ADDR_{R,W}, a NULL pointer is just as good to detect unexpected ->IO_ADDR_{R,W} usage. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
-rw-r--r--drivers/mtd/nand/raw/brcmnand/brcmnand.c3
-rw-r--r--drivers/mtd/nand/raw/socrates_nand.c4
2 files changed, 0 insertions, 7 deletions
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index fee40a3ce5d2..851db4a7d3e4 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -2270,9 +2270,6 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
mtd->owner = THIS_MODULE;
mtd->dev.parent = &pdev->dev;
- chip->IO_ADDR_R = (void __iomem *)0xdeadbeef;
- chip->IO_ADDR_W = (void __iomem *)0xdeadbeef;
-
chip->cmd_ctrl = brcmnand_cmd_ctrl;
chip->cmdfunc = brcmnand_cmdfunc;
chip->waitfunc = brcmnand_waitfunc;
diff --git a/drivers/mtd/nand/raw/socrates_nand.c b/drivers/mtd/nand/raw/socrates_nand.c
index 64ea9a014054..aa42b4ea4d23 100644
--- a/drivers/mtd/nand/raw/socrates_nand.c
+++ b/drivers/mtd/nand/raw/socrates_nand.c
@@ -152,10 +152,6 @@ static int socrates_nand_probe(struct platform_device *ofdev)
mtd->name = "socrates_nand";
mtd->dev.parent = &ofdev->dev;
- /*should never be accessed directly */
- nand_chip->IO_ADDR_R = (void *)0xdeadbeef;
- nand_chip->IO_ADDR_W = (void *)0xdeadbeef;
-
nand_chip->cmd_ctrl = socrates_nand_cmd_ctrl;
nand_chip->read_byte = socrates_nand_read_byte;
nand_chip->write_buf = socrates_nand_write_buf;