@@ -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;
@@ -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;
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> --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 3 --- drivers/mtd/nand/raw/socrates_nand.c | 4 ---- 2 files changed, 7 deletions(-)