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mtd: rawnand: Leave chip->IO_ADDR_{R, W} to NULL when unused

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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>
This commit is contained in:
Boris Brezillon 2018-09-07 00:38:33 +02:00 committed by Miquel Raynal
parent 800342de63
commit 4ae9402517
2 changed files with 0 additions and 7 deletions
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3
drivers/mtd/nand/raw/brcmnand/brcmnand.c
View file

@ -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;

4
drivers/mtd/nand/raw/socrates_nand.c
View file

@ -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;