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mtd: rawnand: oxnas: Keep track of registered devices 

All initialized and registered devices should be listed somewhere so
that we can unregister/free them in the _remove() path.

This patch is not a fix per-se but is needed to apply three other
fixes coming right after, explaining the Fixes/Cc: stable tags.

Fixes: 6685924924 ("mtd: nand: Add OX820 NAND Support")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-36-miquel.raynal@bootlin.com
alistair/sunxi64-5.8
Miquel Raynal 2020-05-19 15:00:08 +02:00
parent f342df67b1
commit 383fc3f613
1 changed files with 4 additions and 4 deletions
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8
drivers/mtd/nand/raw/oxnas_nand.c
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@ -32,6 +32,7 @@ struct oxnas_nand_ctrl {
void __iomem *io_base;
struct clk *clk;
struct nand_chip *chips[OXNAS_NAND_MAX_CHIPS];
unsigned int nchips;
};
static uint8_t oxnas_nand_read_byte(struct nand_chip *chip)
@ -79,7 +80,6 @@ static int oxnas_nand_probe(struct platform_device *pdev)
struct nand_chip *chip;
struct mtd_info *mtd;
struct resource *res;
int nchips = 0;
int count = 0;
int err = 0;
@ -145,12 +145,12 @@ static int oxnas_nand_probe(struct platform_device *pdev)
goto err_release_child;
}
oxnas->chips[nchips] = chip;
++nchips;
oxnas->chips[oxnas->nchips] = chip;
++oxnas->nchips;
}
/* Exit if no chips found */
if (!nchips) {
if (!oxnas->nchips) {
err = -ENODEV;
goto err_clk_unprepare;
}