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mtd: rawnand: cs553x: simplify the return expression of cs553x_write_ctrl_byte()

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Simplify the return expression.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220505022354.61458-1-chi.minghao@zte.com.cn
This commit is contained in:
Minghao Chi 2022-05-05 02:23:54 +00:00 committed by Miquel Raynal
parent 773898127e
commit c96f824af0
1 changed files with 1 additions and 6 deletions
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7
drivers/mtd/nand/raw/cs553x_nand.c
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@ -104,17 +104,12 @@ static int cs553x_write_ctrl_byte(struct cs553x_nand_controller *cs553x,
u32 ctl, u8 data)
{
u8 status;
int ret;
writeb(ctl, cs553x->mmio + MM_NAND_CTL);
writeb(data, cs553x->mmio + MM_NAND_IO);
ret = readb_poll_timeout_atomic(cs553x->mmio + MM_NAND_STS, status,
return readb_poll_timeout_atomic(cs553x->mmio + MM_NAND_STS, status,
!(status & CS_NAND_CTLR_BUSY), 1,
100000);
if (ret)
return ret;
return 0;
}
static void cs553x_data_in(struct cs553x_nand_controller *cs553x, void *buf,