mtd: rawnand: cs553x: simplify the return expression of cs553x_write_ctrl_byte()
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
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@ -104,17 +104,12 @@ static int cs553x_write_ctrl_byte(struct cs553x_nand_controller *cs553x,
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u32 ctl, u8 data)
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{
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u8 status;
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int ret;
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writeb(ctl, cs553x->mmio + MM_NAND_CTL);
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writeb(data, cs553x->mmio + MM_NAND_IO);
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ret = readb_poll_timeout_atomic(cs553x->mmio + MM_NAND_STS, status,
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return readb_poll_timeout_atomic(cs553x->mmio + MM_NAND_STS, status,
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!(status & CS_NAND_CTLR_BUSY), 1,
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100000);
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if (ret)
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return ret;
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return 0;
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}
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static void cs553x_data_in(struct cs553x_nand_controller *cs553x, void *buf,
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