Re: [PATCH v3 2/2] misc: Add iop driver for Sunplus SP7021

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On Thu, Dec 09, 2021 at 04:58:09PM +0800, Tony Huang wrote:
> +	while (1) {
> +		if (p_iop_reg->iop_data7 == 0xaaaa)
> +			break;
> +	}

You can not create a loop that could never exit.  Please fix.

Also, what prevents the compiler from optimizing this away into nothing?
This code does not look correct at all.

> +
> +	writel(0xdd, &p_iop_reg->iop_data1);//8051 bin file call Ultra low function.
> +	mdelay(10);
> +}
> +
> +static int  sp_iop_get_normal_code(struct device *dev, struct sp_iop *iop)
> +{
> +	const struct firmware *fw;
> +	static const char file[] = "normal.bin";
> +	unsigned int err, i;
> +
> +	dev_info(dev, "normal code\n");

Please always delete your debugging code before submitting a patch.

Also, please run checkpatch.pl on your changes before submitting them.

thanks,

greg k-h



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