Dear Greg: > 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. > OK, I will modify it. > 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. > OK, I will delete it. > Also, please run checkpatch.pl on your changes before submitting them. > > thanks, > > greg k-h