> > > > +static void setup_memwin_p2pmem(struct adapter *adap) > > +{ > > + unsigned int mem_base = t4_read_reg(adap, > CIM_EXTMEM2_BASE_ADDR_A); > > + unsigned int mem_size = t4_read_reg(adap, > CIM_EXTMEM2_ADDR_SIZE_A); > > + > > + if (!use_p2pmem) > > + return; > > This is weird, why even call this if !use_p2pmem? > The use_p2pmem was added after the original change. I'll update as you suggest. > > +static int init_p2pmem(struct adapter *adapter) > > +{ > > + unsigned int mem_size = t4_read_reg(adapter, > CIM_EXTMEM2_ADDR_SIZE_A); > > + struct p2pmem_dev *p; > > + int rc; > > + struct resource res; > > + > > + if (!mem_size || !use_p2pmem) > > + return 0; > > Again, weird... Yup.