95 pci_read_data(struct pci_dev *d, void *buf, int pos, int len)  in pci_read_data()  argument
97   if (pos & (len-1))  in pci_read_data()
98     d->access->error("Unaligned read: pos=%02x, len=%d", pos, len);  in pci_read_data()
99   if (pos + len <= d->cache_len)  in pci_read_data()
100     memcpy(buf, d->cache + pos, len);  in pci_read_data()
101   else if (!d->methods->read(d, pos, buf, len))  in pci_read_data()
106 pci_read_byte(struct pci_dev *d, int pos)  in pci_read_byte()  argument
109   pci_read_data(d, &buf, pos, 1);  in pci_read_byte()
114 pci_read_word(struct pci_dev *d, int pos)  in pci_read_word()  argument
117   pci_read_data(d, &buf, pos, 2);  in pci_read_word()
122 pci_read_long(struct pci_dev *d, int pos)  in pci_read_long()  argument
125   pci_read_data(d, &buf, pos, 4);  in pci_read_long()
130 pci_read_block(struct pci_dev *d, int pos, byte *buf, int len)  in pci_read_block()  argument
132   return d->methods->read(d, pos, buf, len);  in pci_read_block()
136 pci_read_vpd(struct pci_dev *d, int pos, byte *buf, int len)  in pci_read_vpd()  argument
138   return d->methods->read_vpd ? d->methods->read_vpd(d, pos, buf, len) : 0;  in pci_read_vpd()
142 pci_write_data(struct pci_dev *d, void *buf, int pos, int len)  in pci_write_data()  argument
144   if (pos & (len-1))  in pci_write_data()
145     d->access->error("Unaligned write: pos=%02x,len=%d", pos, len);  in pci_write_data()
146   if (pos + len <= d->cache_len)  in pci_write_data()
147     memcpy(d->cache + pos, buf, len);  in pci_write_data()
148   return d->methods->write(d, pos, buf, len);  in pci_write_data()
152 pci_write_byte(struct pci_dev *d, int pos, byte data)  in pci_write_byte()  argument
154   return pci_write_data(d, &data, pos, 1);  in pci_write_byte()
158 pci_write_word(struct pci_dev *d, int pos, word data)  in pci_write_word()  argument
161   return pci_write_data(d, &buf, pos, 2);  in pci_write_word()
165 pci_write_long(struct pci_dev *d, int pos, u32 data)  in pci_write_long()  argument
168   return pci_write_data(d, &buf, pos, 4);  in pci_write_long()
172 pci_write_block(struct pci_dev *d, int pos, byte *buf, int len)  in pci_write_block()  argument
174   if (pos < d->cache_len)  in pci_write_block()
176       int l = (pos + len >= d->cache_len) ? (d->cache_len - pos) : len;  in pci_write_block()
177       memcpy(d->cache + pos, buf, l);  in pci_write_block()
179   return d->methods->write(d, pos, buf, len);  in pci_write_block()