diff options
Diffstat (limited to 'drivers/ssb/pci.c')
| -rw-r--r-- | drivers/ssb/pci.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c index a8dbb06623c..6dcda86be6e 100644 --- a/drivers/ssb/pci.c +++ b/drivers/ssb/pci.c @@ -168,7 +168,7 @@ err_pci: } /* Get the word-offset for a SSB_SPROM_XXX define. */ -#define SPOFF(offset) (((offset) - SSB_SPROM_BASE) / sizeof(u16)) +#define SPOFF(offset) ((offset) / sizeof(u16)) /* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */ #define SPEX16(_outvar, _offset, _mask, _shift) \ out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift)) @@ -254,7 +254,7 @@ static int sprom_do_read(struct ssb_bus *bus, u16 *sprom) int i; for (i = 0; i < bus->sprom_size; i++) - sprom[i] = ioread16(bus->mmio + SSB_SPROM_BASE + (i * 2)); + sprom[i] = ioread16(bus->mmio + bus->sprom_offset + (i * 2)); return 0; } @@ -285,7 +285,7 @@ static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom) ssb_printk("75%%"); else if (i % 2) ssb_printk("."); - writew(sprom[i], bus->mmio + SSB_SPROM_BASE + (i * 2)); + writew(sprom[i], bus->mmio + bus->sprom_offset + (i * 2)); mmiowb(); msleep(20); } @@ -621,6 +621,17 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus, int err = -ENOMEM; u16 *buf; + if (!ssb_is_sprom_available(bus)) { + ssb_printk(KERN_ERR PFX "No SPROM available!\n"); + return -ENODEV; + } + if (bus->chipco.dev) { /* can be unavailible! */ + bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ? + SSB_SPROM_BASE1 : SSB_SPROM_BASE31; + } else { + bus->sprom_offset = SSB_SPROM_BASE1; + } + buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL); if (!buf) goto out; |