diff options
Diffstat (limited to 'drivers/bcma/scan.c')
-rw-r--r-- | drivers/bcma/scan.c | 43 |
1 files changed, 32 insertions, 11 deletions
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c index cad994857683..f94cccccfa56 100644 --- a/drivers/bcma/scan.c +++ b/drivers/bcma/scan.c @@ -212,6 +212,17 @@ static struct bcma_device *bcma_find_core_by_index(struct bcma_bus *bus, return NULL; } +static struct bcma_device *bcma_find_core_reverse(struct bcma_bus *bus, u16 coreid) +{ + struct bcma_device *core; + + list_for_each_entry_reverse(core, &bus->cores, list) { + if (core->id.id == coreid) + return core; + } + return NULL; +} + static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, struct bcma_device_id *match, int core_num, struct bcma_device *core) @@ -353,6 +364,7 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, void bcma_init_bus(struct bcma_bus *bus) { s32 tmp; + struct bcma_chipinfo *chipinfo = &(bus->chipinfo); if (bus->init_done) return; @@ -363,9 +375,12 @@ void bcma_init_bus(struct bcma_bus *bus) bcma_scan_switch_core(bus, BCMA_ADDR_BASE); tmp = bcma_scan_read32(bus, 0, BCMA_CC_ID); - bus->chipinfo.id = (tmp & BCMA_CC_ID_ID) >> BCMA_CC_ID_ID_SHIFT; - bus->chipinfo.rev = (tmp & BCMA_CC_ID_REV) >> BCMA_CC_ID_REV_SHIFT; - bus->chipinfo.pkg = (tmp & BCMA_CC_ID_PKG) >> BCMA_CC_ID_PKG_SHIFT; + chipinfo->id = (tmp & BCMA_CC_ID_ID) >> BCMA_CC_ID_ID_SHIFT; + chipinfo->rev = (tmp & BCMA_CC_ID_REV) >> BCMA_CC_ID_REV_SHIFT; + chipinfo->pkg = (tmp & BCMA_CC_ID_PKG) >> BCMA_CC_ID_PKG_SHIFT; + pr_info("Found chip with id 0x%04X, rev 0x%02X and package 0x%02X\n", + chipinfo->id, chipinfo->rev, chipinfo->pkg); + bus->init_done = true; } @@ -392,6 +407,7 @@ int bcma_bus_scan(struct bcma_bus *bus) bcma_scan_switch_core(bus, erombase); while (eromptr < eromend) { + struct bcma_device *other_core; struct bcma_device *core = kzalloc(sizeof(*core), GFP_KERNEL); if (!core) return -ENOMEM; @@ -399,18 +415,23 @@ int bcma_bus_scan(struct bcma_bus *bus) core->bus = bus; err = bcma_get_next_core(bus, &eromptr, NULL, core_num, core); - if (err == -ENODEV) { - core_num++; - continue; - } else if (err == -ENXIO) - continue; - else if (err == -ESPIPE) - break; - else if (err < 0) + if (err < 0) { + kfree(core); + if (err == -ENODEV) { + core_num++; + continue; + } else if (err == -ENXIO) { + continue; + } else if (err == -ESPIPE) { + break; + } return err; + } core->core_index = core_num++; bus->nr_cores++; + other_core = bcma_find_core_reverse(bus, core->id.id); + core->core_unit = (other_core == NULL) ? 0 : other_core->core_unit + 1; pr_info("Core %d found: %s " "(manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n", |