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authorAnton Arapov <anton@redhat.com>2012-06-08 12:58:00 +0200
committerAnton Arapov <anton@redhat.com>2012-06-08 12:58:00 +0200
commit6792a3f47a2e42d7164292bf7f1a55cfc4c91652 (patch)
treeb90c002bfbbeaec92f5d8a2383dcabf6524016f7 /drivers/bcma/scan.c
parentfe2895d3d55146cac65b273c0f83e2c7e543cd0e (diff)
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fedora kernel: b920e9b748c595f970bf80ede7832d39f8d567dav3.4.1-2
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'drivers/bcma/scan.c')
-rw-r--r--drivers/bcma/scan.c24
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
index 3a2f672db9a..f94cccccfa5 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;
@@ -414,6 +430,8 @@ int bcma_bus_scan(struct bcma_bus *bus)
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",