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bcma: add the core unit number

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Some SoCs have two pcie or gmac cores and we need to know the number of
the specific core on the bus. This is the case for the BCM4706.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hauke Mehrtens 2012-01-31 00:03:31 +01:00 committed by John W. Linville
parent 268bd858df
commit 5f2d6171e1
2 changed files with 15 additions and 0 deletions
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14
drivers/bcma/scan.c
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@ -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)
@ -392,6 +403,7 @@ 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;
@ -411,6 +423,8 @@ 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",

1
include/linux/bcma/bcma.h
View File

@ -136,6 +136,7 @@ struct bcma_device {
bool dev_registered;
u8 core_index;
u8 core_unit;
u32 addr;
u32 wrap;