diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2012-01-31 00:03:36 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-02-06 14:53:05 -0500 |
| commit | 8f9ada4fa1926e540b1562cb9bacb3e51a698c35 (patch) | |
| tree | def07cbceee8d55da9288ab1157835d784360805 /drivers/bcma | |
| parent | 49dc9577155576b10ff79f0c1486c816b01f58bf (diff) | |
| download | linux-rt-8f9ada4fa1926e540b1562cb9bacb3e51a698c35.tar.gz | |
bcma: add bus num counter
If we have two bcma buses on one computer the second will not work
without this patch. Now each bus gets an own number.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/bcma')
| -rw-r--r-- | drivers/bcma/main.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index 3363036f23dc..bcd1c01cde9e 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -13,6 +13,12 @@ MODULE_DESCRIPTION("Broadcom's specific AMBA driver"); MODULE_LICENSE("GPL"); +/* contains the number the next bus should get. */ +static unsigned int bcma_bus_next_num = 0; + +/* bcma_buses_mutex locks the bcma_bus_next_num */ +static DEFINE_MUTEX(bcma_buses_mutex); + static int bcma_bus_match(struct device *dev, struct device_driver *drv); static int bcma_device_probe(struct device *dev); static int bcma_device_remove(struct device *dev); @@ -93,7 +99,7 @@ static int bcma_register_cores(struct bcma_bus *bus) core->dev.release = bcma_release_core_dev; core->dev.bus = &bcma_bus_type; - dev_set_name(&core->dev, "bcma%d:%d", 0/*bus->num*/, dev_id); + dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id); switch (bus->hosttype) { case BCMA_HOSTTYPE_PCI: @@ -137,6 +143,10 @@ int __devinit bcma_bus_register(struct bcma_bus *bus) int err; struct bcma_device *core; + mutex_lock(&bcma_buses_mutex); + bus->num = bcma_bus_next_num++; + mutex_unlock(&bcma_buses_mutex); + /* Scan for devices (cores) */ err = bcma_bus_scan(bus); if (err) { |