From eecd733c14952b074d7488934a4f3dc83c9c426b Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sat, 14 Jan 2012 16:29:51 +0100 Subject: [PATCH 28/32] 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 --- drivers/bcma/main.c | 12 +++++++++++- include/linux/bcma/bcma.h | 1 + 2 files changed, 12 insertions(+), 1 deletions(-) --- 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 bc 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 b 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) { --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h @@ -196,6 +196,7 @@ struct bcma_bus { struct list_head cores; u8 nr_cores; u8 init_done:1; + u8 num; struct bcma_drv_cc drv_cc; struct bcma_drv_pci drv_pci;