diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/0041-bcma-add-bus-num-counter.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.2/0041-bcma-add-bus-num-counter.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/0041-bcma-add-bus-num-counter.patch b/target/linux/brcm47xx/patches-3.2/0041-bcma-add-bus-num-counter.patch new file mode 100644 index 000000000..8d49e1ce2 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.2/0041-bcma-add-bus-num-counter.patch @@ -0,0 +1,59 @@ +From eecd733c14952b074d7488934a4f3dc83c9c426b Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +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 <hauke@hauke-m.de> +--- + 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 +@@ -197,6 +197,7 @@ 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; |