pi@MyPi ~ $ lsusb
Bus 001 Device 002: ID 0424:9514 Standard Microsystems Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp.
Bus 001 Device 004: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter
Bus 001 Device 005: ID 0e8f:2519 GreenAsia Inc.
pi@MyPi ~ $ dmesg
[    0.000000] Booting Linux on physical CPU 0xf00
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Initializing cgroup subsys cpuacct
[    0.000000] Linux version 3.18.7-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.8.3 20140303 (prerelease) (crosstool-NG linaro-1.13.1+bzr2650 - Linaro GCC 2014.03) ) #755 SMP PREEMPT Thu Feb 12 17:20:48 GMT 2015
[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine model: Raspberry Pi 2 Model B
[    0.000000] cma: Reserved 8 MiB at 0x36800000
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] On node 0 totalpages: 225280
[    0.000000] free_area_init_node: node 0, pgdat 80820480, node_mem_map b6113000
[    0.000000]   Normal zone: 1760 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 225280 pages, LIFO batch:31
[    0.000000] [bcm2709_smp_init_cpus] enter (8620->f3003010)
[    0.000000] [bcm2709_smp_init_cpus] ncores=4
[    0.000000] PERCPU: Embedded 11 pages/cpu @b60dd000 s12864 r8192 d24000 u45056
[    0.000000] pcpu-alloc: s12864 r8192 d24000 u45056 alloc=11*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 223520
[    0.000000] Kernel command line: dma.dmachans=0x7f35 bcm2708_fb.fbwidth=1024 bcm2708_fb.fbheight=768 bcm2709.boardrev=0xa01041 bcm2709.serial=0xaf5b7912 smsc95xx.macaddr=B8:27:EB:5B:79:12 bcm2708_fb.fbswap=1 bcm2709.disk_led_gpio=47 bcm2709.disk_led_active_low=0 sdhci-bcm2708.emmc_clock_freq=250000000 vc_mem.mem_base=0x3dc00000 vc_mem.mem_size=0x3f000000  dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Memory: 875716K/901120K available (5785K kernel code, 377K rwdata, 1760K rodata, 396K init, 771K bss, 25404K reserved)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xffe00000   (2048 kB)
[    0.000000]     vmalloc : 0xb7800000 - 0xff000000   (1144 MB)
[    0.000000]     lowmem  : 0x80000000 - 0xb7000000   ( 880 MB)
[    0.000000]     modules : 0x7f000000 - 0x80000000   (  16 MB)
[    0.000000]       .text : 0x80008000 - 0x80766748   (7546 kB)
[    0.000000]       .init : 0x80767000 - 0x807ca000   ( 396 kB)
[    0.000000]       .data : 0x807ca000 - 0x808287ec   ( 378 kB)
[    0.000000]        .bss : 0x808287ec - 0x808e96d4   ( 772 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000] NR_IRQS:480
[    0.000000] Architected cp15 timer(s) running at 19.20MHz (virt).
[    0.000014] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 3579139424256ns
[    0.000039] Switching to timer-based delay loop, resolution 52ns
[    0.000336] Console: colour dummy device 80x30
[    0.001767] console [tty1] enabled
[    0.001816] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[    0.001901] pid_max: default: 32768 minimum: 301
[    0.002317] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.002376] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.003650] Initializing cgroup subsys memory
[    0.003737] Initializing cgroup subsys devices
[    0.003794] Initializing cgroup subsys freezer
[    0.003845] Initializing cgroup subsys net_cls
[    0.003908] Initializing cgroup subsys blkio
[    0.004023] CPU: Testing write buffer coherency: ok
[    0.004137] ftrace: allocating 19969 entries in 59 pages
[    0.053401] CPU0: update cpu_capacity 1024
[    0.053478] CPU0: thread -1, cpu 0, socket 15, mpidr 80000f00
[    0.053516] [bcm2709_smp_prepare_cpus] enter
[    0.053681] Setting up static identity map for 0x536c78 - 0x536cd0
[    0.113367] [bcm2709_boot_secondary] cpu:1 started (0) 17
[    0.113678] CPU1: Booted secondary processor
[    0.113686] [bcm2709_secondary_init] enter cpu:1
[    0.113737] CPU1: update cpu_capacity 1024
[    0.113746] CPU1: thread -1, cpu 1, socket 15, mpidr 80000f01
[    0.133333] [bcm2709_boot_secondary] cpu:2 started (0) 17
[    0.133591] CPU2: Booted secondary processor
[    0.133597] [bcm2709_secondary_init] enter cpu:2
[    0.133628] CPU2: update cpu_capacity 1024
[    0.133637] CPU2: thread -1, cpu 2, socket 15, mpidr 80000f02
[    0.153395] [bcm2709_boot_secondary] cpu:3 started (0) 16
[    0.153637] CPU3: Booted secondary processor
[    0.153644] [bcm2709_secondary_init] enter cpu:3
[    0.153677] CPU3: update cpu_capacity 1024
[    0.153685] CPU3: thread -1, cpu 3, socket 15, mpidr 80000f03
[    0.153777] Brought up 4 CPUs
[    0.153905] SMP: Total of 4 processors activated (153.60 BogoMIPS).
[    0.153938] CPU: All CPU(s) started in SVC mode.
[    0.154971] devtmpfs: initialized
[    0.178108] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    0.180279] pinctrl core: initialized pinctrl subsystem
[    0.183335] NET: Registered protocol family 16
[    0.188959] DMA: preallocated 4096 KiB pool for atomic coherent allocations
[    0.213182] cpuidle: using governor ladder
[    0.243215] cpuidle: using governor menu
[    0.243616] bcm2709.uart_clock = 3000000
[    0.246394] No ATAGs?
[    0.246460] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.246514] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.246576] mailbox: Broadcom VideoCore Mailbox driver
[    0.246706] bcm2708_vcio: mailbox at f300b880
[    0.247088] bcm_power: Broadcom power driver
[    0.247126] bcm_power_open() -> 0
[    0.247151] bcm_power_request(0, 8)
[    0.747853] bcm_mailbox_read -> 00000080, 0
[    0.747885] bcm_power_request -> 0
[    0.748041] Serial: AMBA PL011 UART driver
[    0.748196] dev:f1: ttyAMA0 at MMIO 0x3f201000 (irq = 83, base_baud = 0) is a PL011 rev3
[    1.266600] console [ttyAMA0] enabled
[    1.336627] SCSI subsystem initialized
[    1.340650] usbcore: registered new interface driver usbfs
[    1.346316] usbcore: registered new interface driver hub
[    1.351774] usbcore: registered new device driver usb
[    1.358740] Switched to clocksource arch_sys_counter
[    1.393590] FS-Cache: Loaded
[    1.396844] CacheFiles: Loaded
[    1.412292] NET: Registered protocol family 2
[    1.417922] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[    1.425177] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[    1.431902] TCP: Hash tables configured (established 8192 bind 8192)
[    1.438379] TCP: reno registered
[    1.441670] UDP hash table entries: 512 (order: 2, 16384 bytes)
[    1.447654] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[    1.454421] NET: Registered protocol family 1
[    1.459454] RPC: Registered named UNIX socket transport module.
[    1.465396] RPC: Registered udp transport module.
[    1.470162] RPC: Registered tcp transport module.
[    1.474879] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    1.482389] bcm2708_dma: DMA manager at f3007000
[    1.487200] vc-mem: phys_addr:0x00000000 mem_base=0x3dc00000 mem_size:0x3f000000(1008 MiB)
[    1.497160] futex hash table entries: 1024 (order: 4, 65536 bytes)
[    1.503626] audit: initializing netlink subsys (disabled)
[    1.509184] audit: type=2000 audit(1.299:1): initialized
[    1.530818] VFS: Disk quotas dquot_6.5.2
[    1.535132] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    1.544816] FS-Cache: Netfs 'nfs' registered for caching
[    1.551228] NFS: Registering the id_resolver key type
[    1.556363] Key type id_resolver registered
[    1.560600] Key type id_legacy registered
[    1.565715] msgmni has been set to 1726
[    1.571321] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[    1.578962] io scheduler noop registered
[    1.582914] io scheduler deadline registered (default)
[    1.588374] io scheduler cfq registered
[    1.594905] BCM2708FB: allocated DMA memory f6c00000
[    1.599976] BCM2708FB: allocated DMA channel 0 @ f3007000
[    1.619873] Console: switching to colour frame buffer device 128x48
[    1.635646] bcm2708-dmaengine bcm2708-dmaengine: Load BCM2835 DMA engine driver
[    1.643435] uart-pl011 dev:f1: no DMA platform data
[    1.648984] vc-cma: Videocore CMA driver
[    1.652989] vc-cma: vc_cma_base      = 0x00000000
[    1.657777] vc-cma: vc_cma_size      = 0x00000000 (0 MiB)
[    1.663299] vc-cma: vc_cma_initial   = 0x00000000 (0 MiB)
[    1.681218] brd: module loaded
[    1.690642] loop: module loaded
[    1.694205] vchiq: vchiq_init_state: slot_zero = 0xb6800000, is_master = 0
[    1.701963] Loading iSCSI transport class v2.0-870.
[    1.707896] usbcore: registered new interface driver smsc95xx
[    1.713872] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    1.920083] Core Release: 2.80a
[    1.926524] Setting default values for core params
[    1.934649] Finished setting default values for core params
[    2.143921] Using Buffer DMA mode
[    2.150496] Periodic Transfer Interrupt Enhancement - disabled
[    2.159609] Multiprocessor Interrupt Enhancement - disabled
[    2.168448] OTG VER PARAM: 0, OTG VER FLAG: 0
[    2.176094] Dedicated Tx FIFOs mode
[    2.183247] WARN::dwc_otg_hcd_init:1047: FIQ DMA bounce buffers: virt = 0xb6c14000 dma = 0xf6c14000 len=9024
[    2.196607] FIQ FSM acceleration enabled for :
[    2.196607] Non-periodic Split Transactions
[    2.196607] Periodic Split Transactions
[    2.196607] High-Speed Isochronous Endpoints
[    2.226759] dwc_otg: Microframe scheduler enabled
[    2.226836] WARN::hcd_init_fiq:412: FIQ on core 1 at 0x803e4200
[    2.236070] WARN::hcd_init_fiq:413: FIQ ASM at 0x803e455c length 36
[    2.245637] WARN::hcd_init_fiq:438: MPHI regs_base at 0xb7806000
[    2.254932] dwc_otg bcm2708_usb: DWC OTG Controller
[    2.263130] dwc_otg bcm2708_usb: new USB bus registered, assigned bus number 1
[    2.273689] dwc_otg bcm2708_usb: irq 32, io mem 0x00000000
[    2.282487] Init: Port Power? op_state=1
[    2.289663] Init: Power Port (0)
[    2.296388] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    2.306527] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    2.317066] usb usb1: Product: DWC OTG Controller
[    2.325025] usb usb1: Manufacturer: Linux 3.18.7-v7+ dwc_otg_hcd
[    2.334310] usb usb1: SerialNumber: bcm2708_usb
[    2.343160] hub 1-0:1.0: USB hub found
[    2.350309] hub 1-0:1.0: 1 port detected
[    2.357954] dwc_otg: FIQ enabled
[    2.357968] dwc_otg: NAK holdoff enabled
[    2.357979] dwc_otg: FIQ split-transaction FSM enabled
[    2.358018] Module dwc_common_port init
[    2.358418] usbcore: registered new interface driver usb-storage
[    2.368106] mousedev: PS/2 mouse device common for all mice
[    2.377697] bcm2835-cpufreq: min=600000 max=900000
[    2.386143] sdhci: Secure Digital Host Controller Interface driver
[    2.395636] sdhci: Copyright(c) Pierre Ossman
[    2.403496] DMA channels allocated for the MMC driver
[    2.438788] Load BCM2835 MMC driver
[    2.449004] sdhci-pltfm: SDHCI platform and OF driver helper
[    2.459775] ledtrig-cpu: registered to indicate activity on CPUs
[    2.469428] hidraw: raw HID events driver (C) Jiri Kosina
[    2.478527] usbcore: registered new interface driver usbhid
[    2.487576] usbhid: USB HID core driver
[    2.497182] TCP: cubic registered
[    2.504905] Initializing XFRM netlink socket
[    2.512575] NET: Registered protocol family 17
[    2.520559] Key type dns_resolver registered
[    2.528537] Registering SWP/SWPB emulation handler
[    2.537669] registered taskstats version 1
[    2.545345] vc-sm: Videocore shared memory driver
[    2.553474] Indeed it is in host mode hprt0 = 00021501
[    2.561894] [vc_sm_connected_init]: start
[    2.570049] [vc_sm_connected_init]: end - returning 0
[    2.579807] Waiting for root device /dev/mmcblk0p2...
[    2.593302] mmc0: host does not support reading read-only switch, assuming write-enable
[    2.607179] mmc0: new high speed SDHC card at address 0002
[    2.616465] mmcblk0: mmc0:0002 SD 3.73 GiB
[    2.637390]  mmcblk0: p1 p2
[    2.738880] usb 1-1: new high-speed USB device number 2 using dwc_otg
[    2.748881] Indeed it is in host mode hprt0 = 00001101
[    2.833077] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[    2.844612] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[    2.869754] devtmpfs: mounted
[    2.876737] Freeing unused kernel memory: 396K (80767000 - 807ca000)
[    2.949152] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
[    2.959307] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    2.970883] hub 1-1:1.0: USB hub found
[    2.978199] hub 1-1:1.0: 5 ports detected
[    3.258962] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
[    3.369350] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
[    3.380059] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    3.394141] smsc95xx v1.0.4
[    3.463271] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-bcm2708_usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:5b:79:12
[    3.558970] usb 1-1.3: new high-speed USB device number 4 using dwc_otg
[    3.686296] usb 1-1.3: New USB device found, idVendor=148f, idProduct=5370
[    3.696950] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    3.708006] usb 1-1.3: Product: 802.11 n WLAN
[    3.716083] usb 1-1.3: Manufacturer: Ralink
[    3.723954] usb 1-1.3: SerialNumber: 1.0
[    3.828913] usb 1-1.4: new low-speed USB device number 5 using dwc_otg
[    3.972214] usb 1-1.4: New USB device found, idVendor=0e8f, idProduct=2519
[    3.982915] usb 1-1.4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    4.006755] input: HID 0e8f:2519 as /devices/platform/bcm2708_usb/usb1/1-1/1-1.4/1-1.4:1.0/0003:0E8F:2519.0001/input/input0
[    4.022175] hid-generic 0003:0E8F:2519.0001: input,hidraw0: USB HID v1.10 Keyboard [HID 0e8f:2519] on usb-bcm2708_usb-1.4/input0
[    4.063137] input: HID 0e8f:2519 as /devices/platform/bcm2708_usb/usb1/1-1/1-1.4/1-1.4:1.1/0003:0E8F:2519.0002/input/input1
[    4.079140] hid-generic 0003:0E8F:2519.0002: input,hidraw1: USB HID v1.10 Mouse [HID 0e8f:2519] on usb-bcm2708_usb-1.4/input1
[    4.729759] udevd[175]: starting version 175
[    6.010122] cfg80211: Calling CRDA to update world regulatory domain
[    6.268952] usb 1-1.3: reset high-speed USB device number 4 using dwc_otg
[    6.389640] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 5390, rev 0502 detected
[    6.412150] random: nonblocking pool is initialized
[    6.432400] ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 5370 detected
[    6.466187] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[    6.470454] usbcore: registered new interface driver rt2800usb
[    8.624734] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[    9.164847] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[   14.172982] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
[   14.685068] ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
[   14.755175] ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.29
[   17.302493] wlan0: authenticate with 00:0e:f4:df:1b:22
[   17.367476] wlan0: send auth to 00:0e:f4:df:1b:22 (try 1/3)
[   17.369357] wlan0: authenticated
[   17.378896] wlan0: associate with 00:0e:f4:df:1b:22 (try 1/3)
[   17.382466] wlan0: RX AssocResp from 00:0e:f4:df:1b:22 (capab=0x411 status=0 aid=3)
[   17.389677] wlan0: associated
[   19.453852] Adding 102396k swap on /var/swap.  Priority:-1 extents:2 across:2134012k SSFS
pi@MyPi ~ $