根据bonebeagle的设备树自己改了一个适合我们的板子（AM3354）的，但是在启动的时候出现了几个警告和错误。希望懂的给解答一下：
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.4.41-gf9f6f0db2d (qianfan@ubuntu) (gcc version 6.3.1 20170109 (Linaro GCC 6.3-2017.02) ) #11 PREEMPT Wed May 10 08:57:30 CST 2017
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: forlinx OK335xD
[ 0.000000] cma: Reserved 48 MiB at 0x9d000000
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] On node 0 totalpages: 131072
[ 0.000000] free_area_init_node: node 0, pgdat c09f5560, node_mem_map dcb61000
[ 0.000000] Normal zone: 1152 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 131072 pages, LIFO batch:31
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] AM335X ES2.1 (sgx neon )
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129920
[ 0.000000] Kernel command line: console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait nointrd console=tty0 consoleblank=0
[ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Memory: 459364K/524288K available (7075K kernel code, 342K rwdata, 2484K rodata, 268K init, 267K bss, 15772K reserved, 49152K cma-reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xe0800000 - 0xff800000 ( 496 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc095e01c (9561 kB)
[ 0.000000] .init : 0xc095f000 - 0xc09a2000 ( 268 kB)
[ 0.000000] .data : 0xc09a2000 - 0xc09f7990 ( 343 kB)
[ 0.000000] .bss : 0xc09f7990 - 0xc0a3a858 ( 268 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
[ 0.000000] OMAP clockevent source: timer2 at 24000000 Hz
[ 0.000015] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000035] clocksource: timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000047] OMAP clocksource: timer1 at 24000000 Hz
[ 0.000205] clocksource_probe: no matching clocksources found
[ 0.000369] Console: colour dummy device 80x30
[ 0.001120] console [tty0] enabled
[ 0.001164] Calibrating delay loop... 795.44 BogoMIPS (lpj=3977216)
[ 0.089167] pid_max: default: 32768 minimum: 301
[ 0.089315] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.089351] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.090065] Initializing cgroup subsys io
[ 0.090127] Initializing cgroup subsys memory
[ 0.090182] Initializing cgroup subsys devices
[ 0.090216] Initializing cgroup subsys freezer
[ 0.090248] Initializing cgroup subsys perf_event
[ 0.090279] Initializing cgroup subsys pids
[ 0.090327] CPU: Testing write buffer coherency: ok
[ 0.090738] Setting up static identity map for 0x80008200 - 0x80008260
[ 0.092917] devtmpfs: initialized
[ 0.104475] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 0.118532] omap_hwmod: debugss: _wait_target_disable failed
[ 0.174130] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.178056] pinctrl core: initialized pinctrl subsystem
[ 0.179607] NET: Registered protocol family 16
[ 0.181816] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.209151] cpuidle: using governor ladder
[ 0.239139] cpuidle: using governor menu
[ 0.243331] gpiochip_add: registered GPIOs 0 to 31 on device: gpio
[ 0.243651] OMAP GPIO hardware version 0.1
[ 0.244440] gpiochip_add: registered GPIOs 32 to 63 on device: gpio
[ 0.245223] gpiochip_add: registered GPIOs 64 to 95 on device: gpio
[ 0.245977] gpiochip_add: registered GPIOs 96 to 127 on device: gpio
[ 0.253080] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.297378] edma 49000000.edma: TI EDMA DMA engine driver
[ 0.297787] of_get_named_gpiod_flags: can't parse 'gpio' property of node '/fixedregulator@0[0]'
[ 0.300962] SCSI subsystem initialized
[ 0.301305] usbcore: registered new interface driver usbfs
[ 0.301402] usbcore: registered new interface driver hub
[ 0.301545] usbcore: registered new device driver usb
[ 0.302095] omap_i2c 44e0b000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, deferring probe
[ 0.302275] media: Linux media interface: v0.10
[ 0.302355] Linux video capture interface: v2.00
[ 0.302431] pps_core: LinuxPPS API ver. 1 registered
[ 0.302458] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.302523] PTP clock support registered
[ 0.302597] EDAC MC: Ver: 3.0.0
[ 0.303743] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400
[ 0.304098] Advanced Linux Sound Architecture Driver Initialized.
[ 0.305322] clocksource: Switched to clocksource timer1
[ 0.316388] NET: Registered protocol family 2
[ 0.317223] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.317313] TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.317381] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.317474] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.317515] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.317684] NET: Registered protocol family 1
[ 0.318103] RPC: Registered named UNIX socket transport module.
[ 0.318146] RPC: Registered udp transport module.
[ 0.318171] RPC: Registered tcp transport module.
[ 0.318195] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.318247] PCI: CLS 0 bytes, default 64
[ 0.319209] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
[ 0.321204] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.329621] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.330548] NFS: Registering the id_resolver key type
[ 0.330638] Key type id_resolver registered
[ 0.330664] Key type id_legacy registered
[ 0.330749] ntfs: driver 2.1.32 [Flags: R/O].
[ 0.334310] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 247)
[ 0.334393] io scheduler noop registered
[ 0.334423] io scheduler deadline registered
[ 0.334604] io scheduler cfq registered (default)
[ 0.336026] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
[ 0.338996] pwm-backlight backlight: GPIO lookup for consumer enable
[ 0.339019] pwm-backlight backlight: using device tree for GPIO lookup
[ 0.339035] of_get_named_gpiod_flags: can't parse 'enable-gpios' property of node '/backlight[0]'
[ 0.339046] of_get_named_gpiod_flags: can't parse 'enable-gpio' property of node '/backlight[0]'
[ 0.339056] pwm-backlight backlight: using lookup tables for GPIO lookup
[ 0.339067] pwm-backlight backlight: lookup for GPIO enable failed
[ 0.339090] backlight supply power not found, using dummy regulator
[ 0.401147] Serial: 8250/16550 driver, 10 ports, IRQ sharing disabled
[ 0.405477] console [ttyS0] disabled
[ 0.405610] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 158, base_baud = 3000000) is a 8250
[ 1.017546] console [ttyS0] enabled
[ 1.022119] [drm] Initialized drm 1.1.0 20060810
[ 1.027941] panel panel: found backlight
[ 1.031921] panel panel: GPIO lookup for consumer enable
[ 1.031932] panel panel: using device tree for GPIO lookup
[ 1.031947] of_get_named_gpiod_flags: can't parse 'enable-gpios' property of node '/panel[0]'
[ 1.031958] of_get_named_gpiod_flags: can't parse 'enable-gpio' property of node '/panel[0]'
[ 1.031967] panel panel: using lookup tables for GPIO lookup
[ 1.031978] panel panel: lookup for GPIO enable failed
[ 1.033353] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 1.040160] [drm] No driver support for vblank timestamp query.
[ 1.070895] Console: switching to colour frame buffer device 60x34
[ 1.078485] tilcdc 4830e000.lcdc: fb0: frame buffer device
[ 1.105504] [drm] Initialized tilcdc 1.0.0 20121205 on minor 0
[ 1.120206] loop: module loaded
[ 1.127112] libphy: Fixed MDIO Bus: probed
[ 1.195364] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
[ 1.203623] davinci_mdio 4a101000.mdio: detected phy mask fffffffe
[ 1.212718] Atheros 8031 ethernet 4a101000.mdio:00: GPIO lookup for consumer reset
[ 1.212736] Atheros 8031 ethernet 4a101000.mdio:00: using lookup tables for GPIO lookup
[ 1.212749] Atheros 8031 ethernet 4a101000.mdio:00: lookup for GPIO reset failed
[ 1.212768] libphy: 4a101000.mdio: probed
[ 1.217967] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver Atheros 8031 ethernet
[ 1.230123] cpsw 4a100000.ethernet: Detected MACID = 04:a3:16:f9:24:82
[ 1.239151] cpsw 4a100000.ethernet: cpts: overflow check period 850
[ 1.249058] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.257979] ehci-pci: EHCI PCI platform driver
[ 1.263692] ehci-platform: EHCI generic platform driver
[ 1.270337] ehci-omap: OMAP-EHCI Host Controller driver
[ 1.276861] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.285283] ohci-pci: OHCI PCI platform driver
[ 1.290996] ohci-platform: OHCI generic platform driver
[ 1.297896] usbcore: registered new interface driver cdc_acm
[ 1.305927] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[ 1.316331] usbcore: registered new interface driver usb-storage
[ 1.326533] am335x-phy-driver 47401300.usb-phy: GPIO lookup for consumer reset
[ 1.326559] am335x-phy-driver 47401300.usb-phy: using device tree for GPIO lookup
[ 1.326575] of_get_named_gpiod_flags: can't parse 'reset-gpios' property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.326587] of_get_named_gpiod_flags: can't parse 'reset-gpio' property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.326597] am335x-phy-driver 47401300.usb-phy: using lookup tables for GPIO lookup
[ 1.326608] am335x-phy-driver 47401300.usb-phy: lookup for GPIO reset failed
[ 1.326620] am335x-phy-driver 47401300.usb-phy: GPIO lookup for consumer vbus-detect
[ 1.326629] am335x-phy-driver 47401300.usb-phy: using device tree for GPIO lookup
[ 1.326639] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpios' property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.326649] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpio' property of node '/ocp/usb@47400000/usb-phy@47401300[0]'
[ 1.326659] am335x-phy-driver 47401300.usb-phy: using lookup tables for GPIO lookup
[ 1.326669] am335x-phy-driver 47401300.usb-phy: lookup for GPIO vbus-detect failed
[ 1.326730] 47401300.usb-phy supply vcc not found, using dummy regulator
[ 1.367600] musb-hdrc musb-hdrc.0.auto: Failed to request rx1.
[ 1.375998] musb-hdrc musb-hdrc.0.auto: musb_init_controller failed with status -517
[ 1.387068] am335x-phy-driver 47401b00.usb-phy: GPIO lookup for consumer reset
[ 1.387092] am335x-phy-driver 47401b00.usb-phy: using device tree for GPIO lookup
[ 1.387107] of_get_named_gpiod_flags: can't parse 'reset-gpios' property of node '/ocp/usb@47400000/usb-phy@47401b00[0]'
[ 1.387118] of_get_named_gpiod_flags: can't parse 'reset-gpio' property of node '/ocp/usb@47400000/usb-phy@47401b00[0]'
[ 1.387128] am335x-phy-driver 47401b00.usb-phy: using lookup tables for GPIO lookup
[ 1.387140] am335x-phy-driver 47401b00.usb-phy: lookup for GPIO reset failed
[ 1.387151] am335x-phy-driver 47401b00.usb-phy: GPIO lookup for consumer vbus-detect
[ 1.387160] am335x-phy-driver 47401b00.usb-phy: using device tree for GPIO lookup
[ 1.387170] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpios' property of node '/ocp/usb@47400000/usb-phy@47401b00[0]'
[ 1.387180] of_get_named_gpiod_flags: can't parse 'vbus-detect-gpio' property of node '/ocp/usb@47400000/usb-phy@47401b00[0]'
[ 1.387190] am335x-phy-driver 47401b00.usb-phy: using lookup tables for GPIO lookup
[ 1.387199] am335x-phy-driver 47401b00.usb-phy: lookup for GPIO vbus-detect failed
[ 1.387254] 47401b00.usb-phy supply vcc not found, using dummy regulator
[ 1.427484] musb-hdrc musb-hdrc.1.auto: Failed to request rx1.
[ 1.435870] musb-hdrc musb-hdrc.1.auto: musb_init_controller failed with status -517
[ 1.453264] mousedev: PS/2 mouse device common for all mice
[ 1.462025] i2c /dev entries driver
[ 1.468025] cpuidle: enable-method property 'ti,am3352' found operations
[ 1.477943] omap_hsmmc 48060000.mmc: GPIO lookup for consumer cd
[ 1.477962] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup
[ 1.477994] of_get_named_gpiod_flags: parsed 'cd-gpios' property of node '/ocp/mmc@48060000[0]' - status (0)
[ 1.478077] omap_hsmmc 48060000.mmc: Got CD GPIO
[ 1.483922] omap_hsmmc 48060000.mmc: GPIO lookup for consumer wp
[ 1.483932] omap_hsmmc 48060000.mmc: using device tree for GPIO lookup
[ 1.483943] of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/ocp/mmc@48060000[0]'
[ 1.483953] of_get_named_gpiod_flags: can't parse 'wp-gpio' property of node '/ocp/mmc@48060000[0]'
[ 1.483963] omap_hsmmc 48060000.mmc: using lookup tables for GPIO lookup
[ 1.483974] omap_hsmmc 48060000.mmc: lookup for GPIO wp failed
[ 1.516313] of_get_named_gpiod_flags: parsed 'gpios' property of node '/leds/led@1[0]' - status (0)
[ 1.517668] of_get_named_gpiod_flags: parsed 'gpios' property of node '/leds/led@2[0]' - status (0)
[ 1.517831] of_get_named_gpiod_flags: parsed 'gpios' property of node '/leds/led@3[0]' - status (0)
[ 1.517952] of_get_named_gpiod_flags: parsed 'gpios' property of node '/leds/led@4[0]' - status (0)
[ 1.518069] of_get_named_gpiod_flags: parsed 'gpios' property of node '/leds/led@5[0]' - status (0)
[ 1.518188] of_get_named_gpiod_flags: parsed 'gpios' property of node '/leds/led@6[0]' - status (0)
[ 1.518820] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.529890] usbcore: registered new interface driver usbhid
[ 1.537920] usbhid: USB HID core driver
[ 1.549367] NET: Registered protocol family 10
[ 1.556691] sit: IPv6 over IPv4 tunneling driver
[ 1.563365] NET: Registered protocol family 17
[ 1.569492] Key type dns_resolver registered
[ 1.575428] omap_voltage_late_init: Voltage driver support not added
[ 1.591277] mmc0: host does not support reading read-only switch, assuming write-enable
[ 1.603607] mmc0: new high speed SDHC card at address 4d2e
[ 1.613010] mmcblk0: mmc0:4d2e SE08G 7.29 GiB
[ 1.620835] mmcblk0: p1 p2
[ 1.629574] tps65217 0-0024: TPS65217 ID 0xe version 1.2
[ 1.636274] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz
[ 1.649966] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 1.649985] musb-hdrc: MHDRC RTL version 2.0
[ 1.649993] musb-hdrc: setup fifo_mode 4
[ 1.650014] musb-hdrc: 28/31 max ep, 16384/16384 memory
[ 1.655991] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 1.656009] musb-hdrc: MHDRC RTL version 2.0
[ 1.656017] musb-hdrc: setup fifo_mode 4
[ 1.656035] musb-hdrc: 28/31 max ep, 16384/16384 memory
[ 1.656164] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[ 1.664235] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 1
[ 1.675476] hub 1-0:1.0: USB hub found
[ 1.680441] hub 1-0:1.0: 1 port detected
[ 1.717555] hctosys: unable to open rtc device (rtc0)
[ 1.727795] ALSA device list:
[ 1.731952] No soundcards found.
[ 1.748553] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 1.759139] VFS: Mounted root (ext4 filesystem) on device 179:2.
[ 1.770206] devtmpfs: mounted
[ 1.774751] Freeing unused kernel memory: 268K (c095f000 - c09a2000)
[ 1.783273] This architecture does not have kernel memory protection.
[ 1.893633] EXT4-fs (mmcblk0p2): re-mounted. Opts: errors=remount-ro,data=ordered
[ 2.030503] random: dd: uninitialized urandom read (512 bytes read, 11 bits of entropy available)
[ 2.085598] usb 1-1: new high-speed USB device number 2 using musb-hdrc
[ 2.199324] net eth0: initializing cpsw version 1.12 (0)
[ 2.206555] net eth0: initialized cpsw ale version 1.4
[ 2.213187] net eth0: ALE Table size 1024
[ 2.236592] hub 1-1:1.0: USB hub found
[ 2.242003] hub 1-1:1.0: 4 ports detected
[ 2.296139] net eth0: phy found : id is : 0x4dd074
[ 2.302498] libphy: PHY 4a101000.mdio:01 not found
[ 2.309198] net eth0: phy "4a101000.mdio:01" not found on slave 1, err -19
[ 2.326464] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 5.296404] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[ 5.310208] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 6.346417] random: ssh-keygen: uninitialized urandom read (32 bytes read, 24 bits of entropy available)
[ 6.415849] random: sshd: uninitialized urandom read (32 bytes read, 25 bits of entropy available)
[ 43.177846] random: sshd: uninitialized urandom read (32 bytes read, 70 bits of entropy available)
[ 43.357916] random: sshd: uninitialized urandom read (32 bytes read, 71 bits of entropy available)
[ 86.805102] random: nonblocking pool is initialized
[ 1358.935398] usb 1-1.4: new high-speed USB device number 3 using musb-hdrc
[ 1359.052380] usb-storage 1-1.4:1.0: USB Mass Storage device detected
[ 1359.066289] scsi host0: usb-storage 1-1.4:1.0
[ 1360.145468] scsi 0:0:0:0: Direct-Access USB DISK 30X 1.00 PQ: 0 ANSI: 0 CCS
[ 1361.624681] sd 0:0:0:0: [sda] 15835008 512-byte logical blocks: (8.11 GB/7.55 GiB)
[ 1361.638601] sd 0:0:0:0: [sda] Write Protect is off
[ 1361.647495] sd 0:0:0:0: [sda] Mode Sense: 23 00 00 00
[ 1361.648032] sd 0:0:0:0: [sda] No Caching mode page found
[ 1361.657128] sd 0:0:0:0: [sda] Assuming drive cache: write through
[ 1361.698946] sda: sda4
[ 1361.708704] sd 0:0:0:0: [sda] Attached SCSI removable disk
