关于ax88796b的板级驱动

zhaohui293

我在board-da850-evm.c文件增加ax88796b的板级驱动:static struct resource ax88796b_resources[] = {
+ w; L* |$ I/ @- a* `- x: o- w        [0] = {
5 n* A, m4 o1 s; I7 v. ~% P9 j/ F                .start = DA8XX_AEMIF_CS5_BASE,
9 j) t, i5 G# k                .end   = DA8XX_AEMIF_CS5_BASE + SZ_32K - 1,
                .flags = IORESOURCE_MEM,
1 l  r% Z) A5 i6 x- H8 P        },
  K5 H+ g; r+ {/ s        [1] = {
+ v0 r" r; M  ~' b; _' C                .start = -1,
: w9 }) d  n3 R6 H, x                .end   = -1,
                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
        },

};

static struct platform_device ax88796b_device = {
        .name = "ax88796b",
        .dev = {

        },
        .num_resources = ARRAY_SIZE(ax88796b_resources),
        .resource = ax88796b_resources,
5 y7 b0 v, c3 r* g};

! P8 B2 E" R, }+ O( v; Cstatic inline void da850_evm_setup_ax88796b(void)
3 ^, E4 B/ y  _- _{
7 _5 e' t) l- o# B* l' V        void __iomem *aemif_addr;
/ T3 f  c: s4 |        int ret = 0;
       
        ret = davinci_cfg_reg_list(da850_evm_ax88796b_pins);
       
2 y6 ?, C2 a7 \8 Y# ~        if(ret)
                pr_warning("da850_evm_init: ax88796b mux setup failde:"
                        "%d\n", ret);
        aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
       
        writel(readl(aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET) |
% {8 v. F1 w$ a: _' y  B3 C                DA8XX_AEMIF_ASIZE_16BIT,
' M: G5 }4 @3 g9 U4 g                aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET);
+ Z' u" `) H* `; T( {        iounmap(aemif_addr);
& M4 \0 T3 D9 W5 ?0 h        ax88796b_resources[1].start = gpio_to_irq(DA850_AX88796B_IRQ);
        ax88796b_resources[1].end   = ax88796b_resources[1].start;
1 t; \' ~3 t! @       
        platform_device_register(&ax88796b_device);
( }* j* a) B+ [+ S  E       
8 ]( O) X% X/ q% S2 D9 G+ d}

和相关的引脚配置
+ N, ]/ V) z# x编译通过，
. c9 k& K+ o2 j: P3 S在板子内核启动过程中：
* }  e2 m1 R, Y' Q5 v( }+ GINIT: version 2.88 booting
Starting udev
# k1 x0 r( q* L& sStarting Bootlog daemon: bootlogd.
' Y) X0 o: b2 N, }: g# kALSA: Restoring mixer settings...
/usr/sbin/alsactl: load_state:1686: No soundcards found...
Configuring network interfaces... [   12.665617] davinci_mdio davinci_mdio.0: resetting idled controller
8 i' b5 W* U8 o. p$ J( S[   12.672854] net eth0: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=davinci_mdio-0:00, id=7c0f1)
udhcpc (v1.20.2) started
Sending discover...
Sending discover...
5 [  D6 {9 Y! `. MSending discover...
, h5 o) |) E" |9 W7 wNo lease, failing
: K6 {  J/ v5 R/ Y7 B7 Hdone.
Wed Nov  6 04:33:00 UTC 2013
- X: e$ i. s/ F7 B5 b0 ^INIT: Entering runlevel: 5
Starting system message bus: dbus.
. b0 n  C  X7 N8 ]Starting Dropbear SSH server: [   22.869096] ipv6: disagrees about version of symbol inet_recvmsg
[   22.875341] ipv6: Unknown symbol inet_recvmsg (err -22)
& G. S$ z; f- H! Z[   22.880894] ipv6: disagrees about version of symbol skb_free_datagram
[   22.887493] ipv6: Unknown symbol skb_free_datagram (err -22)
- p4 J0 R/ M* }) h0 |[   22.893560] ipv6: disagrees about version of symbol __skb_checksum_complete
$ e6 A9 @# N2 c9 Z; |& S[   22.900598] ipv6: Unknown symbol __skb_checksum_complete (err -22)
[   22.907048] ipv6: disagrees about version of symbol register_sysctl_paths

[   22.913984] ipv6: Unknown symbol register_sysctl_paths (err -22)
- q, ?. K+ X; B; H[   22.920203] ipv6: disagrees about version of symbol xfrm_inner_extract_output
[   22.927486] ipv6: Unknown symbol xfrm_inner_extract_output (err -22)
* \, z  f- q/ @[   22.934104] ipv6: disagrees about version of symbol skb_free_datagram_locked
( K* s* A$ u. U" ^[   22.941222] ipv6: Unknown symbol skb_free_datagram_locked (err -22)
7 a; Y4 i0 S2 l8 Y) _: _* S6 y[   22.947739] ipv6: disagrees about version of symbol sock_i_uid
2 B8 [: h4 F% Q. k. R* }
( X/ @, m2 E+ p  C6 I就会出现这个问题，请问如何解决

* a% q% y. F1 X$ M0 s: J

teddy

请问您是出了什么问题了，这里的信息没看到时跟您的ax88796b相关的错误。
1 y5 }* _6 N5 l6 W# M# B3 m

zhaohui293

- H& j- ^. O. I9 y' t( W8 N我添加了ax88796b的板级驱动，就出现上面的情况，没有添加的时候编译内核不会出现ipv6的问题。

teddy

ipv6: Unknown symbol inet_recvmsg (err -22)* 这个可能是因为，你的内核配置，会把ipv6的编译配置给关闭了，导致ipv6部分代码没有编译进内核。

zhaohui293

我应该如何做？