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[] = {
2 u$ |- {6 u5 U9 y+ p$ g' i5 }) N# r" d        [0] = {
                .start = DA8XX_AEMIF_CS5_BASE,
                .end   = DA8XX_AEMIF_CS5_BASE + SZ_32K - 1,
                .flags = IORESOURCE_MEM,
        },
3 j9 g$ S9 S* O1 r0 S. J        [1] = {
& i! q2 {5 n) e  [                .start = -1,
                .end   = -1,
- I( k3 s% i5 @7 i$ g( \& B7 G                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
6 d; F6 P3 G  z4 I/ \( P        },

};
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static struct platform_device ax88796b_device = {
7 R0 |! ]& U( t; z        .name = "ax88796b",
        .dev = {
! a7 S0 A# _; I+ i  k# {. Y
        },
        .num_resources = ARRAY_SIZE(ax88796b_resources),
        .resource = ax88796b_resources,
/ f- k5 R. J. C$ H};
1 |& N4 L" m9 ]' v7 p: s4 _
static inline void da850_evm_setup_ax88796b(void)
{
  E5 L4 U7 Y8 o% M. `9 w        void __iomem *aemif_addr;
        int ret = 0;
: t9 f  A3 n" R& K/ z       
- o1 R$ }3 D& {        ret = davinci_cfg_reg_list(da850_evm_ax88796b_pins);
       
3 |, {7 m5 q$ d6 Y! P2 J3 j& y        if(ret)
! A& [4 |) ~% T/ j7 }                pr_warning("da850_evm_init: ax88796b mux setup failde:"
  F) D$ d' X  o" u1 u  y                        "%d\n", ret);
        aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
8 a! ?' W) k6 |/ j& s" C# l+ A# ^       
        writel(readl(aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET) |
# P. L  G8 f1 k" I                DA8XX_AEMIF_ASIZE_16BIT,
                aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET);
        iounmap(aemif_addr);
, `' |! N1 @+ ^! }        ax88796b_resources[1].start = gpio_to_irq(DA850_AX88796B_IRQ);
  x4 z0 w# S7 z$ ?0 e' v        ax88796b_resources[1].end   = ax88796b_resources[1].start;
       
        platform_device_register(&ax88796b_device);
6 y! V, `- v" i/ g       
2 p, \2 N0 H* y0 e2 G}

和相关的引脚配置
编译通过，
在板子内核启动过程中：
INIT: version 2.88 booting
Starting udev
Starting Bootlog daemon: bootlogd.
6 ~8 x% Q7 \3 Q% A9 t# z  q. hALSA: 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
[   12.672854] net eth0: attached PHY driver [SMSC LAN8710/LAN8720] (mii_bus:phy_addr=davinci_mdio-0:00, id=7c0f1)
+ e5 Z: n. _& n+ Z8 q. c0 o9 N- ]& Uudhcpc (v1.20.2) started
Sending discover...
Sending discover...
Sending discover...
No lease, failing
5 W: w: k$ ~% zdone.
* T: h9 X" o3 `" F: ^/ dWed Nov  6 04:33:00 UTC 2013
INIT: Entering runlevel: 5
. E' ]/ n8 V: T" {) w& \0 Q2 P' tStarting system message bus: dbus.
Starting Dropbear SSH server: [   22.869096] ipv6: disagrees about version of symbol inet_recvmsg
[   22.875341] ipv6: Unknown symbol inet_recvmsg (err -22)
9 `: P. p; H' U# o[   22.880894] ipv6: disagrees about version of symbol skb_free_datagram
[   22.887493] ipv6: Unknown symbol skb_free_datagram (err -22)
' V1 I% }; |6 b5 J. _[   22.893560] ipv6: disagrees about version of symbol __skb_checksum_complete
[   22.900598] ipv6: Unknown symbol __skb_checksum_complete (err -22)
4 T- ?+ F1 m1 n0 j[   22.907048] ipv6: disagrees about version of symbol register_sysctl_paths

[   22.913984] ipv6: Unknown symbol register_sysctl_paths (err -22)
) s3 p" ^0 c2 ]4 @3 _/ ~  a[   22.920203] ipv6: disagrees about version of symbol xfrm_inner_extract_output
[   22.927486] ipv6: Unknown symbol xfrm_inner_extract_output (err -22)
. u5 X3 r: W" A- k[   22.934104] ipv6: disagrees about version of symbol skb_free_datagram_locked
% m, L, \" H, t9 u. x[   22.941222] ipv6: Unknown symbol skb_free_datagram_locked (err -22)
) S2 i( O8 b# ]" J3 N: R( r0 b[   22.947739] ipv6: disagrees about version of symbol sock_i_uid
6 O. Y' K0 ]# K% k- o2 Y6 \8 ^7 E
' S% v2 ^9 o, ~就会出现这个问题，请问如何解决

' P& X6 e6 n. [

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。

zhaohui293

; c- i: L! o' E. o6 O" U6 z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。
/ [6 K* O- D: i; F4 p% p

zhaohui293

我应该如何做？
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