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[] = {
8 E: H- x  H1 u/ ?        [0] = {
                .start = DA8XX_AEMIF_CS5_BASE,
                .end   = DA8XX_AEMIF_CS5_BASE + SZ_32K - 1,
                .flags = IORESOURCE_MEM,
        },
) U0 |' i' T: c1 i8 [% O7 @$ C. A        [1] = {
                .start = -1,
                .end   = -1,
& ]2 R$ [6 I  g3 a+ @# O$ p" T                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
4 B+ p! R4 r( V# d" n+ F        },
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};

static struct platform_device ax88796b_device = {
( ^6 A+ x2 X4 O        .name = "ax88796b",
# T2 U6 Q7 e1 y8 Q/ M+ A        .dev = {
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        },
) h* q( I. C4 M9 H, ?# A2 T& K        .num_resources = ARRAY_SIZE(ax88796b_resources),
        .resource = ax88796b_resources,
( V9 @( ]# |8 c: F9 d};

static inline void da850_evm_setup_ax88796b(void)
$ I3 e+ e( O' H& ]8 Q6 @1 I% t. ^! R7 \{
        void __iomem *aemif_addr;
2 ^' N; Q( v/ Z& R1 J& l        int ret = 0;
       
        ret = davinci_cfg_reg_list(da850_evm_ax88796b_pins);
       
" H( E9 Y4 X1 ?1 B9 t1 Z+ z% S  x# K        if(ret)
                pr_warning("da850_evm_init: ax88796b mux setup failde:"
- c3 q- v+ o! f                        "%d\n", ret);
. _8 C4 b9 K$ _8 v' X        aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
: |) F, J$ ?( P6 D2 ^" `' L       
        writel(readl(aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET) |
                DA8XX_AEMIF_ASIZE_16BIT,
                aemif_addr + DA8XX_AEMIF_CE5CFG_OFFSET);
4 ~1 U/ k, f  e) W% Y$ _) X        iounmap(aemif_addr);
        ax88796b_resources[1].start = gpio_to_irq(DA850_AX88796B_IRQ);
9 W  C* @+ x7 y$ \( {" J        ax88796b_resources[1].end   = ax88796b_resources[1].start;
       
        platform_device_register(&ax88796b_device);
       
6 v3 R7 z% S0 \& E' t# `}
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) S6 f, C) D) t4 B0 w, A4 j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
' w9 v' V4 c5 c. w( S, GStarting udev
Starting Bootlog daemon: bootlogd.
ALSA: Restoring mixer settings...
* W6 ], e0 o, @+ ]7 i/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)
udhcpc (v1.20.2) started
Sending discover...
2 C6 Q9 |' d) X8 P6 \Sending discover...
$ j& F0 q8 v+ W! `' I* `8 nSending discover...
: Y( I+ ^- B7 nNo lease, failing
- F7 m6 n5 T7 O2 U/ pdone.
$ K  q) |$ \) sWed Nov  6 04:33:00 UTC 2013
INIT: Entering runlevel: 5
Starting system message bus: dbus.
4 d2 Q% o& ]& h/ Z5 ^2 T& qStarting Dropbear SSH server: [   22.869096] ipv6: disagrees about version of symbol inet_recvmsg
[   22.875341] ipv6: Unknown symbol inet_recvmsg (err -22)
$ e/ U2 f, _  B) F[   22.880894] ipv6: disagrees about version of symbol skb_free_datagram
[   22.887493] ipv6: Unknown symbol skb_free_datagram (err -22)
[   22.893560] ipv6: disagrees about version of symbol __skb_checksum_complete
[   22.900598] ipv6: Unknown symbol __skb_checksum_complete (err -22)
[   22.907048] ipv6: disagrees about version of symbol register_sysctl_paths
: w% C' W# ?4 @1 `# s
[   22.913984] ipv6: Unknown symbol register_sysctl_paths (err -22)
[   22.920203] ipv6: disagrees about version of symbol xfrm_inner_extract_output
[   22.927486] ipv6: Unknown symbol xfrm_inner_extract_output (err -22)
[   22.934104] ipv6: disagrees about version of symbol skb_free_datagram_locked
5 P, E: f; O4 [7 Q; S5 [% S& G) N* I[   22.941222] ipv6: Unknown symbol skb_free_datagram_locked (err -22)
[   22.947739] ipv6: disagrees about version of symbol sock_i_uid
  }, |7 G: X( G
3 S) d( ~: n: b8 K$ _就会出现这个问题，请问如何解决
, G# |/ p, K  u9 _% Y; g. K
" R: V. ~, n6 t+ i2 x

zhaohui293

我应该如何做？

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。
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. [$ A4 q0 @7 F2 e0 }, Q

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。