Hi All,
This is the output of dmesg i get when i kldload my module
*************************************************************************************************************
<DALLAS HDLC CONTROLLER > mem 0x40300000-0x40300fff irq 11 at device
11.0 on pci1
WARNING: Device driver "hdlc_cdev" has wrong version and is disabled.
Recompile KLD module.
*************************************************************************************************************
In attach function of pci driver i'll try to create character device
interface i just register this like this
sc->hdlc_cdev = make_dev (&hdlc_cdevsw,0, UID_ROOT,
GID_WHEEL, 0600, "hdlc_cdev");
where
static struct cdevsw hdlc_cdevsw = {
.d_name = "hdlc_cdev",
.d_maj = CDEV_MAJOR, /*251*/
.d_open = hdlc_open,
.d_read = hdlc_read,
};
in read and write functions i just have some printf statements inorder to test .
when i do
ls -l /dev/hdlc_cdev
crw------- 1 root wheel 251, 0 Sep 20 19:38 /dev/hdlc_cdev
cat /dev/hdlc_cdev
cat: /dev/hdlc_cdev: Device not configured
but why do i get this error
Thanks in Advance ,
Rashmi.N.S
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