Hi RK On Sat, Nov 24, 2012 at 2:03 PM, Manavendra Nath Manav <mnm.ker...@gmail.com > wrote:
> I have written a simple UART serial driver in embedded Linux running > busybox with mdev rules. I have provided .dev_name as "ttyC2C" in my > driver code. > > static struct uart_driver serial_omap_reg = { > .owner = THIS_MODULE, > .driver_name = "Omap-C2C-Serial", > .dev_name = "ttyC2C", > .nr = OMAP_MAX_HSUART_PORTS, > .cons = NULL, > }; > > However the node is getting created in > > ./sys/devices/platform/omap_c2c_uart.0/tty/ttyC2C0 > ./sys/class/tty/ttyC2C0 > > / # ls -l ./sys/class/tty/ttyC2C0 > lrwxrwxrwx 1 root 0 0 Jan 1 00:14 > ./sys/class/tty/ttyC2C0 -> ../../devices/platform/omap_c2c_uart.0/tty/ttyC2C0 > > / # ls -l ./sys/devices/platform/omap_c2c_uart.0/tty/ttyC2C0 > -r--r--r-- 1 root 0 4096 Jan 1 00:14 dev > lrwxrwxrwx 1 root 0 0 Jan 1 00:14 device -> > ../../../omap_c2c_uart.0 > drwxr-xr-x 2 root 0 0 Jan 1 00:14 power > lrwxrwxrwx 1 root 0 0 Jan 1 00:14 subsystem -> > ../../../../../class/tty > -rw-r--r-- 1 root 0 4096 Jan 1 00:14 uevent > / # > > The mdev rules for tty are: > > tty 0:5 0666 > tty.* 0:0 0620 > > How to get device node as /dev/ttyC2C ? > -- > Manavendra Nath Manav > can you help me on following issue? -- Manavendra Nath Manav
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