sysfs node create

Hi Friends ,

When the driver try to create node under sysfs during boot-up , i am getting following error.
sysfs: duplicate filename ‘254:0’ can not be created . Can you help me out to resolve this error ?
Trace attached below .

Thanks,
Shankar

------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:463 sysfs_add_one+0x34/0x44()
sysfs: duplicate filename ‘254:0’ can not be created
Modules linked in:
[] (dump_stack+0x0/0x14) from [] (warn_slowpath+0x60/0x7c)
[] (warn_slowpath+0x0/0x7c) from [] (sysfs_add_one+0x34/0x44)
r3:ce41ee20 r2:c03b643a
r6:cf81fd38 r5:ce4211e8 r4:ffffffef
[] (sysfs_add_one+0x0/0x44) from [] (sysfs_do_create_link+0xb4/0x148)
r5:ce4211e8 r4:ce421278
[] (sysfs_do_create_link+0x0/0x148) from [] (sysfs_create_link+0x14/0x18)
r8:ce41f48c r7:00000000 r6:cf80aa20 r5:ce41f400 r4:cf81fd89
[] (sysfs_create_link+0x0/0x18) from [] (device_add+0x130/0x53c)
[] (device_add+0x0/0x53c) from [] (device_register+0x1c/0x20)
[] (device_register+0x0/0x20) from [] (rtc_device_register+0x110/0x1c8)
r5:00000000 r4:ce41f400
[] (rtc_device_register+0x0/0x1c8) from [] (twl4030_rtc_probe+0x3c/0x1cc)
[] (twl4030_rtc_probe+0x0/0x1cc) from [] (platform_drv_probe+0x20/0x24)
r8:c0423b68 r7:cf3ca560 r6:c042d840 r5:cf8eda08 r4:cf8eda08
[] (platform_drv_probe+0x0/0x24) from [] (driver_probe_device+0xd0/0x17c)
[] (driver_probe_device+0x0/0x17c) from [] (__driver_attach+0x4c/0x70)
r7:cf3ca560 r6:c042d840 r5:cf8edab4 r4:cf8eda08
[] (__driver_attach+0x0/0x70) from [] (bus_for_each_dev+0x4c/0x80)
r7:cf3ca560 r6:c042d840 r5:c01c7784 r4:00000000
[] (bus_for_each_dev+0x0/0x80) from [] (driver_attach+0x20/0x28)
r6:c042d840 r5:00000000 r4:00000000
[] (driver_attach+0x0/0x28) from [] (bus_add_driver+0xa8/0x210)
[] (bus_add_driver+0x0/0x210) from [] (driver_register+0x98/0x120)
r8:00000000 r7:c00234b4 r6:c042d840 r5:00000000 r4:c002ab84
[] (driver_register+0x0/0x120) from [] (platform_driver_register+0x78/0x94)
r9:00000000 r8:00000000 r7:c00234b4 r6:00000000 r5:00000000
r4:c002ab84
[] (platform_driver_register+0x0/0x94) from [] (twl4030_rtc_init+0x14/0x1c)
[] (twl4030_rtc_init+0x0/0x1c) from [] (do_one_initcall+0x54/0x184)
[] (do_one_initcall+0x0/0x184) from [] (kernel_init+0x80/0xf4)
r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:c002ab84
[] (kernel_init+0x0/0xf4) from [] (do_exit+0x0/0x744)
r4:00000000
—[ end trace 70f73452e09e3610 ]—

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