Re: [PATCH] USB: serial: ti_usb_3410_5052: Port uart_mode from io_ti.

Hi Stuart,

This introduces the `uart_mode` sysfs attribute as seen in the `io_ti`
USB serial driver, allowing this USB serial interface to be switched
between RS-232, 2-wire RS-485 and 4-wire RS-485.

Recently I've discovered a blog post by Greg Kroah-Hartman on sysfs files [1].
I believe this information will help you to create the new file in a better way.

[1] http://kroah.com/log/blog/2013/06/26/how-to-create-a-sysfs-file-correctly/

Best regards,
Maksim.
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