linux-kernel - Re: [PATCH v3 1/3] lib/string: introduce ascii2utf16le() helper

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Date:   Mon, 6 Feb 2017 10:12:01 -0500 (EST)
From:   Alan Stern <stern@...land.harvard.edu>
To:     Richard Leitner <richard.leitner@...data.com>
cc:     linux-usb@...r.kernel.org, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <gregkh@...uxfoundation.org>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <akpm@...ux-foundation.org>, <andriy.shevchenko@...ux.intel.com>,
        <keescook@...omium.org>, <dev@...l1n.net>
Subject: Re: [PATCH v3 1/3] lib/string: introduce ascii2utf16le() helper

On Mon, 6 Feb 2017, Richard Leitner wrote:

> For USB string descriptors we need to convert ASCII strings to UTF16-LE.
> Therefore make a simple helper function (based on ascii2desc from
> drivers/usb/core/hcd.c) for that purpose.

You know, we already have utf8s_to_utf16s() in fs/nls/nls_base.c.  
Maybe it doesn't do exactly what you want, but it should be pretty 
close.  Adding another helper function to do essentially the same thing 
seems unnecessary.

Alan Stern