From: Felipe Balbi <balbi@kernel.org>
To: Marcus Folkesson <marcus.folkesson@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jonathan Corbet <corbet@lwn.net>,
davem@davemloft.net,
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Randy Dunlap <rdunlap@infradead.org>,
Ruslan Bilovol <ruslan.bilovol@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
Marcus Folkesson <marcus.folkesson@gmail.com>
Subject: Re: [PATCH v4 1/3] usb: gadget: ccid: add support for USB CCID Gadget Device
Date: Thu, 26 Jul 2018 13:53:30 +0300 [thread overview]
Message-ID: <87woti1d5h.fsf@linux.intel.com> (raw)
In-Reply-To: <20180626081422.19237-1-marcus.folkesson@gmail.com>
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Marcus Folkesson <marcus.folkesson@gmail.com> writes:
> Chip Card Interface Device (CCID) protocol is a USB protocol that
> allows a smartcard device to be connected to a computer via a card
> reader using a standard USB interface, without the need for each manufacturer
> of smartcards to provide its own reader or protocol.
>
> This gadget driver makes Linux show up as a CCID device to the host and let a
> userspace daemon act as the smartcard.
>
> This is useful when the Linux gadget itself should act as a cryptographic
> device or forward APDUs to an embedded smartcard device.
>
> Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
I still don't see the benefit of having this in the kernel when
functionfs would do just fine.
--
balbi
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prev parent reply other threads:[~2018-07-26 10:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-26 8:14 [PATCH v4 1/3] usb: gadget: ccid: add support for USB CCID Gadget Device Marcus Folkesson
2018-06-26 8:14 ` [PATCH v4 2/3] Documentation: usb: add documentation " Marcus Folkesson
2018-06-26 8:14 ` [PATCH v4 3/3] MAINTAINERS: add " Marcus Folkesson
2018-07-26 10:53 ` Felipe Balbi [this message]
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