Re: [PATCH v4 1/3] usb: gadget: ccid: add support for USB CCID Gadget Device

From: Felipe Balbi
Date: Thu Jul 26 2018 - 06:57:05 EST


Marcus Folkesson <marcus.folkesson@xxxxxxxxx> 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@xxxxxxxxx>

I still don't see the benefit of having this in the kernel when
functionfs would do just fine.

--
balbi

Attachment: signature.asc
Description: PGP signature