lkml.org 
[lkml]   [2018]   [Jun]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 1/3] usb: gadget: ccid: add support for USB CCID Gadget Device
Hi Felipe,

Should I send out v4 or what do you think?

On Wed, May 30, 2018 at 04:04:15PM +0200, Marcus Folkesson wrote:
> Hi Filipe,
>
> On Wed, May 30, 2018 at 03:28:18PM +0300, Felipe Balbi wrote:
> > 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>
> >
> > this could be done entirely in userspace with functionfs, why do we need
> > this part in the kernel? It does very little.
>
> Andrzej pointed this out, and I actually do not have any good answer
> more than that the userspace application could be kept small and the
> important configuration of the CCID device is done with well (I hope)
> documented configfs attributes.
>
> >
> > --
> > balbi
>
> Best regards,
> Marcus Folkesson
>
>

Thank you,
Marcus Folkesson

\
 
 \ /
  Last update: 2018-06-08 20:56    [W:0.065 / U:6.156 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site