linux-i2c.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Arnd Bergmann <arnd@arndb.de>
To: Waldemar.Rymarkiewicz@tieto.com
Cc: matti.j.aaltonen@nokia.com, linux-i2c@vger.kernel.org,
	linux-kernel@vger.kernel.org, hthebaud@insidefr.com
Subject: Re: [PATCH] NFC: Driver for Inside Secure MicroRead NFC chip
Date: Mon, 14 Mar 2011 18:01:01 +0100	[thread overview]
Message-ID: <201103141801.01333.arnd@arndb.de> (raw)
In-Reply-To: <99B09243E1A5DA4898CDD8B7001114481082FAE168@EXMB04.eu.tieto.com>

On Monday 14 March 2011, Waldemar.Rymarkiewicz@tieto.com wrote:
> >> No, it's simply there as I have been faceing i2c write error while I 
> >> do two consecutive writes.
> >> The second fails now and then. That's seems to be a chip issue.
> >> I will try to investigate this issue.
> >
> >Ok. It sounds like a bug in the i2c driver, you should also 
> >take a look there. Maybe it has never had to deal with this 
> >much write data at once.
> 
> It's been confirmed now that this is how chip is supposed to work and the
> driver should not care about this scenario. Upper layers (onfc stack) handle this.
> Thus, will simply remove urange_sleep and that's it.

It sounds strange that this will be handled in user space, since
it won't have any idea if the hardware is available again.

I've tried to find the onfc stack that talks to this device but
couldn't see it. Do you have a URL for this?

	Arnd

  reply	other threads:[~2011-03-14 17:01 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-10 14:20 [PATCH] NFC: Driver for Inside Secure MicroRead NFC chip Waldemar Rymarkiewicz
     [not found] ` <1299766808-2535-1-git-send-email-waldemar.rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
2011-03-10 13:52   ` Arnd Bergmann
     [not found]     ` <201103101452.54862.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-10 14:45       ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-10 16:20         ` Arnd Bergmann
     [not found]           ` <201103101720.53782.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-14 14:59             ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]               ` <99B09243E1A5DA4898CDD8B7001114481082FAE10A-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-14 15:34                 ` Arnd Bergmann
     [not found]                   ` <201103141634.10865.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-14 15:45                     ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]                       ` <99B09243E1A5DA4898CDD8B7001114481082FAE15A-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-14 16:00                         ` Arnd Bergmann
     [not found]                           ` <201103141700.26457.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-14 16:15                             ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-14 17:01                               ` Arnd Bergmann [this message]
2011-03-15  8:37                                 ` Waldemar.Rymarkiewicz
     [not found]                                   ` <99B09243E1A5DA4898CDD8B7001114481082FAE39E-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-15  9:06                                     ` Arnd Bergmann
2011-03-17 12:58           ` Waldemar.Rymarkiewicz
     [not found]             ` <99B09243E1A5DA4898CDD8B70011144810830AB119-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-17 13:07               ` Arnd Bergmann
     [not found]                 ` <201103171407.58164.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-17 13:38                   ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]                     ` <99B09243E1A5DA4898CDD8B70011144810830AB18B-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-17 13:54                       ` Arnd Bergmann
     [not found]                         ` <201103171454.42838.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-17 13:58                           ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-15 10:01     ` Samuel Ortiz
     [not found]       ` <loom.20110315T104753-187-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2011-03-15 12:59         ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]           ` <99B09243E1A5DA4898CDD8B70011144810830AA4BD-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-15 14:16             ` Samuel Ortiz
2011-03-15 14:29               ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
  -- strict thread matches above, loose matches on Subject: below --
2011-03-18 10:40 Waldemar Rymarkiewicz
     [not found] ` <1300444824-13713-1-git-send-email-waldemar.rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
2011-03-18 10:40   ` Waldemar Rymarkiewicz
     [not found]     ` <1300444824-13713-2-git-send-email-waldemar.rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w@public.gmane.org>
2011-03-18 11:03       ` Alan Cox
     [not found]         ` <20110318110348.728f6036-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2011-03-18 15:00           ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]             ` <99B09243E1A5DA4898CDD8B7001114481085881963-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-18 15:05               ` Arnd Bergmann
2011-03-18 15:12               ` Alan Cox
     [not found]                 ` <20110318151219.7aedc765-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2011-03-18 15:15                   ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-18 11:49       ` Wolfram Sang
     [not found]         ` <20110318114931.GA2155-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2011-03-18 15:08           ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]             ` <99B09243E1A5DA4898CDD8B700111448108588196C-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-18 15:31               ` Mark Brown
2011-03-18 16:43           ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
2011-03-18 12:19       ` Arnd Bergmann
     [not found]         ` <201103181319.54191.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-18 12:51           ` Mark Brown
     [not found]             ` <20110318125150.GD27129-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2011-03-18 14:20               ` Arnd Bergmann
2011-03-25 14:26         ` Samuel Ortiz
2011-03-29  8:00           ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]             ` <99B09243E1A5DA4898CDD8B7001114481085E2375D-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-29 11:05               ` Arnd Bergmann
2011-03-29 11:59                 ` Alan Cox
     [not found]                   ` <20110329125931.21a69776-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2011-03-29 12:04                     ` Arnd Bergmann
     [not found]                       ` <201103291404.39023.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-29 12:23                         ` Alan Cox
     [not found]                           ` <20110329132305.7aa065a1-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
2011-03-29 13:22                             ` Arnd Bergmann
     [not found]                 ` <201103291305.02293.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-31 14:16                   ` Samuel Ortiz
2011-03-31 14:42                     ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]                       ` <99B09243E1A5DA4898CDD8B7001114481085F0FE5A-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-31 14:49                         ` Arnd Bergmann
2011-03-31 15:09                         ` Samuel Ortiz
2011-03-31 15:24                           ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w
     [not found]                             ` <99B09243E1A5DA4898CDD8B7001114481085F0FE7C-TzrFtyi11j7rLp5S7fUuNkEOCMrvLtNR@public.gmane.org>
2011-03-31 15:30                               ` Samuel Ortiz
2011-04-01 18:19                                 ` Aloisio Almeida
     [not found]                                   ` <AANLkTikjTAFrhS7_P+KJ-r-33K6fW2+63OnLhjXE-u0k-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-04-01 19:43                                     ` Arnd Bergmann
2011-06-06 20:22                                 ` Pavan Savoy
     [not found]                                   ` <BANLkTimsZeqvSWj+kKWLSmFOQc70KWodcw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-06 20:30                                     ` Pavan Savoy
     [not found]                                       ` <BANLkTim9tyZXhLUxzHL2K-nWtujsJTB0fw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-06 20:46                                         ` Aloisio Almeida
2011-06-06 20:50                                     ` Samuel Ortiz
2011-03-18 15:50       ` Randy Dunlap
     [not found]         ` <20110318085033.9bea6dc9.rdunlap-/UHa2rfvQTnk1uMJSBkQmQ@public.gmane.org>
2011-03-18 15:57           ` Waldemar.Rymarkiewicz-++hxYGjEMp0AvxtiuMwx3w

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=201103141801.01333.arnd@arndb.de \
    --to=arnd@arndb.de \
    --cc=Waldemar.Rymarkiewicz@tieto.com \
    --cc=hthebaud@insidefr.com \
    --cc=linux-i2c@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=matti.j.aaltonen@nokia.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).