linux-kernel - Re: [PATCH 0/7] gpio: exar: refactor the driver

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Message-ID: <CAHp75VdRNFqDySL6D-7BzBMRu1+aPgeT=kxWtcthYH3pVWRycg@mail.gmail.com>
Date:   Wed, 4 Nov 2020 16:52:20 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Jan Kiszka <jan.kiszka@...mens.com>
Cc:     Bartosz Golaszewski <brgl@...ev.pl>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 0/7] gpio: exar: refactor the driver

On Wed, Nov 4, 2020 at 3:57 PM Jan Kiszka <jan.kiszka@...mens.com> wrote:
> On 27.10.20 16:12, Jan Kiszka wrote:
> > On 26.10.20 15:46, Andy Shevchenko wrote:
> >> On Mon, Oct 26, 2020 at 4:22 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> >>>
> >>> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> >>>
> >>> I just wanted to convert the driver to using simpler IDA API but ended up
> >>> quickly converting it to using regmap. Unfortunately I don't have the HW
> >>> to test it so marking the patches that introduce functional change as RFT
> >>> and Cc'ing the original author.
> >>
> >> +Cc: Jan, AFAIR their devices are using Exar UART.
> >>
> >
> > Thanks for CC'ing. I cannot promise testing this soon, but I will try my
> > best.
> >
>
> Finally tested, unfortunately with bad news:

> Code: Unable to access opcode bytes at RIP 0xffffffd6.

I guess it is due to missed error pointer handling somewhere, as above
is equal to -ENOMSG.

-- 
With Best Regards,
Andy Shevchenko