lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Sat, 26 Dec 2020 19:34:26 +0200
From:   Andy Shevchenko <>
To:     Nikita Shubin <>
Cc:     Linus Walleij <>,
        Bartosz Golaszewski <>,
        "open list:GPIO SUBSYSTEM" <>,
        Linux Kernel Mailing List <>
Subject: Re: [RFC PATCH 0/3] gpio: ep93xx: convert to multi irqchips

On Thu, Dec 24, 2020 at 1:24 PM Nikita Shubin <> wrote:
> I was lucky enough to became an owner of some splendid piece's of
> antiques called ts7250 based on the top of Cirrus Logic EP9302.
> I don't know what fate expects this hardware (it's not EOL it's just Not
> recommended for new designs) but i wanted to share fixes in ep93xx gpio area.
> It seems ep93xx is deadly broken at current state usage of AB gpiochips
> interrupts leads to deadlocks coused by irq_unmask/irq_mask recursions.

I personally consider it quite nice to have support even for outdated
hardware (reminds me about a recent LWN article about 32-bit
architectures and a comment there how it could affect the environment
if we drop them from being supported).

So I fully support this series.

With Best Regards,
Andy Shevchenko

Powered by blists - more mailing lists