linux-kernel - Re: [PATCH v8 1/6] software node: rename is_array to is

lists.openwall.net		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 linux-cve-announce 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:   Thu, 12 Dec 2019 13:28:25 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org,
        'Linux Samsung SOC' <linux-samsung-soc@...r.kernel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Felipe Balbi <balbi@...nel.org>,
        Linux USB Mailing List <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v8 1/6] software node: rename is_array to is_inline

On Thu, Dec 12, 2019 at 12:12:36PM +0100, Marek Szyprowski wrote:
> Dear All,
> 
> On 08.11.2019 05:22, Dmitry Torokhov wrote:
> > We do not need a special flag to know if we are dealing with an array,
> > as we can get that data from ratio between element length and the data
> > size, however we do need a flag to know whether the data is stored
> > directly inside property_entry or separately.
> >
> > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> 
> Today I've noticed that this patch got merged to linux-next as commit 
> e6bff4665c595b5a4aff173848851ed49ac3bfad. Sadly it breaks DWC3/xHCI 
> driver operation on Samsung Exynos5 SoCs (and probably on other SoCs 
> which use DWC3 in host mode too). I get the following errors during boot:
> 
> dwc3 12000000.dwc3: failed to add properties to xHCI
> dwc3 12000000.dwc3: failed to initialize host
> dwc3: probe of 12000000.dwc3 failed with error -61
> 
> Here is a full kernel log from Exynos5250-based Snow Chromebook on KernelCI:
> 
> https://storage.kernelci.org/next/master/next-20191212/arm/exynos_defconfig/gcc-8/lab-collabora/boot-exynos5250-snow.txt
> 
> (lack of 'ref' clk is not related nor fatal to the driver operation).
> 
> The code which fails after this patch is located in 
> drivers/usb/dwc3/host.c. Let me know if I can help more in locating the bug.

Thank you for report.

I think we should not have that patch in the fist place... I used to have
a bad feeling about it and then forgot about it existence.

-- 
With Best Regards,
Andy Shevchenko