linux-kernel - Re: [PATCH] pinctrl: intel: Assume 0 by default for PNP UID

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Message-ID: <CAHp75VccS43XVophOW=+5=A4p4cUiwvXdwGp-yU+BNDN3cOu3g@mail.gmail.com>
Date:   Sat, 4 Dec 2021 14:49:18 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     "mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>,
        "andy@...nel.org" <andy@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: intel: Assume 0 by default for PNP UID

On Saturday, December 4, 2021, Kai-Heng Feng
<kai.heng.feng@...onical.com> wrote:
>
> There's an EHL board that the DSDT doesn't have _UID for pinctrl device,
> and that causes a NULL pointer dereference in strcmp().
>
> So in the absence of _UID, assume it's 0 by default to avoid the issue
> and get a pinmap.

Do you have updated firmware?


-- 
With Best Regards,
Andy Shevchenko