From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Walleij Subject: Re: sdhci driver card-detect is broken because gpiolib can't fallback to _CRS? Date: Fri, 28 Sep 2018 10:42:07 +0200 Message-ID: References: <20180926074756.GD2664@lahna.fi.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Rajat Jain Cc: Andy Shevchenko , Mika Westerberg , Andy Shevchenko , Dmitry Torokhov , "open list:GPIO SUBSYSTEM" , ACPI Devel Maling List , "linux-kernel@vger.kernel.org" , Adrian Hunter , Ulf Hansson , linux-mmc , rajatxjain@gmail.com List-Id: linux-acpi@vger.kernel.org On Thu, Sep 27, 2018 at 7:57 PM Rajat Jain wrote: > > Patches are welcome, I think. > > > > Btw, is there any existing hardware on the market with such BIOS? > > Yes, all the chrome books available in the market (at least the ones > released in last 3 years) have same ACPI layout (provide _DSD for > card-detect). They are all working fine today because they use an > older kernel, but if we update them to the latest kernel, this part > will be broken. This is not looking good at all. Andy should we revert the patch or do you have some other quick fix in mind we could do? It seems reverting the patch could be bad for the mctrl patches IIUC, but this regression seems even more serious. Yours, Linus Walleij