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Tue, 15 May 2018 12:01:03 -0400 X-ME-Sender: Date: Tue, 15 May 2018 18:00:47 +0200 From: Greg KH To: Paul Menzel Cc: Heikki Krogerus , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Mario Limonciello Subject: Re: `ucsi_acpi: probe of USBC000:00 failed with error -12` on Dell XPS 13 9370 Message-ID: <20180515160047.GB26720@kroah.com> References: <9365397f-7206-728e-ee76-146629bfd186@molgen.mpg.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <9365397f-7206-728e-ee76-146629bfd186@molgen.mpg.de> User-Agent: Mutt/1.9.5 (2018-04-13) Sender: linux-usb-owner@vger.kernel.org X-Mailing-List: linux-usb@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Tue, May 15, 2018 at 04:34:03PM +0200, Paul Menzel wrote: > Dear Linux folks, > > > Linux 4.17-rc5 shows the error below on the Dell XPS 13 9370 with Debian > Sid/unstable. > > ``` > […] > [ 0.440240] usb: port power management may be unreliable > [ 0.441358] usbcore: registered new interface driver usb-storage > [ 0.441367] usbcore: registered new interface driver usbserial_generic > [ 0.441369] usbserial: USB Serial support registered for generic > [ 0.441383] ioremap error for 0x3f799000-0x3f79a000, requested 0x2, got > 0x0 > [ 0.441518] ucsi_acpi: probe of USBC000:00 failed with error -12 > […] > ``` > > 1. Are the ioremap and ucsi_acpi error related or is a separate report > needed? The ioremap error is what causes ucsi_acpi to fail the probe call (-12 is "out of memory".) > 2. Do you know the reason for the ucsi_acpi error? the call to ioremap failed. Does this device really have a working typec connector? Does normal USB devices work with it? thanks, greg k-h