Return-path: Received: from mail-io0-f178.google.com ([209.85.223.178]:33243 "EHLO mail-io0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932124AbeARPRv (ORCPT ); Thu, 18 Jan 2018 10:17:51 -0500 Received: by mail-io0-f178.google.com with SMTP id n7so8722193iob.0 for ; Thu, 18 Jan 2018 07:17:51 -0800 (PST) From: Kyle Evans Date: Thu, 18 Jan 2018 12:50:24 -0500 To: Arend van Spriel Cc: Kyle Evans , linux-wireless@vger.kernel.org Subject: sdio failure to initialize on warm boot. Message-ID: <20180118172804.GA1170@localhost.localdomain> (sfid-20180118_161805_608081_9D86A826) References: <7c73dc36-5b7a-729e-4656-b45839c1360d@gmail.com> <5A55D325.60805@broadcom.com> <3842a299-cd14-65db-1222-6849bc95ef74@gmail.com> <5A59CF17.6040706@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <5A59CF17.6040706@broadcom.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: * Arend van Spriel : > On 1/12/2018 9:18 PM, Kyle Evans wrote: > > 2) After reboot I get this nasty error... > > [ 0.000000] Kernel command line: console=tty0 selinux=0 > > video=1280x800 root=/dev/mmcblk1p1 brcmfmac.bebug=0x20000 > > [ 2.269750] mmc0: Invalid maximum block size, assuming 512 bytes > > [ 2.330010] mmc0: SDHCI controller on c8000000.sdhci [c8000000.sdhci] > > using ADMA > > [ 2.645242] mmc0: error -110 whilst initialising SDIO card > > Ok. I suppose you mean a warm reboot. So I suppose the card is not > properly power cycled. If your SDHCI controller driver (is it > sdhci-acpi?) is loaded as a module, you could try to unload it and load > it again. Let me know if that works for you to confirm my guess. Your guess is correct. The following brings up wifi after failure to do so during warm boot. modprobe -r sdhci-tegra; modprobe sdhci-tegra; -Kyle