Return-path: Received: from mail-wm0-f47.google.com ([74.125.82.47]:56405 "EHLO mail-wm0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751457AbdKFK7k (ORCPT ); Mon, 6 Nov 2017 05:59:40 -0500 Received: by mail-wm0-f47.google.com with SMTP id z3so13255000wme.5 for ; Mon, 06 Nov 2017 02:59:39 -0800 (PST) Subject: Re: [PATCH] brcmfmac: add support for external 32khz clock To: Simon Shields , linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com References: <20171104132421.GA1541@archbox.home> Cc: Franky Lin , Hante Meuleman , Chi-Hsien Lin , Wright Feng From: Arend van Spriel Message-ID: <5A004099.90200@broadcom.com> (sfid-20171106_115944_115977_79EAEB36) Date: Mon, 6 Nov 2017 11:59:37 +0100 MIME-Version: 1.0 In-Reply-To: <20171104132421.GA1541@archbox.home> Content-Type: text/plain; charset=windows-1252; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 11/4/2017 2:24 PM, Simon Shields wrote: > Some boards use an external 32khz clock for low-power > mode timing. Make sure the clock is powered on while the chipset > is active. Do you have such a board? With the little documentation I can get my hands on here I wonder whether the clock needs to be enabled before the device is powered. If you have the hardware I would like to check some registers in the device. Regards, Arend