Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:40580 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757578AbdKHAam (ORCPT ); Tue, 7 Nov 2017 19:30:42 -0500 From: Kalle Valo To: Stefan Wahren Cc: brcm80211-dev-list.pdl@broadcom.com, Franky Lin , linux-wireless@vger.kernel.org, Chi-Hsien Lin , Wright Feng , brcm80211-dev-list@cypress.com, Arend van Spriel , Simon Shields , Hante Meuleman Subject: Re: [PATCH] brcmfmac: add support for external 32khz clock References: <20171104132421.GA1541@archbox.home> <1925563700.5172.1509993297900@email.1und1.de> <871slarfvd.fsf@purkki.adurom.net> <964084973.5481.1510037571344@email.1und1.de> Date: Wed, 08 Nov 2017 02:30:37 +0200 In-Reply-To: <964084973.5481.1510037571344@email.1und1.de> (Stefan Wahren's message of "Tue, 7 Nov 2017 07:52:51 +0100 (CET)") Message-ID: <87r2t9ipci.fsf@codeaurora.org> (sfid-20171108_013047_810025_98CFE6E3) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: Stefan Wahren writes: > Hi, > >> Kalle Valo hat am 7. November 2017 um 03:18 geschrieben: >> >> >> Stefan Wahren writes: >> >> >> Simon Shields hat am 4. November 2017 um 14:24 geschrieben: >> >> >> >> >> >> Some boards use an external 32khz clock for low-power >> >> mode timing. Make sure the clock is powered on while the chipset >> >> is active. >> >> >> >> Signed-off-by: Simon Shields >> >> --- >> >> .../devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt | 2 ++ >> >> drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h | 2 ++ >> >> drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c | 5 +++++ >> >> drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 10 ++++++++++ >> >> 4 files changed, 19 insertions(+) >> >> >> >> diff --git a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt >> >> index b2bd4704f859..37add5e29272 100644 >> >> --- a/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt >> >> +++ b/Documentation/devicetree/bindings/net/wireless/brcm,bcm43xx-fmac.txt >> >> @@ -17,6 +17,8 @@ Optional properties: >> >> When not specified the device will use in-band SDIO interrupts. >> >> - interrupt-names : name of the out-of-band interrupt, which must be set >> >> to "host-wake". >> >> + - clocks : external 32khz clock >> >> + - clock-names : name of the external 32khz clock, must be "32khz" >> > >> > sorry for the nitpicking, but according to the datasheet [1] it's >> > 32768 Hz. Apart from that i suggest to use a functional name for the >> > clock like "low_power" or something else, which is more flexible and >> > future-proof. >> > >> > Btw this binding needs to be a separate patch, which should go to the >> > devicetree guys. >> >> Previously I have applied binding documentation changes which the DT >> maintainers have acked, that's why I specifically asked to Cc device >> tree list. Has something changed? > > as long as the changes has been acked this should be okay. I was > referring to point 1 in this guideline [1]. > > [1] - > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/submitting-patches.txt?h=v4.14-rc8 Ah, that's a good point. Splitting the patch does make sense. -- Kalle Valo