From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751983AbdKFI5b (ORCPT ); Mon, 6 Nov 2017 03:57:31 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:45330 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751056AbdKFI53 (ORCPT ); Mon, 6 Nov 2017 03:57:29 -0500 X-Google-Smtp-Source: ABhQp+SJUh7in2f1sYNvcI5E3vRuUPNAv36nz2r4WeVSBD17vJG99BJhw5ge/3eo2yfNF972Q/KPAQ== Subject: Re: [PATCH] clk: meson: gxbb: fix wrong clock for SARADC/SANA To: Yixun Lan , Jerome Brunet Cc: Michael Turquette , Stephen Boyd , Carlo Caione , Kevin Hilman , Xingyu Chen , linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20171106075212.14275-1-yixun.lan@amlogic.com> From: Neil Armstrong Organization: Baylibre Message-ID: <889b8fd5-31e4-1371-6121-0f1aec6fa777@baylibre.com> Date: Mon, 6 Nov 2017 09:57:26 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <20171106075212.14275-1-yixun.lan@amlogic.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/11/2017 08:52, Yixun Lan wrote: > According to the datasheet, in Meson-GXBB/GXL series, > The clock gate bit for SARADC is HHI_GCLK_MPEG2 bit[22], > while clock gate bit for SANA is HHI_GCLK_MPEG0 bit[10]. > > Test passed at gxl_skt dev board. > > Tested-by: Xingyu Chen > Signed-off-by: Yixun Lan > > --- > I think this error was introduced by a copy & paste from meson8 code? > and we didn't notice them due to the SANA clock is also enabled by > DTS (so SAR_ADC works fine)? > --- > drivers/clk/meson/gxbb.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c > index b2d1e8ed7152..92168348ffa6 100644 > --- a/drivers/clk/meson/gxbb.c > +++ b/drivers/clk/meson/gxbb.c > @@ -1139,7 +1139,7 @@ static MESON_GATE(gxbb_pl301, HHI_GCLK_MPEG0, 6); > static MESON_GATE(gxbb_periphs, HHI_GCLK_MPEG0, 7); > static MESON_GATE(gxbb_spicc, HHI_GCLK_MPEG0, 8); > static MESON_GATE(gxbb_i2c, HHI_GCLK_MPEG0, 9); > -static MESON_GATE(gxbb_sar_adc, HHI_GCLK_MPEG0, 10); > +static MESON_GATE(gxbb_sana, HHI_GCLK_MPEG0, 10); > static MESON_GATE(gxbb_smart_card, HHI_GCLK_MPEG0, 11); > static MESON_GATE(gxbb_rng0, HHI_GCLK_MPEG0, 12); > static MESON_GATE(gxbb_uart0, HHI_GCLK_MPEG0, 13); > @@ -1190,7 +1190,7 @@ static MESON_GATE(gxbb_usb0_ddr_bridge, HHI_GCLK_MPEG2, 9); > static MESON_GATE(gxbb_mmc_pclk, HHI_GCLK_MPEG2, 11); > static MESON_GATE(gxbb_dvin, HHI_GCLK_MPEG2, 12); > static MESON_GATE(gxbb_uart2, HHI_GCLK_MPEG2, 15); > -static MESON_GATE(gxbb_sana, HHI_GCLK_MPEG2, 22); > +static MESON_GATE(gxbb_sar_adc, HHI_GCLK_MPEG2, 22); > static MESON_GATE(gxbb_vpu_intr, HHI_GCLK_MPEG2, 25); > static MESON_GATE(gxbb_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26); > static MESON_GATE(gxbb_clk81_a53, HHI_GCLK_MPEG2, 29); > Hi Yixun, Can you precise how it affects the saradc driver ? from the DT and clk PoV ? Also, can you add a Fixes: tag on the patch ? Thanks, Neil