linux-kernel - Re: [PATCH v2 3/3] spi: meson-axg: add a linear clock divider support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 13 Dec 2018 21:25:38 +0800
From:   Sunny Luo <sunny.luo@...ogic.com>
To:     Neil Armstrong <narmstrong@...libre.com>,
        Mark Brown <broonie@...nel.org>
CC:     Yixun Lan <yixun.lan@...ogic.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Xingyu Chen <xingyu.chen@...ogic.com>,
        <linux-spi@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/3] spi: meson-axg: add a linear clock divider support

Hi Neil,

On 2018/12/13 16:55, Neil Armstrong wrote:
> Hi Sunny,
> 
> On 13/12/2018 09:39, Sunny Luo wrote:
>> The SPICC controller in Meson-AXG SoC is capable of using
>> a linear clock divider to reach a much fine tuned range of clocks,
>> while the old controller only use a power of two clock divider,
>> result at a more coarse clock range.
> 
> This patch should definitely go before patch 1.
Would you please show the reason?
> 
>>  
>> +	/* Set master mode and enable controller */
>> +	writel_relaxed(SPICC_ENABLE | SPICC_MODE_MASTER,
>> +		       spicc->base + SPICC_CONREG);
> 
> Please remove it from meson_spicc_prepare_message() now.
>
Yes, I moved it here and forgot remove it at prepare_message().