linux-kernel - Re: [PATCH V9 14/15] mmc: cqhci: support for command queue enabled host

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Date:   Mon, 25 Sep 2017 09:32:00 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Bough Chen <haibo.chen@....com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     linux-mmc <linux-mmc@...r.kernel.org>,
        linux-block <linux-block@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Alex Lemberg <alex.lemberg@...disk.com>,
        Mateusz Nowak <mateusz.nowak@...el.com>,
        Yuliy Izrailov <Yuliy.Izrailov@...disk.com>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Dong Aisheng <dongas86@...il.com>,
        Das Asutosh <asutoshd@...eaurora.org>,
        Zhangfei Gao <zhangfei.gao@...il.com>,
        Sahitya Tummala <stummala@...eaurora.org>,
        Harjani Ritesh <riteshh@...eaurora.org>,
        Venu Byravarasu <vbyravarasu@...dia.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH V9 14/15] mmc: cqhci: support for command queue enabled
 host

On 25/09/17 05:39, Bough Chen wrote:
>> +static void cqhci_set_irqs(struct cqhci_host *cq_host, u32 set) {
>> +	u32 ier;
>> +
>> +	ier = cqhci_readl(cq_host, CQHCI_ISTE);
>> +	ier |= set;
> 
> I think operation ' |= ' is not correct, since we will also call cqhci_set_irqs(cq_host, 0),
> Which means to mask all cmdq irq,  so I think better to directly write the parameter
>  'set' to ISTE and ISGE.

True.  I will send a V10 of this patch.