linux-kernel - Re: [PATCH 6/6] soundwire: qcom: add support to new interrupts

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Date:   Fri, 29 Jan 2021 13:38:48 -0600
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        vkoul@...nel.org
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        sanyog.r.kale@...el.com, yung-chuan.liao@...ux.intel.com
Subject: Re: [PATCH 6/6] soundwire: qcom: add support to new interrupts



On 1/29/21 11:32 AM, Srinivas Kandagatla wrote:
> Add support to new interrupts and update irq routine in a way
> to deal with multiple pending interrupts with in a single interrupt!

I can't parse the wording after 'update irq routine'.


> +	swrm->reg_write(swrm, SWRM_INTERRUPT_CLEAR, intr_sts);
> +	swrm->reg_write(swrm, SWRM_INTERRUPT_CLEAR, 0x0);

what does this second write 0x0 do? Usually interrupts are W1C, and you 
didn't have this before.