linux-kernel - Re: [PATCH v2 3/4] soundwire: qcom: add support for mmio soundwire master devices

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]

Message-ID: <ad39f109-bfc9-332e-adc2-355499db1ab7@linux.intel.com>
Date:   Tue, 8 Sep 2020 08:56:25 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Jonathan Marek <jonathan@...ek.ca>, linux-arm-msm@...r.kernel.org
Cc:     "moderated list:SOUNDWIRE SUBSYSTEM" <alsa-devel@...a-project.org>,
        open list <linux-kernel@...r.kernel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, Andy Gross <agross@...nel.org>,
        Sanyog Kale <sanyog.r.kale@...el.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>
Subject: Re: [PATCH v2 3/4] soundwire: qcom: add support for mmio soundwire
 master devices




> @@ -764,8 +786,11 @@ static int qcom_swrm_probe(struct platform_device *pdev)
>   		if (!ctrl->regmap)
>   			return -EINVAL;
>   	} else {
> -		/* Only WCD based SoundWire controller is supported */
> -		return -ENOTSUPP;
> +		ctrl->reg_read = qcom_swrm_cpu_reg_read;
> +		ctrl->reg_write = qcom_swrm_cpu_reg_write;
> +		ctrl->mmio = devm_platform_ioremap_resource(pdev, 0);
> +		if (IS_ERR(ctrl->mmio))
> +			return PTR_ERR(ctrl->mmio);

Shouldn't this be conditional on SLIMBUS being enabled, as done in your 
patch2?

>   	}
>   
>   	ctrl->irq = of_irq_get(dev->of_node, 0);
>