linux-kernel - Re: [RFC PATCH v3 6/7] mmc: sdhci-msm: Switch to the new ICE API

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: <ZA91f2De7QmeMUZn@sol.localdomain>
Date:   Mon, 13 Mar 2023 12:11:59 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Abel Vesa <abel.vesa@...aro.org>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-scsi@...r.kernel.org
Subject: Re: [RFC PATCH v3 6/7] mmc: sdhci-msm: Switch to the new ICE API

On Mon, Mar 13, 2023 at 01:52:01PM +0200, Abel Vesa wrote:
>  static int sdhci_msm_ice_init(struct sdhci_msm_host *msm_host,
>  			      struct cqhci_host *cq_host)
>  {
>  	struct mmc_host *mmc = msm_host->mmc;
>  	struct device *dev = mmc_dev(mmc);
> -	struct resource *res;
> -
> -	if (!(cqhci_readl(cq_host, CQHCI_CAP) & CQHCI_CAP_CS))
> -		return 0;
> -
> -	res = platform_get_resource_byname(msm_host->pdev, IORESOURCE_MEM,
> -					   "ice");
> -	if (!res) {
> -		dev_warn(dev, "ICE registers not found\n");
> -		goto disable;
> -	}
> +	int ret = 0;
>  
> -	if (!qcom_scm_ice_available()) {
> -		dev_warn(dev, "ICE SCM interface not found\n");
> -		goto disable;
> +	if (cqhci_readl(cq_host, CQHCI_CAP) & CQHCI_CAP_CS) {
> +		msm_host->ice = of_qcom_ice_get(dev);
> +		if (IS_ERR(msm_host->ice))
> +			ret = PTR_ERR(msm_host->ice);
>  	}
>  
> -	msm_host->ice_mem = devm_ioremap_resource(dev, res);
> -	if (IS_ERR(msm_host->ice_mem))
> -		return PTR_ERR(msm_host->ice_mem);
> -
> -	if (!sdhci_msm_ice_supported(msm_host))
> -		goto disable;
> -
> -	mmc->caps2 |= MMC_CAP2_CRYPTO;
> -	return 0;
> -
> -disable:
> -	dev_warn(dev, "Disabling inline encryption support\n");
> -	return 0;
> -}

It looks like the line 'mmc->caps2 |= MMC_CAP2_CRYPTO;' got lost?  This patch
can't work without it.

- Eric