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From: "Andrew Jeffery" <andrew@aj.id.au>
To: "Adrian Hunter" <adrian.hunter@intel.com>,
	linux-mmc <linux-mmc@vger.kernel.org>
Cc: "Ulf Hansson" <ulf.hansson@linaro.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	mark.rutland@arm.com, "Joel Stanley" <joel@jms.id.au>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	"Ryan Chen" <ryanchen.aspeed@gmail.com>
Subject: Re: [PATCH v2 2/2] mmc: Add support for the ASPEED SD controller
Date: Fri, 26 Jul 2019 16:17:31 +0930	[thread overview]
Message-ID: <4c6c020d-5985-4c57-aaae-c2393f9cc2fc@www.fastmail.com> (raw)
In-Reply-To: <8a7bfe52-83ca-7601-7d75-e5615da7b5de@intel.com>



On Fri, 26 Jul 2019, at 15:27, Adrian Hunter wrote:
> On 26/07/19 3:52 AM, Andrew Jeffery wrote:
> > On Thu, 25 Jul 2019, at 22:49, Adrian Hunter wrote:
> >> On 12/07/19 6:32 AM, Andrew Jeffery wrote:
> >>> +static int aspeed_sdhci_probe(struct platform_device *pdev)
> >>> +{
> >>> +	struct sdhci_pltfm_host *pltfm_host;
> >>> +	struct aspeed_sdhci *dev;
> >>> +	struct sdhci_host *host;
> >>> +	struct resource *res;
> >>> +	int slot;
> >>> +	int ret;
> >>> +
> >>> +	host = sdhci_pltfm_init(pdev, &aspeed_sdc_pdata, sizeof(*dev));
> >>> +	if (IS_ERR(host))
> >>> +		return PTR_ERR(host);
> >>> +
> >>> +	pltfm_host = sdhci_priv(host);
> >>> +	dev = sdhci_pltfm_priv(pltfm_host);
> >>> +	dev->parent = dev_get_drvdata(pdev->dev.parent);
> >>> +
> >>> +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> >>> +	slot = aspeed_sdhci_calculate_slot(dev, res);
> >>> +	if (slot < 0)
> >>> +		return slot;
> >>> +	dev_info(&pdev->dev, "Configuring for slot %d\n", slot);
> >>> +	dev->width_mask = !slot ? ASPEED_SDC_S0MMC8 : ASPEED_SDC_S1MMC8;
> >>
> >> That implies that you only support 2 slots which begs the question why
> >> you don't validate slot.
> > 
> > I'm not sure what you mean here, but I'll dig into it.
> 
> I just meant, if you only support 2 slots:
> 
> 	if (slot > 1)
> 		return -EINVAL;
>

Oh, sure.

      reply	other threads:[~2019-07-26  6:49 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-12  3:32 [PATCH v2 0/2] " Andrew Jeffery
2019-07-12  3:32 ` [PATCH v2 1/2] dt-bindings: mmc: Document Aspeed " Andrew Jeffery
2019-07-12 13:03   ` Rob Herring
2019-07-12 13:10   ` Maxime Ripard
2019-07-15  2:30     ` Andrew Jeffery
2019-07-15 13:26       ` Rob Herring
2019-07-15 22:16   ` Rob Herring
2019-07-16  0:36     ` Andrew Jeffery
2019-07-16 14:57       ` Rob Herring
2019-07-17  3:57         ` Andrew Jeffery
2019-07-17 13:43           ` Rob Herring
2019-07-18  1:49             ` Andrew Jeffery
2019-07-12  3:32 ` [PATCH v2 2/2] mmc: Add support for the ASPEED " Andrew Jeffery
2019-07-25 13:18   ` Adrian Hunter
2019-07-26  0:52     ` Andrew Jeffery
2019-07-26  5:56       ` Adrian Hunter
2019-07-26  6:47         ` Andrew Jeffery [this message]

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