Re: [patch 5/7] SDHCI: Samsung SDHCI (HSMMC) driver

From: Pierre Ossman
Date: Fri Nov 14 2008 - 16:48:27 EST


On Mon, 03 Nov 2008 20:09:49 +0000
Ben Dooks <ben-linux@xxxxxxxxx> wrote:

> +static void sdhci_s3c_sel_sclk(struct sdhci_host *host)
> +{
> + struct sdhci_s3c *ourhost = to_s3c(host);
> +
> + /* select sclk */
> + u32 tmp = readl(host->ioaddr + 0x80);
> +
> + if ((tmp & (3 << 4)) == (2 << 4))
> + return;
> +
> + tmp &= ~(3<<4);
> + tmp |= (2 << 4);
> + writel(tmp, host->ioaddr + 0x80);
> +}

No defines for this? This is not terribly readable.

> + if (pdata->cfg_card)
> + pdata->cfg_card(ourhost->pdev, host->ioaddr,
> + ios, host->mmc->card);

What's the deal here? Hosts shouldn't know more about the card than the
MMC core tells them.

Since I have no hardware for this, could you take it upon you to handle
support for these chips? I'd like a MAINTAINERS patch for that as well.

Rgds
--
-- Pierre Ossman

Linux kernel, MMC maintainer http://www.kernel.org
rdesktop, core developer http://www.rdesktop.org

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