linux-kernel - Re: [PATCH v2 5/8] mmc: sdhci-st: Add sdhci_st_set_uhs

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]

Date:	Mon, 30 Mar 2015 11:46:39 +0100
From:	Peter Griffin <peter.griffin@...aro.org>
To:	Maxime Coquelin <maxime.coquelin@...com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	patrice.chotard@...com, srinivas.kandagatla@...il.com,
	chris@...ntf.net, ulf.hansson@...aro.org, lee.jones@...aro.org,
	devicetree@...r.kernel.org, linux-mmc@...r.kernel.org,
	peppe.cavallaro@...com
Subject: Re: [PATCH v2 5/8] mmc: sdhci-st: Add sdhci_st_set_uhs_signaling
 function.

Hi Maxime,

On Tue, 03 Mar 2015, Maxime Coquelin wrote:
> 
> On 02/26/2015 02:10 PM, Peter Griffin wrote:
> >To allow UHS modes to work properly we need to provide the st specific
> >set_uhs_signaling callback function. This function differs from the
> >generic sdhci_set_uhs_signaling callback in that we need to configure
> >the correct delay depending on the UHS mode, and also set the V18_EN
> >bit.
<snip>
> >+	if (ret)
> >+		dev_warn(mmc_dev(host->mmc), "Error setting dll for clock\n");
> Maybe you could  print the uhs value to know which mode it was
> trying to set?

Yes good idea, I have made that change in v3.
> >+
> >+	dev_dbg(mmc_dev(host->mmc), "uhs %d, ctrl_2 %04X\n", uhs, ctrl_2);
> >+
> >+	sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
> >+}
> >  static u32 sdhci_st_readl(struct sdhci_host *host, int reg)
> >  {
> >@@ -283,6 +332,7 @@ static const struct sdhci_ops sdhci_st_ops = {
> >  	.set_bus_width = sdhci_set_bus_width,
> >  	.read_l = sdhci_st_readl,
> >  	.reset = sdhci_reset,
> >+	.set_uhs_signaling = sdhci_st_set_uhs_signaling,
> >  };
> >  static const struct sdhci_pltfm_data sdhci_st_pdata = {
> 
> Other than that, you can add my:
> Acked-by: Maxime Coquelin <maxime.coquelin@...com>

Thanks, regards,

Peter.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/