From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: Michael Tretter <m.tretter@pengutronix.de>,
Sascha Hauer <s.hauer@pengutronix.de>,
Steffen Trumtrar <s.trumtrar@pengutronix.de>,
BAREBOX <barebox@lists.infradead.org>
Subject: Re: [PATCH] mci: cadence: fix device tree override of host_caps
Date: Fri, 10 Apr 2026 09:19:16 +0200 [thread overview]
Message-ID: <68ee1a91-eb84-4739-bf54-464b35834768@pengutronix.de> (raw)
In-Reply-To: <20260409-socfpga-agilex5-sdhci-v1-1-d1753ac5defa@pengutronix.de>
On 4/9/26 4:15 PM, Michael Tretter wrote:
> The host_caps setting in the device tree shall override the default
> host_caps set by the driver to allow board specific overrides.
>
> Move the configuration of the driver default host_caps before the call
> to mci_of_parse().
>
> mci_of_parse() still has to be called in the middle of the mci
> configuration, because f_max may be set in the device tree, but is used
> to calculate f_min.
>
> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> ---
> drivers/mci/cadence-sdhci.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mci/cadence-sdhci.c b/drivers/mci/cadence-sdhci.c
> index ccd0f36cb033..b76c04f5e087 100644
> --- a/drivers/mci/cadence-sdhci.c
> +++ b/drivers/mci/cadence-sdhci.c
> @@ -471,13 +471,14 @@ static int sdhci_cdns_probe(struct device *dev)
>
> dev->priv = priv;
>
> + priv->mci.voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
> + priv->mci.host_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
> + priv->mci.host_caps |= MMC_CAP_MMC_HIGHSPEED_52MHZ;
> +
> priv->mci.f_max = clk_get_rate(priv->biu_clk);
> mci_of_parse(mci);
> priv->mci.f_min = priv->mci.f_max / SDHCI_MAX_DIV_SPEC_300;
>
> - priv->mci.voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
> - priv->mci.host_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
> - priv->mci.host_caps |= MMC_CAP_MMC_HIGHSPEED_52MHZ;
> if (is_sd4hc) {
> ret = sdhci_cdns4_phy_probe(dev, priv);
> } else {
>
> ---
> base-commit: 86269eff785a915cfb96f09d9c7ec81a89d33012
> change-id: 20260409-socfpga-agilex5-sdhci-d4179764d02f
>
> Best regards,
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
next prev parent reply other threads:[~2026-04-10 7:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-09 14:15 Michael Tretter
2026-04-10 7:19 ` Ahmad Fatoum [this message]
2026-04-13 7:03 ` Sascha Hauer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=68ee1a91-eb84-4739-bf54-464b35834768@pengutronix.de \
--to=a.fatoum@pengutronix.de \
--cc=barebox@lists.infradead.org \
--cc=m.tretter@pengutronix.de \
--cc=s.hauer@pengutronix.de \
--cc=s.trumtrar@pengutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox