From: Adrian Hunter <adrian.hunter@intel.com>
To: <ziniu.wang_1@nxp.com>, <ulf.hansson@linaro.org>, <haibo.chen@nxp.com>
Cc: <Frank.Li@nxp.com>, <s.hauer@pengutronix.de>,
<kernel@pengutronix.de>, <festevam@gmail.com>,
<imx@lists.linux.dev>, <linux-mmc@vger.kernel.org>, <s32@nxp.com>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/4] mmc: sdhci-esdhc-imx: add 1-bit bus width support
Date: Wed, 11 Mar 2026 11:05:25 +0200 [thread overview]
Message-ID: <181b3536-04d2-49d7-90bb-2ffc55d5ed18@intel.com> (raw)
In-Reply-To: <20260303105006.989339-3-ziniu.wang_1@nxp.com>
On 03/03/2026 12:50, ziniu.wang_1@nxp.com wrote:
> From: Luke Wang <ziniu.wang_1@nxp.com>
>
> Add sdhci_get_property() call to parse common SDHCI DT properties,
> including "bus-width = <1>" which sets SDHCI_QUIRK_FORCE_1_BIT_DATA
> quirk for 1-bit data bus width configuration.
>
> Remove the duplicate "no-1-8-v" property parsing since
> sdhci_get_property() already handles it.
>
> Signed-off-by: Luke Wang <ziniu.wang_1@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
> drivers/mmc/host/sdhci-esdhc-imx.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
> index 97461e20425d..b607d4ffc562 100644
> --- a/drivers/mmc/host/sdhci-esdhc-imx.c
> +++ b/drivers/mmc/host/sdhci-esdhc-imx.c
> @@ -1813,8 +1813,6 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
>
> of_property_read_u32(np, "fsl,strobe-dll-delay-target",
> &boarddata->strobe_dll_delay_target);
> - if (of_property_read_bool(np, "no-1-8-v"))
> - host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
>
> if (of_property_read_u32(np, "fsl,delay-line", &boarddata->delay_line))
> boarddata->delay_line = 0;
> @@ -1833,6 +1831,8 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
> if (ret)
> return ret;
>
> + sdhci_get_property(pdev);
> +
> /* HS400/HS400ES require 8 bit bus */
> if (!(host->mmc->caps & MMC_CAP_8_BIT_DATA))
> host->mmc->caps2 &= ~(MMC_CAP2_HS400 | MMC_CAP2_HS400_ES);
next prev parent reply other threads:[~2026-03-11 9:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-03 10:50 [PATCH v2 0/4] mmc: sdhci-esdhc-imx: add 1-bit bus width support ziniu.wang_1
2026-03-03 10:50 ` [PATCH v2 1/4] mmc: sdhci: fix timing selection for 1-bit bus width ziniu.wang_1
2026-03-03 21:00 ` Frank Li
2026-03-11 9:05 ` Adrian Hunter
2026-03-11 9:19 ` [EXT] " Luke Wang
2026-03-03 10:50 ` [PATCH v2 2/4] mmc: sdhci-esdhc-imx: add 1-bit bus width support ziniu.wang_1
2026-03-03 21:00 ` Frank Li
2026-03-11 9:05 ` Adrian Hunter [this message]
2026-03-03 10:50 ` [PATCH v2 3/4] mmc: sdhci-esdhc-imx: remove duplicate HS400 bus width validation ziniu.wang_1
2026-03-03 21:01 ` Frank Li
2026-03-11 9:05 ` Adrian Hunter
2026-03-03 10:50 ` [PATCH v2 4/4] mmc: sdhci-pltfm: remove duplicate DTS property parsing ziniu.wang_1
2026-03-03 21:01 ` Frank Li
2026-03-11 9:08 ` Adrian Hunter
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