linux-kernel - RE: [PATCH v2] mmc: sdhci-of-dwcmshc: add ACPI match data for BlueField-3 SoC

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Date:   Tue, 9 Aug 2022 17:39:03 +0000
From:   Liming Sun <limings@...dia.com>
To:     Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        David Woods <davwoods@...dia.com>,
        Shawn Lin <shawn.lin@...k-chips.com>
CC:     "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2] mmc: sdhci-of-dwcmshc: add ACPI match data for
 BlueField-3 SoC

Thanks. Done and rebased to mmc 'next' in patch v3.

> -----Original Message-----
> From: Adrian Hunter <adrian.hunter@...el.com>
> Sent: Monday, August 8, 2022 4:26 AM
> To: Liming Sun <limings@...dia.com>; Ulf Hansson <ulf.hansson@...aro.org>;
> David Woods <davwoods@...dia.com>; Shawn Lin <shawn.lin@...k-
> chips.com>
> Cc: linux-mmc@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v2] mmc: sdhci-of-dwcmshc: add ACPI match data for
> BlueField-3 SoC
> 
> On 7/08/22 23:56, Liming Sun wrote:
> > Commit 08f3dff799d43 introduces the of_device_get_match_data()
> > checking for some chip but breaks the BlueField-3 firmware which
> > uses ACPI instead. This commit adds the ACPI match data and
> > quirks/quirks2 to re-enable the support of BlueField-3 SoC.
> >
> > Reviewed-by: David Woods <davwoods@...dia.com>
> > Signed-off-by: Liming Sun <limings@...dia.com>
> 
> Please re-base this patch because it does not apply to
> latest mmc "next" branch.
> 
> > ---
> > v1->v2:
> >     Fixes an acpi warning
> >     Reported-by: kernel test robot <lkp@...el.com>
> > v1: Initial version.
> > ---
> >  drivers/mmc/host/sdhci-of-dwcmshc.c | 16 ++++++++++++++--
> >  1 file changed, 14 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c
> b/drivers/mmc/host/sdhci-of-dwcmshc.c
> > index bac874ab0b33..a0c73ddaaaa4 100644
> > --- a/drivers/mmc/host/sdhci-of-dwcmshc.c
> > +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
> > @@ -279,6 +279,15 @@ static const struct sdhci_pltfm_data
> sdhci_dwcmshc_pdata = {
> >  	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
> >  };
> >
> > +#ifdef CONFIG_ACPI
> > +static const struct sdhci_pltfm_data sdhci_dwcmshc_bf3_pdata = {
> > +	.ops = &sdhci_dwcmshc_ops,
> > +	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
> > +	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
> > +		   SDHCI_QUIRK2_ACMD23_BROKEN,
> > +};
> > +#endif
> > +
> >  static const struct sdhci_pltfm_data sdhci_dwcmshc_rk3568_pdata = {
> >  	.ops = &sdhci_dwcmshc_rk3568_ops,
> >  	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
> > @@ -336,7 +345,10 @@ MODULE_DEVICE_TABLE(of,
> sdhci_dwcmshc_dt_ids);
> >
> >  #ifdef CONFIG_ACPI
> >  static const struct acpi_device_id sdhci_dwcmshc_acpi_ids[] = {
> > -	{ .id = "MLNXBF30" },
> > +	{
> > +		.id = "MLNXBF30",
> > +		.driver_data = (kernel_ulong_t)&sdhci_dwcmshc_bf3_pdata,
> > +	},
> >  	{}
> >  };
> >  #endif
> > @@ -352,7 +364,7 @@ static int dwcmshc_probe(struct platform_device
> *pdev)
> >  	int err;
> >  	u32 extra;
> >
> > -	pltfm_data = of_device_get_match_data(&pdev->dev);
> > +	pltfm_data = device_get_match_data(&pdev->dev);
> >  	if (!pltfm_data) {
> >  		dev_err(&pdev->dev, "Error: No device match data found\n");
> >  		return -ENODEV;