linux-kernel - Re: [PATCH v1] ACPI: Switch to use generic UUID API

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Message-ID: <87d1bpotd4.fsf@intel.com>
Date:   Thu, 04 May 2017 12:37:27 +0300
From:   Jani Nikula <jani.nikula@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-acpi@...r.kernel.org, tpmdd-devel@...ts.sourceforge.net,
        intel-gfx@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-input@...r.kernel.org, iommu@...ts.linux-foundation.org,
        linux-mmc@...r.kernel.org, netdev@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-usb@...r.kernel.org,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Borislav Petkov <bp@...e.de>,
        Dan Williams <dan.j.williams@...el.com>,
        Amir Goldstein <amir73il@...il.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Joerg Roedel <joro@...tes.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Yisen Zhuang <yisen.zhuang@...wei.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Felipe Balbi <balbi@...nel.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH v1] ACPI: Switch to use generic UUID API

On Thu, 04 May 2017, Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c
> index eb638a1e69d2..72bfe6ceadf8 100644
> --- a/drivers/gpu/drm/i915/intel_acpi.c
> +++ b/drivers/gpu/drm/i915/intel_acpi.c
> @@ -15,13 +15,9 @@ static struct intel_dsm_priv {
>  	acpi_handle dhandle;
>  } intel_dsm_priv;
>  
> -static const u8 intel_dsm_guid[] = {
> -	0xd3, 0x73, 0xd8, 0x7e,
> -	0xd0, 0xc2,
> -	0x4f, 0x4e,
> -	0xa8, 0x54,
> -	0x0f, 0x13, 0x17, 0xb0, 0x1c, 0x2c
> -};
> +static const uuid_le intel_dsm_guid =
> +	UUID_LE(0x7ed873d3, 0xc2d0, 0x4e4f,
> +		0xa8, 0x54, 0x0f, 0x13, 0x17, 0xb0, 0x1c, 0x2c);
>  
>  static char *intel_dsm_port_name(u8 id)
>  {
> @@ -80,7 +76,7 @@ static void intel_dsm_platform_mux_info(void)
>  	int i;
>  	union acpi_object *pkg, *connector_count;
>  
> -	pkg = acpi_evaluate_dsm_typed(intel_dsm_priv.dhandle, intel_dsm_guid,
> +	pkg = acpi_evaluate_dsm_typed(intel_dsm_priv.dhandle, &intel_dsm_guid,
>  			INTEL_DSM_REVISION_ID, INTEL_DSM_FN_PLATFORM_MUX_INFO,
>  			NULL, ACPI_TYPE_PACKAGE);
>  	if (!pkg) {
> @@ -118,7 +114,7 @@ static bool intel_dsm_pci_probe(struct pci_dev *pdev)
>  	if (!dhandle)
>  		return false;
>  
> -	if (!acpi_check_dsm(dhandle, intel_dsm_guid, INTEL_DSM_REVISION_ID,
> +	if (!acpi_check_dsm(dhandle, &intel_dsm_guid, INTEL_DSM_REVISION_ID,
>  			    1 << INTEL_DSM_FN_PLATFORM_MUX_INFO)) {
>  		DRM_DEBUG_KMS("no _DSM method for intel device\n");
>  		return false;

The drm/i915 hunk above is

Reviewed-by: Jani Nikula <jani.nikula@...el.com>

and acked for merging via whichever tree is suitable.


BR,
Jani.

-- 
Jani Nikula, Intel Open Source Technology Center