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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?XNJdabawfp6Sgs/9j3sOm+4JbLJlnjbPfU03f6ErRK1heg+iKWYG0yEnRYNZ?= =?us-ascii?Q?9sp73HWg7As5rC+9AC9zeAsNnghmeMnSp3Ozr6HNfx4aFZkWldEgOwJpIChK?= =?us-ascii?Q?J92Qobj3s2GqtnL+dxmWa4KvaY+QydmaDHRIL5XG5Oxad4MET+ohG33e4YnI?= =?us-ascii?Q?8/BZQQb4zxGXHK2E/8W/fJtESrUDVNAYz2Ru7hFgcjtvHcGqxYuRsM4aMIpa?= =?us-ascii?Q?Kb3AEWd34bzJb76PDIIyWpY2cPivRt1BluYEHHhtQDl7STlXRPJJAWLWf0vx?= =?us-ascii?Q?qPJoQUChXz47oVZCErnEBgt20XC6tbkrGLrPWdWYUvddTanHEai9o0RBcEJL?= =?us-ascii?Q?7FoLDGV2DoCCNp1nK6iyxAtv3sa/Yc4GbhvNJEQkiD9ZLVFQKnjQ8ARhYhXT?= =?us-ascii?Q?xnHlA2Rfn8WouqcPCK5yfmQLxoUJFZffm07u+s6JGg29sUyIcqeNHbRooJmF?= =?us-ascii?Q?PfGiGGqBlgy3MwsKH9U1yVIm+ii4XMOhyYfdgH6btY2ab5QFKMrpP60csHE8?= =?us-ascii?Q?/6N8yu2RWafI1e3vBcq4ps3xSl1xGXgBBiGTbdrcwkrsvdSHa3tCTl6+BEMg?= =?us-ascii?Q?HB6lY1SxX9OgrPTvsliDtv+VHoIDye4UNO+ylFMf5fM77pz95UBnxmK3dHY2?= =?us-ascii?Q?UWZjYzMC1N/uiEmm4IxMYFMo1I9tl/GhVkTz9R7MDnYO2gJ6lvq6v/Z50rbg?= =?us-ascii?Q?oYNU78BgZYtxJmkXgvBYi3+shdX8155BwG1cxylw2v6/Jmv6rYO4izU1Rntn?= =?us-ascii?Q?kisFO+NROweaNdmLbr7kaDpFJ2WIgwx98F+u3SRB5MDhVVF7YNw/axcR26Ep?= =?us-ascii?Q?FMA9oS1T40dJkrDQqaMiUkcVx/+dVKCQ4lWjetqvcUPIAi14y+uGqB3mteYq?= =?us-ascii?Q?LZSO4HSOcLO9RfAMoqxN3ZlXR5Q7n+upHp+wCUioa2ELSfZjg9KFIHiH+9vG?= =?us-ascii?Q?NTCqD7hJ+fCwTPd3re0beMsKDTRBWLVcVElGjpedUScaEi9zQPWeIlZOciQn?= =?us-ascii?Q?rPJbAao5G1hZ+BzL01zu7BTcICb3GKNyInJxVrEFZO78bnDP90W36nX7j/f2?= =?us-ascii?Q?p3QbmUPxK5oaXf83wlg0TZ71nEng3j/FDfRkut5TdTuWb0ZWD3+IApwE3O+6?= =?us-ascii?Q?b9pHRrTnYM6XjSG0g0f4w4OThlOYjVsdjvZ5OP4LTTHIRGeHkaBBcSPu2cmi?= =?us-ascii?Q?48fhXGVEMbQ3WqC0vZ8aKgyPkppJZ16udl3MrxnS6j07YTD226Elxop61XZ+?= =?us-ascii?Q?oQNfoYMOybs8+dlhNeB9bxjfIkc8Pv3AcDRjjO882/2KFEtoKzDibJkDaEmr?= =?us-ascii?Q?1ksHqh2LT4bxlMlyEwhmF9F6G/+oXw6GwYXJ7aYbSo+oDBmgMExPB28wJHTD?= =?us-ascii?Q?rigW7kUtLpt6aZ712L/soXd23+pLWzh+/hTT+OlLXk+yQQKnM+S9+OcVoBhb?= =?us-ascii?Q?WwrTmGySCm5ukbtJUqZoKMthxpwhisGyBeJZfScD/+/D8MyWLHyHQqHJj7NG?= =?us-ascii?Q?8Ja6YFW1LguwkIuW8JKRI1ww4R6wgwJByW0XYKhQQerGLM88vuniywVaHCvk?= =?us-ascii?Q?JHIW5rZHpQyKeQlRDZdM0c0FA1uQ2mDwDvmDnqaW?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 17bd7b03-c069-4bfb-ec89-08dd93c779b0 X-MS-Exchange-CrossTenant-AuthSource: IA0PR12MB8422.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 May 2025 15:45:10.7454 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: B5RYHOkDwV3ol8Ffh2hAVU3uz6YT1mYi65COqwDpVIg95LvrA60tMkuWQj+MMjYCw+ICIMwO/kkeHNJAPp2YTw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS2PR12MB9662 On Thu, May 15, 2025 at 04:45:52PM +0200, Takashi Iwai wrote: > On Thu, 15 May 2025 15:31:46 +0200, > Daniel Dadap wrote: > > > > Some systems expose HD-Audio controllers via objects in the ACPI tables > > which encapsulate the controller's interrupt and the base address for the > > HDA registers in an ACPI _CRS object, for example, as listed in this ACPI > > table dump excerpt: > > > > Device (HDA0) > > { > > Name (_HID, "NVDA2014") // _HID: Hardware ID > > ... > > Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings > > { > > Memory32Fixed (ReadWrite, > > 0x36078000, // Address Base > > 0x00008000, // Address Length > > ) > > Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, ) > > { > > 0x0000021E, > > } > > }) > > } > > > > Add support for HDA controllers discovered through ACPI, including support > > for some platforms which expose such HDA controllers on NVIDIA SoCs. This > > is done with a new driver which uses existing infrastructure for extracting > > resource information from _CRS objects and plumbs the parsed resource > > information through to the existing HDA infrastructure to enable HD-Audio > > functionality on such devices. > > > > Although this driver is in the sound/pci/hda/ directory, it targets devices > > which are not actually enumerated on the PCI bus. This is because it depends > > upon the Intel "Azalia" infrastructure which has traditionally been used for > > PCI-based devices. > > > > Signed-off-by: Daniel Dadap > > Thanks for the patch. > The code looks fine. Just a nitpicking: > > > +static int __maybe_unused hda_acpi_suspend(struct device *dev) > .... > > +static int __maybe_unused hda_acpi_resume(struct device *dev) > > The __maybe_unused is superfluous when you set up > SYSTEM_SLEEP_PM_OPS() macro instead in the below: > > > +static const struct dev_pm_ops hda_acpi_pm = { > > + SET_SYSTEM_SLEEP_PM_OPS(hda_acpi_suspend, hda_acpi_resume) > Thanks, I'll send an updated patch. The hda_tegra driver has these as well so I presume it can be cleaned up from that driver as well? > > thanks, > > Takashi