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Miller" , devicetree@vger.kernel.org, Rob Herring , linux-mmc@vger.kernel.org, =?utf-8?q?Pali_Roh=C3=A1r?= , Ulf Hansson , =?utf-8?b?SsOpcsO0bWUg?= =?utf-8?q?Pouiller?= Subject: [PATCH v5 01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip Date: Mon, 15 Mar 2021 14:24:38 +0100 Message-Id: <20210315132501.441681-2-Jerome.Pouiller@silabs.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315132501.441681-1-Jerome.Pouiller@silabs.com> References: <20210315132501.441681-1-Jerome.Pouiller@silabs.com> X-Originating-IP: [2a01:e35:2435:66a0:544b:f17b:7ae8:fb7] X-ClientProxiedBy: SN4PR0801CA0014.namprd08.prod.outlook.com (2603:10b6:803:29::24) To SN6PR11MB2718.namprd11.prod.outlook.com (2603:10b6:805:63::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pc-42.silabs.com (2a01:e35:2435:66a0:544b:f17b:7ae8:fb7) by SN4PR0801CA0014.namprd08.prod.outlook.com (2603:10b6:803:29::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3933.32 via Frontend Transport; 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Note that the values used by Silabs are uncommon. A driver cannot fully rely on the SDIO PnP. It should also check if the device is declared in the DT. Signed-off-by: Jérôme Pouiller --- include/linux/mmc/sdio_ids.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h index 12036619346c..734918fbf164 100644 --- a/include/linux/mmc/sdio_ids.h +++ b/include/linux/mmc/sdio_ids.h @@ -25,6 +25,13 @@ * Vendors and devices. Sort key: vendor first, device next. */ +/* + * Silabs does not use a reliable vendor ID. To avoid conflicts, the driver + * won't probe the device if it is not also declared in the DT. + */ +#define SDIO_VENDOR_ID_SILABS 0x0000 +#define SDIO_DEVICE_ID_SILABS_WF200 0x1000 + #define SDIO_VENDOR_ID_STE 0x0020 #define SDIO_DEVICE_ID_STE_CW1200 0x2280