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Date:   Tue,  5 Oct 2021 15:53:37 +0200
From:   Jerome Pouiller <>
        Kalle Valo <>
        Greg Kroah-Hartman <>,
        "David S . Miller" <>,, Rob Herring <>,,
        Pali Rohár <>,
        Ulf Hansson <>,
        Jérôme Pouiller 
Subject: [PATCH v8 01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip

From: Jérôme Pouiller <>

Add Silabs SDIO ID to sdio_ids.h.

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 a85c9f0bd470..483692f3002a 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

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