diff mbox series

[v4,01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip

Message ID 20201223153925.73742-2-Jerome.Pouiller@silabs.com
State Superseded
Headers show
Series wfx: get out from the staging area | expand

Commit Message

Jérôme Pouiller Dec. 23, 2020, 3:39 p.m. UTC 
From: Jérôme Pouiller <jerome.pouiller@silabs.com>

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 <jerome.pouiller@silabs.com>
---
 include/linux/mmc/sdio_ids.h | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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