Messages in this thread Patch in this message | | | From | Jerome Pouiller <> | Subject | [PATCH v4 01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip | Date | Wed, 23 Dec 2020 16:39:02 +0100 |
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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 --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 -- 2.29.2
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