[PATCH v2 01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip
pali at kernel.org
Wed Oct 21 22:30:20 UTC 2020
On Tuesday 20 October 2020 14:57:54 Jerome Pouiller wrote:
> From: Jérôme Pouiller <jerome.pouiller at 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 at silabs.com>
Acked-by: Pali Rohár <pali at kernel.org>
> include/linux/mmc/sdio_ids.h | 5 +++++
> 1 file changed, 5 insertions(+)
> diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h
> index 12036619346c..20a48162f7fc 100644
> --- a/include/linux/mmc/sdio_ids.h
> +++ b/include/linux/mmc/sdio_ids.h
> @@ -25,6 +25,11 @@
> * 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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