| Message ID | 20201104155207.128076-2-Jerome.Pouiller@silabs.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v3,01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip | expand |
Jerome Pouiller <Jerome.Pouiller@silabs.com> writes: > 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 | 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. C++ comments?
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