diff mbox series

[v2,01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip

Message ID 20201020125817.1632995-2-Jerome.Pouiller@silabs.com
State Superseded
Headers show
Series wfx: get out from the staging area | expand

Commit Message

Jérôme Pouiller Oct. 20, 2020, 12:57 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 | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Pali Rohár Oct. 21, 2020, 10:30 p.m. UTC | #1
On Tuesday 20 October 2020 14:57:54 Jerome Pouiller wrote:
> 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>


Looks good!

Acked-by: Pali Rohár <pali@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

>  

> -- 

> 2.28.0

>
diff mbox series

Patch

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