b43: Add Soft-MAC SDIO device support

This adds support for Soft-MAC SDIO devices to b43.
The driver still lacks some fixes for SDIO devices, so it's currently
marked as BROKEN.

Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 19 insertions, 2 deletions

diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig
index 83e38134accb..4fc2ce429c72 100644
--- a/drivers/net/wireless/b43/Kconfig
+++ b/drivers/net/wireless/b43/Kconfig
@@ -61,11 +61,28 @@ config B43_PCMCIA
 
           If unsure, say N.
 
+config B43_SDIO
+        bool "Broadcom 43xx SDIO device support (EXPERIMENTAL)"
+        depends on B43 && SSB_SDIOHOST_POSSIBLE && EXPERIMENTAL && BROKEN
+        select SSB_SDIOHOST
+        ---help---
+          Broadcom 43xx device support for Soft-MAC SDIO devices.
+
+          With this config option you can drive Soft-MAC b43 cards with a
+          Secure Digital I/O interface.
+          This includes the WLAN daughter card found on the Nintendo Wii
+          video game console.
+          Note that this does not support Broadcom 43xx Full-MAC devices.
+
+          It's safe to select Y here, even if you don't have a B43 SDIO device.
+
+          If unsure, say N.
+
 # Data transfers to the device via PIO
-# This is only needed on PCMCIA devices. All others can do DMA properly.
+# This is only needed on PCMCIA and SDIO devices. All others can do DMA properly.
 config B43_PIO
         bool
-        depends on B43 && (B43_PCMCIA || B43_FORCE_PIO)
+        depends on B43 && (B43_SDIO || B43_PCMCIA || B43_FORCE_PIO)
         select SSB_BLOCKIO
         default y