ssb: Add support for block-I/O

This adds support for block based I/O to SSB.
This is needed in order to efficiently support PIO data
transfers to the card.
The block-I/O support is only compiled, if it's selected by the
weird driver that needs it. So there's no overhead for sane devices.

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

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig
index 0f7cce2560d1..cd845b8acd17 100644
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -24,6 +24,11 @@ config SSB
 config SSB_SPROM
         bool
 
+# Support for Block-I/O. SELECT this from the driver that needs it.
+config SSB_BLOCKIO
+        bool
+        depends on SSB
+
 config SSB_PCIHOST_POSSIBLE
         bool
         depends on SSB && (PCI = y || PCI = SSB)