sata highbank: add bit-banged SGPIO driver support
Highbank supports SGPIO by bit-banging out the SGPIO signals over
three GPIO pins defined in the DTB. Add support for this SGPIO
functionality.
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 05adf29..adfb2df 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -322,6 +322,7 @@
u32 em_buf_sz; /* EM buffer size in byte */
u32 em_msg_type; /* EM message type */
struct clk *clk; /* Only for platforms supporting clk */
+ void *plat_data; /* Other platform data */
};
extern int ahci_ignore_sss;