char: xilinx_hwicap: Fix warnings in the driver

This patch fixes the below warning
        --> Use #include <linux/io.h> instead of <asm/io.h>
        --> Use #include <linux/uaccess.h> instead of <asm/uaccess.h>
        --> please, no space before tabs
        --> Block comments use a trailing */ on a separate line
        --> Possible unnecessary 'out of memory' message
        --> Block comments use * on subsequent lines
        --> Block comments use a trailing */ on a separate line
        --> braces {} are not necessary for any arm of this statement
        --> DT compatible string "xlnx,opb-hwicap-1.00.b"
	    appears un-documented
        --> DT compatible string "xlnx,xps-hwicap-1.00.a"
            appears un-documented

Signed-off-by: Nava kishore Manne <navam@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/xilinx.txt b/Documentation/devicetree/bindings/xilinx.txt
index 299d0923537b..1d11b9002ef8 100644
--- a/Documentation/devicetree/bindings/xilinx.txt
+++ b/Documentation/devicetree/bindings/xilinx.txt
@@ -281,6 +281,8 @@
                       capabilities of the underlying ICAP hardware
                       differ between different families.  May be
                       'virtex2p', 'virtex4', or 'virtex5'.
+		- compatible : should contain "xlnx,xps-hwicap-1.00.a" or
+				"xlnx,opb-hwicap-1.00.b".
 
       vi) Xilinx Uart 16550