tree 4dd4f4f5cb43c520464070a8a3188691f652fab9
parent d0307beeef57b9db06b82f1ffba746c5decb0b72
author Arpad Horvath <secracon@gmail.com> 1392424947 -0800
committer JP Abgrall <jpa@google.com> 1392425427 -0800

sdcard: direct I/O file access fix

If a file is opened in direct I/O mode (with O_DIRECT flag),
the read buffer addess must be aligned to memory page size
boundary. The Direct I/O is not needed for normal files,
however, some special hardware access (e.g. smart SD cards)
will not work without it.

Change-Id: I42babeee86dba1880fd23e2592fddd7060da3e20