goldfish_nand.c: remove length restrictions

Remove limitations on the size of a read / write request.
AFAIK, there's no consequence to allowing the upper layers
to specify different read / write sizes.

This is needed to support running ext4 on goldfish.

Bug: https://code.google.com/p/android/issues/detail?id=38561

Signed-off-by: Nick Kralevich <nnk@google.com>
Signed-off-by: Jun Tian <jun.j.tian@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nick Kralevich 2014-05-12 16:55:16 +01:00 committed by Greg Kroah-Hartman
parent f10d843420
commit ec5e34c074
1 changed files with 0 additions and 4 deletions

View File

@ -202,8 +202,6 @@ static int goldfish_nand_read(struct mtd_info *mtd, loff_t from, size_t len,
if (from + len > mtd->size)
goto invalid_arg;
if (len != mtd->writesize)
goto invalid_arg;
rem = do_div(from, mtd->writesize);
if (rem)
@ -226,8 +224,6 @@ static int goldfish_nand_write(struct mtd_info *mtd, loff_t to, size_t len,
if (to + len > mtd->size)
goto invalid_arg;
if (len != mtd->writesize)
goto invalid_arg;
rem = do_div(to, mtd->writesize);
if (rem)