open() has been extended.  You can now open block drivers and access them just as you can character drivers.  For example, you can hexdump a block device.

RTC: Fix system time initialization when using an exernal RTC.  Fix some bugs in the DS1307/DS3231 RTC driver

drivers/mtd/smart.c  Fixed SmartFS wear level error that occurs when the logical sector size is too small to save all wear level status bytes in a single sector.  Logical sectors 1 and 2 were simply not being allocated and then the read_sector and write_sector routines were failing.  From Ken Petit

stdio: Define BUFSIZ

stdlib: Fix forgotten FARs

atoi(): Cast return value to int