* fixes: (209 commits)
ARM: imx: fix error handling in ipu device registration
Linux 3.15-rc6
Btrfs: send, fix incorrect ref access when using extrefs
Btrfs: fix EIO on reading file after ioctl clone works on it
scripts/checksyscalls.sh: Make renameat optional
asm-generic: Add renameat2 syscall
ia64: add renameat2 syscall
parisc: add renameat2 syscall
m68k: add renameat2 syscall
sysfs: make sure read buffer is zeroed
ahci: imx: PLL clock needs 100us to settle down
PCI: Wrong register used to check pending traffic
ARM: OMAP4: Fix the boot regression with CPU_IDLE enabled
target: fix memory leak on XCOPY
random: fix BUG_ON caused by accounting simplification
clk: tegra: Fix wrong value written to PLLE_AUX
staging: rtl8723au: Do not reset wdev->iftype in netdev_close()
ARM: OMAP2+: Fix DMA hang after off-idle
ARM: OMAP2+: nand: Fix NAND on OMAP2 and OMAP3 boards
ACPI / video: Revert native brightness quirk for ThinkPad T530
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