tree 471ec62908587989358c5f31758f8a1f05da20fc
parent 0113c3e1fef74788d345129184c1569fe35997f0
author Marek Vasut <marex@denx.de> 1437245068 +0200
committer Marek Vasut <marex@denx.de> 1439036062 +0200

ddr: altera: Clean up rw_mgr_mem_calibrate_vfifo_center() part 10

Fix the return value of the function to match common convention
where 0 means success and negative means error. Fix the return
values in case of an error to use errno.h codes.

Signed-off-by: Marek Vasut <marex@denx.de>