[GIT PULL] GPIO fixes for the v3.19 series

Hi Linus, here is a set of fixes that mainly appeared when Johan Hovold started exercising the removal path of the GPIO library, dealing with hotplugging of GPIO controllers. Please pull it in! Yours, Linus Walleij The following changes since commit eaa27f34e91a14cdceed26ed6c6793ec1d186115:

[GIT PULL] GPIO fixes for the v3.19 series

Hi Linus, here are some GPIO fixes, mainly affecting the DLN2 IRQ handling. Nothing special about them, just fixes. Please pull them in! Yours, Linus Walleij The following changes since commit b7392d2247cfe6771f95d256374f1a8e6a6f48d6: Linux 3.19-rc2 (2014-12-28 16:49:37 -0800) are available