1. 359919a gpio: stm32: add stm32f1 support by Matt Porter · Tue May 05 15:00:25 2015 -0400
  2. 3e59f9e gpio: stm32_gpio: Use clrsetbits_le32() at appropriate places by Axel Lin · Sun Apr 26 10:32:36 2015 +0800
  3. fec465a ARMv7M: Add STM32F4 support by rev13@wp.pl · Sun Mar 01 12:44:40 2015 +0100