tree ed413a80308ac6698adb2721d055abab31b1cd32
parent da3c42a561f2f91debc5c1f85813e78b74cf232d
author Greg Hackmann <ghackmann@google.com> 1433800603 -0700
committer Greg Hackmann <ghackmann@google.com> 1433806178 -0700

plat_stm32f4: exti: add chained ISRs

Many EXTI interrupts are shared among peripherals, so the corresponding
ISRs need to be chained.  The chained handlers can use
extiIsPendingGpio() to check whether the interrupt is intended for them.

Change-Id: Ie1c8035c66c4a3517228b8c6109c7fc230937741
Signed-off-by: Greg Hackmann <ghackmann@google.com>