Commit 1ae65a39 authored Jun 27, 2016 by Satya Durga Srinivasu Prabhala Committed by Kyle Yan Jul 05, 2016

drivers: GICv3: remove isb() from IAR read function



As per the GICv3 requirement, ISB or other context synchronization
operation is needed only during System register writes.

CRs-Fixed: 1035275
Change-Id: Ifbe4d974a295b90a511aa10bde5797a1f71972fc
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>

parent bf33a59c

arch/arm64/include/asm/arch_gicv3.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -104,7 +104,6 @@ static inline u64 gic_read_iar_common(void)

		asm volatile("mrs_s %0, " __stringify(ICC_IAR1_EL1) : "=r" (irqstat));
		/* As per the architecture specification */
		isb();
		mb();
		return irqstat;
		}