Blackfin: dpmc: omit RETE/RETN when hibernating



The RETE/RETN registers are only used in emulation(JTAG) and NMI nodes,
or as scratch registers, neither of which need to be saved/restored as
this code doesn't execute at those core event levels.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

parent 4705a25c

arch/blackfin/mach-common/dpmc_modes.S

+0 −4

Original line number	Diff line number	Diff line
		@@ -510,8 +510,6 @@ ENTRY(_do_hibernate)
		r0 = RETI;
		[--sp] = r0;
		[--sp] = RETX;
		[--sp] = RETN;
		[--sp] = RETE;
		[--sp] = SEQSTAT;

		/* Save Magic, return address and Stack Pointer */
		@@ -533,8 +531,6 @@ ENTRY(_do_hibernate)

		/* Restore Core Registers */
		SEQSTAT = [sp++];
		RETE = [sp++];
		RETN = [sp++];
		RETX = [sp++];
		r0 = [sp++];
		RETI = r0;