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Commit 329b4130 authored by Alexey Brodkin's avatar Alexey Brodkin Committed by Vineet Gupta
Browse files

ARC: Fix detection of dual-issue enabled 



As per PRM bit #0 ("D") in EXEC_CTRL enables dual-issue if set to 0,
otherwise if set to 1 all instructions are executed one at a time,
i.e. dual-issue is disabled.

Signed-off-by: default avatarAlexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 4fbd8d19

arch/arc/kernel/setup.c

+1 −1
Original line number Diff line number Diff line
@@ -199,7 +199,7 @@ static void read_arc_build_cfg_regs(void) 
			unsigned int exec_ctrl;



			READ_BCR(AUX_EXEC_CTRL, exec_ctrl);

			cpu->extn.dual_enb = exec_ctrl & 1;

			cpu->extn.dual_enb = !(exec_ctrl & 1);



			/* dual issue always present for this core */

			cpu->extn.dual = 1;