From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753173AbdKWR2R (ORCPT ); Thu, 23 Nov 2017 12:28:17 -0500 Received: from smtprelay2.synopsys.com ([198.182.60.111]:58584 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753011AbdKWR2Q (ORCPT ); Thu, 23 Nov 2017 12:28:16 -0500 From: Alexey Brodkin To: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Vineet Gupta , Alexey Brodkin Subject: [PATCH] ARC: Reverse logic of enabled dual-issue detection Date: Thu, 23 Nov 2017 13:21:55 +0300 Message-Id: <20171123102155.40447-1-abrodkin@synopsys.com> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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: Alexey Brodkin --- arch/arc/kernel/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index fb83844daeea..3411b2da164c 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -200,7 +200,7 @@ static void read_arc_build_cfg_regs(void) READ_BCR(AUX_EXEC_CTRL, exec_ctrl); cpu->extn.dual_iss_exist = 1; - cpu->extn.dual_iss_enb = exec_ctrl & 1; + cpu->extn.dual_iss_enb = !(exec_ctrl & 1); } } -- 2.11.0