Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753690AbaDYQ2L (ORCPT ); Fri, 25 Apr 2014 12:28:11 -0400 Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:59101 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751293AbaDYQ2E (ORCPT ); Fri, 25 Apr 2014 12:28:04 -0400 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 99.127.230.128 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX19GqqtIDyKQ/sQ5gBolL6Mi Date: Fri, 25 Apr 2014 09:27:59 -0700 From: Tony Lindgren To: Joel Fernandes Cc: Linux OMAP List , Linux ARM Kernel List , Linux Kernel Mailing List , Santosh Shilimkar , Russell King , Nishanth Menon Subject: Re: [PATCH v2] ARM: OMAP5: Switch to THUMB mode if needed on secondary CPU Message-ID: <20140425162758.GB20807@atomide.com> References: <1398195639-29273-1-git-send-email-joelf@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1398195639-29273-1-git-send-email-joelf@ti.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Joel Fernandes [140422 12:41]: > On my DRA7 system, when the kernel is built in Thumb-2 mode, the secondary CPU > (Cortex A15) fails to come up causing SMP boot on second CPU to timeout. This > seems to be because the CPU is in ARM mode once the ROM hands over control to > the kernel. Switch to Thumb-2 mode if required once the kernel is control of > secondary CPU. On OMAP4 on the other hand, it appears to be in Thumb-2 mode on > entry so this is not required and SMP boot works as is. > > Also corrected a spurious '+' and updated copyright information. > > Cc: Santosh Shilimkar > Cc: Russell King > Cc: Nishanth Menon > Cc: Tony Lindgren > Tested-by: Nishanth Menon > Acked-by: Santosh Shilimkar > Signed-off-by: Joel Fernandes Thanks applying into omap-for-v3.15/fixes-v2. Tony -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/