From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751014AbaETVC7 (ORCPT ); Tue, 20 May 2014 17:02:59 -0400 Received: from cpsmtpb-ews04.kpnxchange.com ([213.75.39.7]:61930 "EHLO cpsmtpb-ews04.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750699AbaETVC6 (ORCPT ); Tue, 20 May 2014 17:02:58 -0400 Message-ID: <1400619776.4912.71.camel@x220> Subject: [PATCH] powerpc: remove check for CONFIG_SERIAL_TEXT_DEBUG From: Paul Bolle To: Benjamin Herrenschmidt , Paul Mackerras Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Date: Tue, 20 May 2014 23:02:56 +0200 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4 (3.10.4-2.fc20) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 20 May 2014 21:02:57.0169 (UTC) FILETIME=[E0146010:01CF746E] X-RcptDomain: vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Kconfig symbol SERIAL_TEXT_DEBUG was removed from arch/powerpc/Kconfig.debug in v2.6.22. (In v2.6.27 it was also removed from arch/ppc/Kconfig.debug.) So the check for its macro has evaluated to false for over five years now. Remove that check and the few lines of code hidden behind it. Signed-off-by: Paul Bolle --- Untested. arch/powerpc/kernel/head_40x.S | 19 ------------------- 1 file changed, 19 deletions(-) diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S index 67ee0d6c1070..7d7d8635227a 100644 --- a/arch/powerpc/kernel/head_40x.S +++ b/arch/powerpc/kernel/head_40x.S @@ -930,25 +930,6 @@ initial_mmu: tlbwe r4,r0,TLB_DATA /* Load the data portion of the entry */ tlbwe r3,r0,TLB_TAG /* Load the tag portion of the entry */ -#if defined(CONFIG_SERIAL_TEXT_DEBUG) && defined(SERIAL_DEBUG_IO_BASE) - - /* Load a TLB entry for the UART, so that ppc4xx_progress() can use - * the UARTs nice and early. We use a 4k real==virtual mapping. */ - - lis r3,SERIAL_DEBUG_IO_BASE@h - ori r3,r3,SERIAL_DEBUG_IO_BASE@l - mr r4,r3 - clrrwi r4,r4,12 - ori r4,r4,(TLB_WR|TLB_I|TLB_M|TLB_G) - - clrrwi r3,r3,12 - ori r3,r3,(TLB_VALID | TLB_PAGESZ(PAGESZ_4K)) - - li r0,0 /* TLB slot 0 */ - tlbwe r4,r0,TLB_DATA - tlbwe r3,r0,TLB_TAG -#endif /* CONFIG_SERIAL_DEBUG_TEXT && SERIAL_DEBUG_IO_BASE */ - isync /* Establish the exception vector base -- 1.9.0