From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BAA4EC2BA19 for ; Wed, 15 Apr 2020 19:14:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9ED9D20771 for ; Wed, 15 Apr 2020 19:14:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2441722AbgDOTOh (ORCPT ); Wed, 15 Apr 2020 15:14:37 -0400 Received: from baldur.buserror.net ([165.227.176.147]:35596 "EHLO baldur.buserror.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1416885AbgDOS4E (ORCPT ); Wed, 15 Apr 2020 14:56:04 -0400 Received: from [2601:449:8480:af0:12bf:48ff:fe84:c9a0] by baldur.buserror.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1jOnAT-0006xw-Sc; Wed, 15 Apr 2020 13:53:50 -0500 Message-ID: <36961f9d8c533d8b576043a2c6fc4859accfd9f1.camel@buserror.net> From: Scott Wood To: Wang Wenhu , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, christophe.leroy@c-s.fr, linuxppc-dev@lists.ozlabs.org Cc: kernel@vivo.com, Michael Ellerman Date: Wed, 15 Apr 2020 13:53:48 -0500 In-Reply-To: <20200415152442.122873-2-wenhu.wang@vivo.com> References: <20200415124929.GA3265842@kroah.com> <20200415152442.122873-1-wenhu.wang@vivo.com> <20200415152442.122873-2-wenhu.wang@vivo.com> Organization: Red Hat Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 2601:449:8480:af0:12bf:48ff:fe84:c9a0 X-SA-Exim-Rcpt-To: wenhu.wang@vivo.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, christophe.leroy@c-s.fr, linuxppc-dev@lists.ozlabs.org, kernel@vivo.com, mpe@ellerman.id.au X-SA-Exim-Mail-From: oss@buserror.net Subject: Re: [PATCH v2,1/5] powerpc: 85xx: make FSL_85XX_CACHE_SRAM configurable X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on baldur.buserror.net) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2020-04-15 at 08:24 -0700, Wang Wenhu wrote: > Enable FSL_85XX_CACHE_SRAM selection. On e500 platforms, the cache > could be configured and used as a piece of SRAM which is hignly > friendly for some user level application performances. > > Cc: Greg Kroah-Hartman > Cc: Christophe Leroy > Cc: Scott Wood > Cc: Michael Ellerman > Cc: linuxppc-dev@lists.ozlabs.org > Signed-off-by: Wang Wenhu > --- > Changes since v1: > * None > --- > arch/powerpc/platforms/85xx/Kconfig | 2 +- > arch/powerpc/platforms/Kconfig.cputype | 5 +++-- > 2 files changed, 4 insertions(+), 3 deletions(-) > > diff --git a/arch/powerpc/platforms/85xx/Kconfig > b/arch/powerpc/platforms/85xx/Kconfig > index fa3d29dcb57e..6debb4f1b9cc 100644 > --- a/arch/powerpc/platforms/85xx/Kconfig > +++ b/arch/powerpc/platforms/85xx/Kconfig > @@ -17,7 +17,7 @@ if FSL_SOC_BOOKE > if PPC32 > > config FSL_85XX_CACHE_SRAM > - bool > + bool "Freescale 85xx Cache-Sram" > select PPC_LIB_RHEAP > help > When selected, this option enables cache-sram support NACK As discussed before, the driver that uses this API should "select" this symbol. -Scott