From patchwork Wed Aug 8 15:05:01 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gregory CLEMENT X-Patchwork-Id: 1416091 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 71E20DFFCF for ; Thu, 6 Sep 2012 15:29:55 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1T9dv9-000290-0W; Thu, 06 Sep 2012 15:23:07 +0000 Received: from mail.free-electrons.com ([88.190.12.23]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Sz7pS-0003vi-Lq for linux-arm-kernel@lists.infradead.org; Wed, 08 Aug 2012 15:05:47 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id 867E62FA; Wed, 8 Aug 2012 17:05:21 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 shortcircuit=no autolearn=ham version=3.3.1 Received: from localhost (tra42-5-83-152-246-54.fbx.proxad.net [83.152.246.54]) by mail.free-electrons.com (Postfix) with ESMTPSA id 47B3AD1; Wed, 8 Aug 2012 17:05:10 +0200 (CEST) From: Gregory CLEMENT To: Gregory Clement , Russell King , linux-arm-kernel@lists.infradead.org Subject: [RFC 1/6] arm: cache-l2x0: make outer_cache_fns a field of l2x0_of_data Date: Wed, 8 Aug 2012 17:05:01 +0200 Message-Id: <1344438307-8468-2-git-send-email-gregory.clement@free-electrons.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1344438307-8468-1-git-send-email-gregory.clement@free-electrons.com> References: <1344438307-8468-1-git-send-email-gregory.clement@free-electrons.com> X-Bad-Reply: References and In-Reply-To but no 'Re:' in Subject. X-Spam-Note: CRM114 invocation failed X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Mailman-Approved-At: Thu, 06 Sep 2012 10:43:32 -0400 Cc: Lior Amsalem , Andrew Lunn , Ike Pan , Albert Stone , Will Deacon , Nadav Haklai , Ian Molton , David Marlin , Yehuda Yitschak , Jani Monoses , Tawfik Bayouk , Dan Frazier , Barry Song <21cnbao@gmail.com>, Eran Ben-Avi , Li Li , Santosh Shilimkar , Leif Lindholm , Jason Cooper , Arnd Bergmann , Jon Masters , Rob Herring , Ben Dooks , Thomas Petazzoni , Chris Van Hoof , Nicolas Pitre , Maen Suleiman , Shadi Ammouri , Olof Johansson , Eric Miao X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Instead of having multiple functions belonging to outer_cache and filling this structure on the fly, use a outer_cache_fns field inside l2x0_of_data and just memcopy it into outer_cache depending of the type of the l2x0 cache. For non DT case, the former code was kept. Signed-off-by: Gregory CLEMENT Cc: Barry Song <21cnbao@gmail.com> Cc: Will Deacon Cc: Santosh Shilimkar Cc: Rob Herring Cc: Arnd Bergmann Cc: Olof Johansson --- arch/arm/mm/cache-l2x0.c | 38 ++++++++++++++++++++++++++++++-------- 1 file changed, 30 insertions(+), 8 deletions(-) diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 2a8e380..3591940 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -39,7 +39,7 @@ struct l2x0_regs l2x0_saved_regs; struct l2x0_of_data { void (*setup)(const struct device_node *, u32 *, u32 *); void (*save)(void); - void (*resume)(void); + struct outer_cache_fns outer_cache; }; static inline void cache_wait_way(void __iomem *reg, unsigned long mask) @@ -376,6 +376,7 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) writel_relaxed(1, l2x0_base + L2X0_CTRL); } +#ifndef CONFIG_OF outer_cache.inv_range = l2x0_inv_range; outer_cache.clean_range = l2x0_clean_range; outer_cache.flush_range = l2x0_flush_range; @@ -383,6 +384,7 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask) outer_cache.flush_all = l2x0_flush_all; outer_cache.inv_all = l2x0_inv_all; outer_cache.disable = l2x0_disable; +#endif printk(KERN_INFO "%s cache controller enabled\n", type); printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n", @@ -533,15 +535,34 @@ static void pl310_resume(void) } static const struct l2x0_of_data pl310_data = { - pl310_of_setup, - pl310_save, - pl310_resume, + .setup = pl310_of_setup, + .save = pl310_save, + .outer_cache = { + .resume = pl310_resume, + .inv_range = l2x0_inv_range, + .clean_range = l2x0_clean_range, + .flush_range = l2x0_flush_range, + .sync = l2x0_cache_sync, + .flush_all = l2x0_flush_all, + .inv_all = l2x0_inv_all, + .disable = l2x0_disable, + .set_debug = pl310_set_debug, + }, }; static const struct l2x0_of_data l2x0_data = { - l2x0_of_setup, - NULL, - l2x0_resume, + .setup = l2x0_of_setup, + .save = NULL, + .outer_cache = { + .resume = l2x0_resume, + .inv_range = l2x0_inv_range, + .clean_range = l2x0_clean_range, + .flush_range = l2x0_flush_range, + .sync = l2x0_cache_sync, + .flush_all = l2x0_flush_all, + .inv_all = l2x0_inv_all, + .disable = l2x0_disable, + }, }; static const struct of_device_id l2x0_ids[] __initconst = { @@ -583,7 +604,8 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask) l2x0_init(l2x0_base, aux_val, aux_mask); - outer_cache.resume = data->resume; + memcpy(&outer_cache, &data->outer_cache, sizeof(outer_cache)); + return 0; } #endif