From patchwork Tue Oct 30 11:24:55 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 1669821 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id BCA3E3FDDA for ; Tue, 30 Oct 2012 11:27:42 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TT9wQ-0007E6-ML; Tue, 30 Oct 2012 11:25:06 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TT9wL-0007Bn-8M for linux-arm-kernel@lists.infradead.org; Tue, 30 Oct 2012 11:25:03 +0000 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id q9UBP0bw001442; Tue, 30 Oct 2012 06:25:00 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q9UBP0Yo012481; Tue, 30 Oct 2012 06:25:00 -0500 Received: from dlelxv22.itg.ti.com (172.17.1.197) by dfle72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.1.323.3; Tue, 30 Oct 2012 06:24:59 -0500 Received: from barack.emea.dhcp.ti.com (barack.emea.dhcp.ti.com [137.167.125.64]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id q9UBOvEh013645; Tue, 30 Oct 2012 06:24:58 -0500 From: Peter Ujfalusi To: Tony Lindgren , Benoit Cousson , Paul Walmsley Subject: [PATCH v2 1/2] ARM: OMAP: hwmod: Add possibility to count hwmod resources based on type Date: Tue, 30 Oct 2012 12:24:55 +0100 Message-ID: <1351596296-13825-2-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 1.7.12.4 In-Reply-To: <1351596296-13825-1-git-send-email-peter.ujfalusi@ti.com> References: <1351596296-13825-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -7.6 (-------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-7.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [192.94.94.40 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org 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: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add flags parameter for omap_hwmod_count_resources() so users can tell which type of resources they are interested when counting them in hwmod database. Signed-off-by: Peter Ujfalusi --- arch/arm/mach-omap2/omap_hwmod.c | 27 ++++++++++++++++----------- arch/arm/plat-omap/include/plat/omap_hwmod.h | 2 +- arch/arm/plat-omap/omap_device.c | 11 ++++++++--- 3 files changed, 25 insertions(+), 15 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index b969ab1..a79c941 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -3337,7 +3337,7 @@ int omap_hwmod_reset(struct omap_hwmod *oh) /** * omap_hwmod_count_resources - count number of struct resources needed by hwmod * @oh: struct omap_hwmod * - * @res: pointer to the first element of an array of struct resource to fill + * @flags: Type of resources to include when counting (IRQ/DMA/MEM) * * Count the number of struct resource array elements necessary to * contain omap_hwmod @oh resources. Intended to be called by code @@ -3350,20 +3350,25 @@ int omap_hwmod_reset(struct omap_hwmod *oh) * resource IDs. * */ -int omap_hwmod_count_resources(struct omap_hwmod *oh) +int omap_hwmod_count_resources(struct omap_hwmod *oh, unsigned long flags) { - struct omap_hwmod_ocp_if *os; - struct list_head *p; - int ret; - int i = 0; + int ret = 0; - ret = _count_mpu_irqs(oh) + _count_sdma_reqs(oh); + if (flags & IORESOURCE_IRQ) + ret += _count_mpu_irqs(oh); - p = oh->slave_ports.next; + if (flags & IORESOURCE_DMA) + ret += _count_sdma_reqs(oh); - while (i < oh->slaves_cnt) { - os = _fetch_next_ocp_if(&p, &i); - ret += _count_ocp_if_addr_spaces(os); + if (flags & IORESOURCE_MEM) { + int i = 0; + struct omap_hwmod_ocp_if *os; + struct list_head *p = oh->slave_ports.next; + + while (i < oh->slaves_cnt) { + os = _fetch_next_ocp_if(&p, &i); + ret += _count_ocp_if_addr_spaces(os); + } } return ret; diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index b3349f7..48a6f5d 100644 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h @@ -628,7 +628,7 @@ void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs); u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs); int omap_hwmod_softreset(struct omap_hwmod *oh); -int omap_hwmod_count_resources(struct omap_hwmod *oh); +int omap_hwmod_count_resources(struct omap_hwmod *oh, unsigned long flags); int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res); int omap_hwmod_fill_dma_resources(struct omap_hwmod *oh, struct resource *res); int omap_hwmod_get_resource_byname(struct omap_hwmod *oh, unsigned int type, diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 7a7d1f2..915cf68 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -442,19 +442,21 @@ int omap_device_get_context_loss_count(struct platform_device *pdev) /** * omap_device_count_resources - count number of struct resource entries needed * @od: struct omap_device * + * @flags: Type of resources to include when counting (IRQ/DMA/MEM) * * Count the number of struct resource entries needed for this * omap_device @od. Used by omap_device_build_ss() to determine how * much memory to allocate before calling * omap_device_fill_resources(). Returns the count. */ -static int omap_device_count_resources(struct omap_device *od) +static int omap_device_count_resources(struct omap_device *od, + unsigned long flags) { int c = 0; int i; for (i = 0; i < od->hwmods_cnt; i++) - c += omap_hwmod_count_resources(od->hwmods[i]); + c += omap_hwmod_count_resources(od->hwmods[i], flags); pr_debug("omap_device: %s: counted %d total resources across %d hwmods\n", od->pdev->name, c, od->hwmods_cnt); @@ -558,7 +560,10 @@ struct omap_device *omap_device_alloc(struct platform_device *pdev, od->hwmods = hwmods; od->pdev = pdev; - res_count = omap_device_count_resources(od); + /* Count all resources for the device */ + res_count = omap_device_count_resources(od, IORESOURCE_IRQ | + IORESOURCE_DMA | + IORESOURCE_MEM); /* * DT Boot: * OF framework will construct the resource structure (currently