From patchwork Fri Aug 6 15:57:50 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kalliguddi, Hema" X-Patchwork-Id: 117857 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o76Fw3HJ020702 for ; Fri, 6 Aug 2010 15:58:03 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761556Ab0HFP6A (ORCPT ); Fri, 6 Aug 2010 11:58:00 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:60977 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761498Ab0HFP57 (ORCPT ); Fri, 6 Aug 2010 11:57:59 -0400 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id o76FvpJn018064 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 6 Aug 2010 10:57:54 -0500 Received: from linfarm476.india.ti.com (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id o76FvoZN005425; Fri, 6 Aug 2010 21:27:51 +0530 (IST) Received: from linfarm476.india.ti.com (localhost [127.0.0.1]) by linfarm476.india.ti.com (8.12.11/8.12.11) with ESMTP id o76Fvo7E004228; Fri, 6 Aug 2010 21:27:50 +0530 Received: (from a0876481@localhost) by linfarm476.india.ti.com (8.12.11/8.12.11/Submit) id o76FvoKa004226; Fri, 6 Aug 2010 21:27:50 +0530 From: Hema HK To: linux-usb@vger.kernel.org, linux-omap@vger.kernel.org Cc: Hema HK , Felipe Balbi , Tony Lindgren , Kevin Hilman Subject: [PATCH V2 4/8]usb : musb:Using omap_device_build for musb device registration Date: Fri, 6 Aug 2010 21:27:50 +0530 Message-Id: <1281110270-4185-1-git-send-email-hemahk@ti.com> X-Mailer: git-send-email 1.5.6.6 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Fri, 06 Aug 2010 15:58:04 +0000 (UTC) Index: linux-omap-pm/arch/arm/mach-omap2/usb-musb.c =================================================================== --- linux-omap-pm.orig/arch/arm/mach-omap2/usb-musb.c 2010-08-06 09:01:25.526112352 -0400 +++ linux-omap-pm/arch/arm/mach-omap2/usb-musb.c 2010-08-06 09:01:43.786112839 -0400 @@ -29,24 +29,12 @@ #include #include #include +#include #ifdef CONFIG_USB_MUSB_SOC -static struct resource musb_resources[] = { - [0] = { /* start and end set dynamically */ - .flags = IORESOURCE_MEM, - }, - [1] = { /* general IRQ */ - .start = INT_243X_HS_USB_MC, - .flags = IORESOURCE_IRQ, - .name = "mc", - }, - [2] = { /* DMA IRQ */ - .start = INT_243X_HS_USB_DMA, - .flags = IORESOURCE_IRQ, - .name = "dma", - }, -}; +static const char name[] = "musb_hdrc"; +#define MAX_OMAP_MUSB_HWMOD_NAME_LEN 16 static struct musb_hdrc_config musb_config = { .multipoint = 1, @@ -75,43 +63,61 @@ static u64 musb_dmamask = DMA_BIT_MASK(32); -static struct platform_device musb_device = { - .name = "musb_hdrc", - .id = -1, - .dev = { - .dma_mask = &musb_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &musb_plat, - }, - .num_resources = ARRAY_SIZE(musb_resources), - .resource = musb_resources, +static struct omap_device_pm_latency omap_musb_latency[] = { + { + .deactivate_func = omap_device_idle_hwmods, + .activate_func = omap_device_enable_hwmods, + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, + }, }; void __init usb_musb_init(struct omap_musb_board_data *board_data) { - if (cpu_is_omap243x()) { - musb_resources[0].start = OMAP243X_HS_BASE; - } else if (cpu_is_omap34xx()) { - musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE; - } else if (cpu_is_omap44xx()) { - musb_resources[0].start = OMAP44XX_HSUSB_OTG_BASE; - musb_resources[1].start = OMAP44XX_IRQ_HS_USB_MC_N; - musb_resources[2].start = OMAP44XX_IRQ_HS_USB_DMA_N; + char oh_name[MAX_OMAP_MUSB_HWMOD_NAME_LEN]; + struct omap_hwmod *oh; + struct omap_device *od; + struct platform_device *pdev; + struct device *dev; + int l, bus_id = -1; + struct musb_hdrc_platform_data *pdata; + + l = snprintf(oh_name, MAX_OMAP_MUSB_HWMOD_NAME_LEN, + "usb_otg_hs"); + WARN(l >= MAX_OMAP_MUSB_HWMOD_NAME_LEN, + "String buffer overflow in MUSB device setup\n"); + + oh = omap_hwmod_lookup(oh_name); + + if (!oh) { + pr_err("Could not look up %s\n", oh_name); + } else { + /* + * REVISIT: This line can be removed once all the platforms + * using musb_core.c have been converted to use use clkdev. + */ + musb_plat.clock = "ick"; + musb_plat.board_data = board_data; + musb_plat.power = board_data->power >> 1; + musb_plat.mode = board_data->mode; + pdata = &musb_plat; + + od = omap_device_build(name, bus_id, oh, pdata, + sizeof(struct musb_hdrc_platform_data), + omap_musb_latency, + ARRAY_SIZE(omap_musb_latency), false); + if (IS_ERR(od)) { + pr_err("Could not build omap_device for %s %s\n", + name, oh_name); + } else { + + pdev = &od->pdev; + dev = &pdev->dev; + get_device(dev); + dev->dma_mask = &musb_dmamask; + dev->coherent_dma_mask = musb_dmamask; + put_device(dev); + } } - musb_resources[0].end = musb_resources[0].start + SZ_4K - 1; - - /* - * REVISIT: This line can be removed once all the platforms using - * musb_core.c have been converted to use use clkdev. - */ - musb_plat.clock = "ick"; - musb_plat.board_data = board_data; - musb_plat.power = board_data->power >> 1; - musb_plat.mode = board_data->mode; - musb_plat.extvbus = board_data->extvbus; - - if (platform_device_register(&musb_device) < 0) - printk(KERN_ERR "Unable to register HS-USB (MUSB) device\n"); } #else