From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta12.messagelabs.com (mail6.bemta12.messagelabs.com [216.82.250.247]) by kanga.kvack.org (Postfix) with ESMTP id C785590011B for ; Tue, 5 Jul 2011 03:41:59 -0400 (EDT) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: TEXT/PLAIN Received: from eu_spt1 ([210.118.77.14]) by mailout4.w1.samsung.com (Sun Java(tm) System Messaging Server 6.3-8.04 (built Jul 29 2009; 32bit)) with ESMTP id <0LNU00GFPO1TR980@mailout4.w1.samsung.com> for linux-mm@kvack.org; Tue, 05 Jul 2011 08:41:55 +0100 (BST) Received: from linux.samsung.com ([106.116.38.10]) by spt1.w1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0LNU00GL1O1UEB@spt1.w1.samsung.com> for linux-mm@kvack.org; Tue, 05 Jul 2011 08:41:54 +0100 (BST) Date: Tue, 05 Jul 2011 09:41:50 +0200 From: Marek Szyprowski Subject: [PATCH 8/8] ARM: S5PV210: example of CMA private area for FIMC device on Goni board In-reply-to: <1309851710-3828-1-git-send-email-m.szyprowski@samsung.com> Message-id: <1309851710-3828-9-git-send-email-m.szyprowski@samsung.com> References: <1309851710-3828-1-git-send-email-m.szyprowski@samsung.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-mm@kvack.org, linaro-mm-sig@lists.linaro.org Cc: Michal Nazarewicz , Marek Szyprowski , Kyungmin Park , Andrew Morton , KAMEZAWA Hiroyuki , Ankita Garg , Daniel Walker , Mel Gorman , Arnd Bergmann , Jesse Barker , Jonathan Corbet , Chunsang Jeong This patch is an example how device private CMA area can be activated. It creates one CMA region and assigns it to the first s5p-fimc device on Samsung Goni S5PC110 board. Signed-off-by: Marek Szyprowski Signed-off-by: Kyungmin Park --- arch/arm/mach-s5pv210/Kconfig | 1 + arch/arm/mach-s5pv210/mach-goni.c | 8 ++++++++ 2 files changed, 9 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index 37b5a97..c09a92c 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -64,6 +64,7 @@ menu "S5PC110 Machines" config MACH_AQUILA bool "Aquila" select CPU_S5PV210 + select CMA select S3C_DEV_FB select S5P_DEV_FIMC0 select S5P_DEV_FIMC1 diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index 31d5aa7..d9e565d 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -886,6 +887,12 @@ static void __init goni_machine_init(void) platform_add_devices(goni_devices, ARRAY_SIZE(goni_devices)); } +static void __init goni_reserve(void) +{ + /* Create private 16MiB contiguous memory area for s5p-fimc.0 device */ + dma_declare_contiguous(&s5p_device_fimc0.dev, 16*SZ_1M, 0); +} + MACHINE_START(GONI, "GONI") /* Maintainers: Kyungmin Park */ .boot_params = S5P_PA_SDRAM + 0x100, @@ -893,4 +900,5 @@ MACHINE_START(GONI, "GONI") .map_io = goni_map_io, .init_machine = goni_machine_init, .timer = &s5p_timer, + .reserve = goni_reserve, MACHINE_END -- 1.7.1.569.g6f426 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org