Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751489Ab3FHCSo (ORCPT ); Fri, 7 Jun 2013 22:18:44 -0400 Received: from nasmtp01.atmel.com ([192.199.1.246]:35606 "EHLO DVREDG02.corp.atmel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751052Ab3FHCSn (ORCPT ); Fri, 7 Jun 2013 22:18:43 -0400 From: Wenyou Yang To: CC: , , , , , Subject: [PATCH] Change the internal SRAM memory type MT_MEMORY_NONCACHED Date: Sat, 8 Jun 2013 10:17:43 +0800 Message-ID: <1370657863-8725-1-git-send-email-wenyou.yang@atmel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1369011911-21282-1-git-send-email-wenyou.yang@atmel.com> References: <1369011911-21282-1-git-send-email-wenyou.yang@atmel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1089 Lines: 31 Because MT_DEVICE is not executable in armv7, we change the internal SRAM memory type to MT_MEMORY_NONCACHED. As it seems that caching this internal SRAM memory is not necessary, we chose the this memory type. Signed-off-by: Wenyou Yang --- arch/arm/mach-at91/setup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index a33d4b5..98d55ef 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -84,7 +84,7 @@ void __init at91_init_sram(int bank, unsigned long base, unsigned int length) desc->pfn = __phys_to_pfn(base); desc->length = length; - desc->type = MT_DEVICE; + desc->type = MT_MEMORY_NONCACHED; pr_info("AT91: sram at 0x%lx of 0x%x mapped at 0x%lx\n", base, length, desc->virtual); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/