From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 2/7] ARM: Avoid the CONSISTENT_DMA_SIZE warning on noMMU builds
Date: Mon, 21 Jun 2010 10:13:36 +0100 [thread overview]
Message-ID: <20100621091336.22752.78477.stgit@e102109-lin.cambridge.arm.com> (raw)
In-Reply-To: <20100621090801.22752.21039.stgit@e102109-lin.cambridge.arm.com>
This macro is not defined when !CONFIG_MMU.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
arch/arm/mm/dma-mapping.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 13fa536..c4de90f 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -25,6 +25,7 @@
#include <asm/sizes.h>
/* Sanity check size */
+#ifdef CONFIG_MMU
#if (CONSISTENT_DMA_SIZE % SZ_2M)
#error "CONSISTENT_DMA_SIZE must be multiple of 2MiB"
#endif
@@ -32,6 +33,7 @@
#define CONSISTENT_OFFSET(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT)
#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT)
#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT)
+#endif
static u64 get_coherent_dma_mask(struct device *dev)
{
next prev parent reply other threads:[~2010-06-21 9:13 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-21 9:13 [PATCH v3 0/7] Patches/fixes for 2.6.35 Catalin Marinas
2010-06-21 9:13 ` [PATCH v3 1/7] ARM: Align machine_desc.phys_io to a 1MB section Catalin Marinas
2010-06-21 9:35 ` Russell King - ARM Linux
2010-06-21 10:05 ` Catalin Marinas
2010-06-21 10:26 ` Russell King - ARM Linux
2010-06-21 9:13 ` Catalin Marinas [this message]
2010-06-21 9:23 ` [PATCH v3 2/7] ARM: Avoid the CONSISTENT_DMA_SIZE warning on noMMU builds Russell King - ARM Linux
2010-06-21 9:53 ` Catalin Marinas
2010-06-21 9:13 ` [PATCH v3 3/7] ARM: The v6_dma_inv_range() function must preserve data on SMP Catalin Marinas
2010-06-21 9:13 ` [PATCH v3 4/7] ARM: Add a config option for the ARM11MPCore DMA cache maintenance workaround Catalin Marinas
2010-06-21 9:13 ` [PATCH v3 5/7] ARM: Add support for the MOVW/MOVT relocations in Thumb-2 Catalin Marinas
2010-06-21 9:13 ` [PATCH v3 6/7] ARM: Remove dummy loads from the original relocation address Catalin Marinas
2010-06-21 9:14 ` [PATCH v3 7/7] ARM: Do not compile the Thumb-2 module relocations on an ARM kernel Catalin Marinas
2010-06-21 9:26 ` Russell King - ARM Linux
2010-06-21 9:37 ` [PATCH v3 7/7] ARM: Do not compile the Thumb-2 modulerelocations " Catalin Marinas
2010-06-21 9:39 ` Russell King - ARM Linux
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