From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Tue, 18 Jun 2013 15:38:31 +0000 (+0200)
Subject: s390/dma: support debug_dma_mapping_error
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4026099a3118a1e038c48f3f85203a674938025b;p=openwrt%2Fstaging%2Fblogic.git

s390/dma: support debug_dma_mapping_error

Without this patch drivers will get blamed (CONFIG_DMA_API_DEBUG=y)
for not calling dma_mapping_error (even if they do).

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h
index 9f15a36f6fd9..2f8c1abeb086 100644
--- a/arch/s390/include/asm/dma-mapping.h
+++ b/arch/s390/include/asm/dma-mapping.h
@@ -50,6 +50,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
 	struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
+	debug_dma_mapping_error(dev, dma_addr);
 	if (dma_ops->mapping_error)
 		return dma_ops->mapping_error(dev, dma_addr);
 	return (dma_addr == DMA_ERROR_CODE);