[PATCH 12/31] mn10300: handle page-less SG entries
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
- To: torvalds@xxxxxxxxxxxxxxxxxxxx, axboe@xxxxxxxxx
- Subject: [PATCH 12/31] mn10300: handle page-less SG entries
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Wed, 12 Aug 2015 09:05:31 +0200
- Cc: dan.j.williams@xxxxxxxxx, vgupta@xxxxxxxxxxxx, hskinnemoen@xxxxxxxxx, egtvedt@xxxxxxxxxxxx, realmz6@xxxxxxxxx, dhowells@xxxxxxxxxx, monstr@xxxxxxxxx, x86@xxxxxxxxxx, dwmw2@xxxxxxxxxxxxx, alex.williamson@xxxxxxxxxx, grundler@xxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-metag@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, linux-nvdimm@xxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx
- In-reply-to: <1439363150-8661-1-git-send-email-hch@lst.de>
- List-id: <linux-ia64.vger.kernel.org>
- References: <1439363150-8661-1-git-send-email-hch@lst.de>
Just remove a BUG_ON, the code handles them just fine as-is.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
arch/mn10300/include/asm/dma-mapping.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h
index a18abfc..b1b1050 100644
--- a/arch/mn10300/include/asm/dma-mapping.h
+++ b/arch/mn10300/include/asm/dma-mapping.h
@@ -57,11 +57,8 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
BUG_ON(!valid_dma_direction(direction));
WARN_ON(nents == 0 || sglist[0].length == 0);
- for_each_sg(sglist, sg, nents, i) {
- BUG_ON(!sg_page(sg));
-
+ for_each_sg(sglist, sg, nents, i)
sg->dma_address = sg_phys(sg);
- }
mn10300_dcache_flush_inv();
return nents;
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
[Index of Archives]
[Linux Kernel]
[Sparc Linux]
[DCCP]
[Linux ARM]
[Yosemite News]
[Linux SCSI]
[Linux x86_64]
[Linux for Ham Radio]