[merged] powerpc-implement-the-dma_attr_no_warn-attribute.patch removed from -mm tree

[akpm@linux-foundation.org]

The patch titled
     Subject: powerpc: implement the DMA_ATTR_NO_WARN attribute
has been removed from the -mm tree.  Its filename was
     powerpc-implement-the-dma_attr_no_warn-attribute.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>
Subject: powerpc: implement the DMA_ATTR_NO_WARN attribute

Add support for the DMA_ATTR_NO_WARN attribute on powerpc iommu code.

Link: http://lkml.kernel.org/r/1470092390-25451-3-git-send-email-mauricfo@linux.vnet.ibm.com
Signed-off-by: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/powerpc/kernel/iommu.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff -puN arch/powerpc/kernel/iommu.c~powerpc-implement-the-dma_attr_no_warn-attribute arch/powerpc/kernel/iommu.c
--- a/arch/powerpc/kernel/iommu.c~powerpc-implement-the-dma_attr_no_warn-attribute
+++ a/arch/powerpc/kernel/iommu.c
@@ -479,7 +479,8 @@ int ppc_iommu_map_sg(struct device *dev,
 
 		/* Handle failure */
 		if (unlikely(entry == DMA_ERROR_CODE)) {
-			if (printk_ratelimit())
+			if (!(attrs & DMA_ATTR_NO_WARN) &&
+			    printk_ratelimit())
 				dev_info(dev, "iommu_alloc failed, tbl %p "
 					 "vaddr %lx npages %lu\n", tbl, vaddr,
 					 npages);
@@ -776,7 +777,8 @@ dma_addr_t iommu_map_page(struct device
 					 mask >> tbl->it_page_shift, align,
 					 attrs);
 		if (dma_handle == DMA_ERROR_CODE) {
-			if (printk_ratelimit())  {
+			if (!(attrs & DMA_ATTR_NO_WARN) &&
+			    printk_ratelimit())  {
 				dev_info(dev, "iommu_alloc failed, tbl %p "
 					 "vaddr %p npages %d\n", tbl, vaddr,
 					 npages);
_

Patches currently in -mm which might be from mauricfo@linux.vnet.ibm.com are