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From f52105d57c1ec04f8dac9b403232d8b1965a02ca Mon Sep 17 00:00:00 2001
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Date: Thu, 26 Jan 2017 16:37:50 +0300
Subject: [PATCH] lib: swiotlb: reduce verbosity
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
lib/swiotlb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 771234d..b395abc 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -513,8 +513,10 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
not_found:
spin_unlock_irqrestore(&io_tlb_lock, flags);
+#if 0
if (printk_ratelimit())
dev_warn(hwdev, "swiotlb buffer is full (sz: %zd bytes)\n", size);
+#endif
return SWIOTLB_MAP_ERROR;
found:
spin_unlock_irqrestore(&io_tlb_lock, flags);
@@ -714,8 +714,10 @@ swiotlb_full(struct device *dev, size_t size, enum dma_data_direction dir,
* When the mapping is small enough return a static buffer to limit
* the damage, or panic when the transfer is too big.
*/
+#if 0
dev_err_ratelimited(dev, "DMA: Out of SW-IOMMU space for %zu bytes\n",
size);
+#endif
if (size <= io_tlb_overflow || !do_panic)
return;
--
1.9.1
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