diff options
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0014-lib-swiotlb-reduce-verbosity.patch')
| -rw-r--r-- | meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0014-lib-swiotlb-reduce-verbosity.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0014-lib-swiotlb-reduce-verbosity.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0014-lib-swiotlb-reduce-verbosity.patch new file mode 100644 index 0000000..6cb5f65 --- /dev/null +++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0014-lib-swiotlb-reduce-verbosity.patch @@ -0,0 +1,40 @@ +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 + |