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author | Jason M. Bills <jason.m.bills@linux.intel.com> | 2021-03-26 01:45:09 +0300 |
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committer | Jason M. Bills <jason.m.bills@linux.intel.com> | 2021-03-27 01:41:36 +0300 |
commit | 12bef3e1bf292dec5ac15af9fb41e86f7bcfb0cb (patch) | |
tree | 608a905372f3f545d2686e29512ae3f5f5b4a78c /meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0004-Add-a-quick-fix-to-resolve-USB-gadget-DMA-issue.patch | |
parent | 0a1ece0568a37de9f17fd6e0bcdfd2cad2c6503f (diff) | |
download | openbmc-12bef3e1bf292dec5ac15af9fb41e86f7bcfb0cb.tar.xz |
Update to internal 0.43
Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com>
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0004-Add-a-quick-fix-to-resolve-USB-gadget-DMA-issue.patch')
-rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0004-Add-a-quick-fix-to-resolve-USB-gadget-DMA-issue.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0004-Add-a-quick-fix-to-resolve-USB-gadget-DMA-issue.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0004-Add-a-quick-fix-to-resolve-USB-gadget-DMA-issue.patch new file mode 100644 index 000000000..2d435c796 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0004-Add-a-quick-fix-to-resolve-USB-gadget-DMA-issue.patch @@ -0,0 +1,33 @@ +From cdd7104850d34cfe22902c45d69dac6cb506b087 Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +Date: Fri, 26 Feb 2021 11:00:54 -0800 +Subject: [PATCH] Add a quick fix to resolve USB gadget DMA issue. + +This is a quick fix to resolve USB gadget DMA issue and it should +be removed when a real fix is added. + +Tested: Keyboard and mouse in KVM feature worked. + +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + kernel/dma/mapping.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c +index 51bb8fa8eb89..7bcfedeb1e30 100644 +--- a/kernel/dma/mapping.c ++++ b/kernel/dma/mapping.c +@@ -146,8 +146,10 @@ dma_addr_t dma_map_page_attrs(struct device *dev, struct page *page, + + BUG_ON(!valid_dma_direction(dir)); + ++#if 0 /* Quick fix to resolve USB gadget issue */ + if (WARN_ON_ONCE(!dev->dma_mask)) + return DMA_MAPPING_ERROR; ++#endif + + if (dma_map_direct(dev, ops)) + addr = dma_direct_map_page(dev, page, offset, size, dir, attrs); +-- +2.17.1 + |