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author | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2020-08-07 14:29:11 +0200 |
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committer | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2020-09-02 16:29:23 +0200 |
commit | 95acc4fe0e31ae91d485635c021d259e06785b5d (patch) | |
tree | aa079a7cb0e09c4f2ba655925095fc27186c27a9 /target/linux/generic/pending-4.14/171-usb-dwc2-Fix-inefficient-copy-of-unaligned-buffers.patch | |
parent | 66ab1fb395f85e018cb1c6ae0d3a14aa46373f84 (diff) | |
download | upstream-95acc4fe0e31ae91d485635c021d259e06785b5d.tar.gz upstream-95acc4fe0e31ae91d485635c021d259e06785b5d.tar.bz2 upstream-95acc4fe0e31ae91d485635c021d259e06785b5d.zip |
kernel: remove support for kernel 4.14
No target uses kernel 4.14 anymore.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Diffstat (limited to 'target/linux/generic/pending-4.14/171-usb-dwc2-Fix-inefficient-copy-of-unaligned-buffers.patch')
-rw-r--r-- | target/linux/generic/pending-4.14/171-usb-dwc2-Fix-inefficient-copy-of-unaligned-buffers.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/target/linux/generic/pending-4.14/171-usb-dwc2-Fix-inefficient-copy-of-unaligned-buffers.patch b/target/linux/generic/pending-4.14/171-usb-dwc2-Fix-inefficient-copy-of-unaligned-buffers.patch deleted file mode 100644 index 7f21fefc25..0000000000 --- a/target/linux/generic/pending-4.14/171-usb-dwc2-Fix-inefficient-copy-of-unaligned-buffers.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 81da1738eee68f1961e03bdeb2d60cf0eb4dd713 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Antti=20Sepp=C3=A4l=C3=A4?= <a.seppala@gmail.com> -Date: Thu, 5 Jul 2018 12:06:18 +0300 -Subject: [PATCH 2/2] usb: dwc2: Fix inefficient copy of unaligned buffers -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Make sure only to copy any actual data rather than the whole buffer, -when releasing the temporary buffer used for unaligned non-isochronous -transfers. - -Taken directly from commit 0efd937e27d5e ("USB: ehci-tegra: fix inefficient -copy of unaligned buffers") - -Tested with Lantiq xRX200 (MIPS) and RPi Model B Rev 2 (ARM) - -Signed-off-by: Antti Seppälä <a.seppala@gmail.com> ---- - drivers/usb/dwc2/hcd.c | 12 +++++++++--- - 1 file changed, 9 insertions(+), 3 deletions(-) - ---- a/drivers/usb/dwc2/hcd.c -+++ b/drivers/usb/dwc2/hcd.c -@@ -2669,6 +2669,7 @@ static int dwc2_alloc_split_dma_aligned_ - static void dwc2_free_dma_aligned_buffer(struct urb *urb) - { - void *stored_xfer_buffer; -+ size_t length; - - if (!(urb->transfer_flags & URB_ALIGNED_TEMP_BUFFER)) - return; -@@ -2679,9 +2680,14 @@ static void dwc2_free_dma_aligned_buffer - dma_get_cache_alignment()), - sizeof(urb->transfer_buffer)); - -- if (usb_urb_dir_in(urb)) -- memcpy(stored_xfer_buffer, urb->transfer_buffer, -- urb->transfer_buffer_length); -+ if (usb_urb_dir_in(urb)) { -+ if (usb_pipeisoc(urb->pipe)) -+ length = urb->transfer_buffer_length; -+ else -+ length = urb->actual_length; -+ -+ memcpy(stored_xfer_buffer, urb->transfer_buffer, length); -+ } - kfree(urb->transfer_buffer); - urb->transfer_buffer = stored_xfer_buffer; - |